Publications

2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996

2012

F. Roth, J. Bauer, B. Mahns, B. Buechner, M. Knupfer
Electronic structure of undoped and potassium-doped coronene investigated by electron energy-loss spectroscopy, Physical Review B 85 (2012) Nr. 1, S. 14513/1-6 URL

J. Trinckauf, T. Haenke, V. Zabolotnyy, T. Ritschel, M.O. Apostu, R. Suryanarayanan, A. Revcolevschi, K. Koepernik, T.K. Kim, M. von Zimmermann, S.V. Borisenko, M. Knupfer, B. Buechner, J. Geck
Electronic confinement and ordering instabilities in colossal magnetoresistive bilayer manganites, Physical Review Letters 108 (2012) Nr. 1, S. 16403/1-5 URL

R. Friedrich, T. Hahn, J. Kortus, M. Fronk, F. Haidu, G. Salvan, D.R.T. Zahn, M. Schlesinger, M. Mehring, F. Roth, B. Mahns, M. Knupfer
Electronic states and the influence of oxygen addition on the optical absorption behaviour of manganese phthalocyanine, The Journal of Chemical Physics 136 (2012) Nr. 6, S. 64704/1-8 URL

C. Kramberger, F. Roth, R. Schuster, R. Kraus, M. Knupfer, E. Einarsson, S. Maruyama, D.J. Mowbray, A. Rubio, T. Pichler
Channeling of charge carrier plasmons in carbon nanotubes, Physical Review B 85 (2012) Nr. 8, S. 85424/1-4 URL

F. Petraki, H. Peisert, P. Hoffmann, J. Uihlein, M. Knupfer, T. Chasse
Modification of the 3d-electronic configuration of manganese phthalocyanine at the interface to gold, The Journal of Physical Chemistry C 116 (2012), S. 5121-5127 URL

R. Schoenfelder, F. Aviles, A. Bachmatiuk, J.V. Cauich-Rodriguez, M. Knupfer, B. Buechner, M.H. Ruemmeli
On the merits of Raman spectroscopy and thermogravimetric analysis to asses carbon nanotube structural modifications, Applied Physics A 106 (2012) Nr. 4, S. 843-852

P. Lukaszczuk, M.H. Ruemmeli, M. Knupfer, R.J. Kalenczuk, E. Borowiak-Palen
Surfactant free fractions of metallic and semiconducting single-walled carbon nanotubes via optimised gel chromatography, Materials Research Bulletin 47 (2012) Nr. 3, S. 687-691 URL

S. Scheinert, M. Grobosch, G. Paasch, I. Hoerselmann, M. Knupfer, J. Bartsch
Contact characterization by photoemission and device performance in P3HT based organic transistors, Journal of Applied Physics 111 (2012) Nr. 6, S. 64502/1-10 URL

B. Mahns, F. Roth, M. Grobosch, S. Lindner, M. Knupfer, T.P.I. Saragi, T. Reichert, J. Salbeck, T. Hahn
Electronic properties of spiro compounds for organic electronics, The Journal of Chemical Physics 136 (2012) Nr. 12, S. 124702/1-7 URL

B. Mahns, F. Roth, M. Knupfer
Absence of photoemission from the Fermi level in potassium intercalated picene and coronene films: Structure, polaron, or correlation physics?, The Journal of Chemical Physics 136 (2012) Nr. 13, S. 134503/1-6 URL

2011

V.Y. Aristov, O.V. Molodtsova, M. Knupfer
Potassium doped Co phthalocyanine films: Charge transfer to the metal center and the ligand ring, Organic Electronics 12 (2011) Nr. 2, S. 372-375 URL

A. Scott, A. Dianat, F. Boerrnert, A. Bachmatiuk, S. Zhang, J.H. Warner, E. Borowiak-Palen, M. Knupfer, B. Buechner, G. Cuniberti, M.H. Ruemmeli
The catalytic potential of high-K dielectrics for graphene formation, Applied Physics Letters 98 (2011) Nr. 7, S. 73110/1-3 URL

M. Toader, K. Knupfer, D.R.T. Zahn, M. Hietschold
Initial growth of Lutetium(III) Bis-phthalocyanine on Ag(111) surface, Journal of the American Chemical Society 133 (2011) Nr. 14, S. 5538-5544 URL

M. Grobosch, B. Mahns, C. Loose, R. Friedrich, C. Schmidt, J. Kortus, M. Knupfer
Identification of the electronic states of manganese phthalocyanine close to the Fermi level, Chemical Physics Letters 505 (2011) Nr. 4-6, S. 122-125 URL

F. Roth, B. Mahns, B. Buechner, M. Knupfer
Dynamic response and electronic structure of potassium-doped picene investigated by electron energy-loss spectroscopy, Physical Review B 83 (2011) Nr. 14, S. 144501/1-5 URL

M. Grobosch, M. Knupfer
Electronic properties of organic semiconductor/electrode interfaces: The influence of contact contaminations on the interface energetic, The Open Applied Physics Journal 4 (2011), S. 8-18 URL

M. Philipp, M. Knupfer, B. Buechner, H. Gerardin
Plasmonic excitations in ZnO/Ag/ZnO multilayer systems: Insight into interface and bulk electronic properties, Journal of Applied Physics 109 (2011) Nr. 6, S. 63710/1-6 URL

D. Haberer, L. Petaccia, M. Farjam, S. Taioli, S.A. Jafari, A. Nefedov, W. Zhang, L. Calliari, G. Scarduelli, B. Dora, D.V. Vyalikh, T. Pichler, C. Woell, D. Alfe, S. Simonucci, M.S. Dresselhaus, M. Knupfer, B. Buechner, A. Grueneis
Direct observation of a dispersionless impurity band in hydrogenated graphene, Physical Review B 83 (2011) Nr. 16, S. 165433/1-6 URL

F. Roth, B. Mahns, B. Buechner, M. Knupfer
Exciton character in picene molecular solids, Physical Review B 83 (2011) Nr. 16, S. 165436/1-4 URL

R. Kraus, M. Schrade, R. Schuster, M. Knupfer, A. Revcolevschi, B. Buechner, J. Geck
Signatures of electronic polarons in La1-xSr1+xMnO4 observed by electron energy-loss spectroscopy, Physical Review B 83 (2011) Nr. 16, S. 165130/1-6 URL

F. Zhu, M. Grobosch, U. Treske, M. Knupfer, L. Huang, S. Ji, D. Yan
Interfacial energy level bending in a crystalline p/p-type organic heterostructure, Applied Physics Letters 98 (2011) Nr. 20, S. 203303/1-3 URL

B. Mahns, F. Roth, M. Grobosch, D.R.T. Zahn, M. Knupfer
Electronic excitations of potassium intercalated manganese phthalocyanine investigated by electron energy-loss spectroscopy, The Journal of Chemical Physics 134 (2011) Nr. 19, S. 194504/1-5 URL

M. Toader, M. Knupfer, D.R.T. Zahn, M. Hietschold
Initial growth at the F16CoPc/Ag(111) interface, Surface Science 605 (2011) Nr. 15-16, S. 1507-1512 URL

F. Zhu, M. Grobosch, U. Treske, L. Huang, W. Chen, J. Yang, D. Yan, M. Knupfer
Hole transparent and hole blocking transport in single-crystal-like organic heterojunction: When rods hold up disks, Applied Materials and Interfaces 3 (2011) Nr. 7, S. 2195-2199 URL

D. Haberer, C.E. Giusca, Y. Wang, H. Sachdev, A.V. Fedorov, M. Farjam, S.K. Jafari, D.V. Vyalikh, D. Usachov, X. Liu, U. Treske, M. Grobosch, O. Vilkov, V.K. Adamchuk, S. Irle, S.R.P. Silva, M. Knupfer, B. Buechner, A. Grueneis
Evidence for a new two-dimensional C4H-type polymer based on hydrogenated graphene, Advanced Materials 23 (2011) Nr. 39, S. 4497-4503 URL

J. Hanzig, B. Abendroth, F. Hanzig, H. Stoecker, R. Strohmeyer, D.C. Meyer, S. Lindner, M. Grobosch, M. Knupfer, C. Himcinschi, U. Muehle, F. Munnik
Single crystal strontium titanate surface and bulk modifications due to vacuum annealing, Journal of Applied Physics 110 (2011) Nr. 6, S. 64107/1-9 URL

J. van Wezel, R. Schuster, A. Koenig, M. Knupfer, J. van den Brink, H. Berger, B. Buechner
Effect of charge order on the plasmon dispersion in transition-metal dichalcogenides, Physical Review Letters 107 (2011) Nr. 17, S. 176404/1-5 URL

P. Cudazzo, M. Gatti, F. Roth, B. Mahns, M. Knupfer, A. Rubio
Plasmon dispersion in molecular solids: Picene and potassium-doped picene, Physical Review B 84 (2011) Nr. 15, S. 155118/1-6 URL

S. Lindner, U. Treske, M. Grobosch, M. Knupfer
Charge transfer at F16CoPc and CoPc interfaces to Au, Applied Physics A 105 (2011), S. 921-925 URL

A. Koitzsch, J. Ocker, M. Knupfer, M.C. Dekker, K. Doerr, B. Buechner, P. Hoffmann
In-gap electronic structure of LaAlO3-SrTiO3 heterointerfaces investigated by soft x-ray spectroscopy, Physical Review B 84 (2011) Nr. 24, S. 245121/1-8 URL

V. Senkovskyy, R. Tkachov, H. Komber, M. Sommer, M. Heuken, B. Voit, W.T.S. Huck, V. Kataev, A. Petr, A. Kiriy
Chain-growth polymerization of unusual anion-radical monomers based on naphthalene diimide: A new route to well-defined n-type conjugated copolymers, Journal of the American Chemical Society 133 (2011), S. 19966-19970 URL

2010

S.-L. Drechsler, J. Malek, R.O. Kuzian, S. Nishimoto, U. Nitzsche, W.E.A. Lorenz, R. Klingeler, B. Buechner, M. Knupfer
Intersite coulomb interactions in edge-shared CuO2 chains: Optics and EELS, Physica C 470 (2010) Nr. Supplement 1, S. S84-S85 URL

G. Fuchs, S.-L. Drechsler, N. Kozlova, M. Bartkowiak, G. Behr, K. Nenkov, H.-H. Klauss, J. Freudenberger, M. Knupfer, F. Hammerath, G. Lang, H.-J. Grafe, B. Buechner, L. Schultz
Evidence for Pauli-limiting behaviour at high fields and enhanced upper critical fields near T_c in several disordered FeAs based superconductors, Physica C 470 (2010) Nr. Supplement 1, S. S288-S290 URL

S.-L. Drechsler, F. Roth, M. Grobosch, R. Schuster, K. Koepernik, H. Rosner, G. Behr, M. Rotter, D. Johrendt, B. Buechner, M. Knupfer
Insight into the physics of Fe-pnictides from optical and T = 0 penetration depth data, Physica C 470 (2010) Nr. Supplement 1, S. S332-S333 URL

M. Grobosch, C. Schmidt, W.J.M. Naber, W.G. van der Wiel, M. Knupfer
A photoemission study of interfaces between organic semiconductors and Co as well as Al2O3/Co contacts, Synthetic Metals 160 (2010), S. 238-243 URL

M.H. Ruemmeli, F. Schaeffel, A. Bachmatiuk, D. Adebimpe, G. Trotter, F. Boerrnert, A. Scott, E. Coric, M. Sparing, B. Rellinghaus, P.G. McCormick, G. Cuniberti, M. Knupfer, L. Schultz, B. Buechner
Investigating the outskirts of Fe and Co catalyst particles in alumina-supported catalytic CVD carbon nanotube growth, ACS nano 4 (2010) Nr. 2, S. 1146-1152 URL

S.-L. Drechsler, J. Malek, W.E.A. Lorenz, R.O. Kuzian, R. Klingeler, S. Nishimoto, U. Nitzsche, M. Knupfer, N. Wizent, G. Behr, H. Rosner, H. Eschrig, B. Buechner
Progress in the theoretical description of a strongly frustrated edge-shared model chain cuprate: Li2CuO2, Journal of Physics: Conference Series 200 (2010), S. 12028/1-4 URL

F. Boerrnert, C. Boerrnert, S. Gorantla, X. Liu, A. Bachmatiuk, J.-O. Joswig, F.R. Wagner, F. Schaeffel, J.H. Warner, R. Schoenfelder, B. Rellinghaus, T. Gemming, J. Thomas, M. Knupfer, B. Buechner, M.H. Ruemmeli
Single-wall-carbon-nanotube/single-carbon-chain molecular junctions, Physical Review B 81 (2010) Nr. 8, S. 85439/1-5 URL

V.Y. Aristov, G. Urbanik, K. Kummer, D.V. Vyalikh, O.V. Molodtsova, A.B. Preobrajenski, A.A. Zakharov, C. Hess, T. Haenke, B. Buechner, I. Vobornik, J. Fujii, G. Panaccione, Y.A. Ossipyan, M. Knupfer
Graphene synthesis on cubic SiC/Si Wafers. Perspectives for mass production of graphene-based electronic devices, Nano Letters 10 (2010), S. 992-995 URL

V.Y. Aristov, O.V. Molodtsova, D.V. Vyalikh, M. Knupfer, P. De Padova, G. Le Laye
Core-level photoelectron study of indium chains on Si(1 1 1) at 10K, Journal of Electron Spectroscopy and Related Phenomena 177 (2010) Nr. 1, S. 1-4 URL

F. Roth, A. Koenig, R. Kraus, M. Grobosch, T. Kroll, M. Knupfer
Probing the molecular orbitals of FePc near the chemical potential using electron energy-loss spectroscopy, European Physical Journal B 74 (2010) Nr. 3, S. 339-344 URL

P. Ayala, J. Reppert, M. Grobosch, M. Knupfer, T. Pichler, A.M. Rao
Evidence for substitutional boron in doped single-walled carbon nanotubes, Applied Physics Letters 96 (2010) Nr. 18, S. 183110/1-3 URL

C. Kramberger, E. Einarsson, S. Huotari, T. Thurakitseree, S. Maruyama, M. Knupfer, T. Pichler
Interband and plasma excitations in single-walled carbon nanotubes and graphite in inelastic x-ray and electron scattering, Physical Review B 81 (2010) Nr. 20, S. 205410/1-5 URL

A. Koitzsch, R. Kraus, T. Kroll, M. Knupfer, B. Buechner, H. Eschrig, D.R. Batchelor, G.L. Sun, D.L. Sun, C.T. Lin
Observation of two-hole satellite in the resonant x-ray photoemission spectra of Ba1-xKxFe2As2 single crystals, Physical Review B 81 (2010) Nr. 17, S. 174519/1-6 URL

A. Koitzsch, D.S. Inosov, H. Shiozawa, V.B. Zabolotnyy, S.V. Borisenko, A. Varykhalov, C. Hess, M. Knupfer, U. Ammerahl, A. Revcolevschi, B. Buechner
Observation of the Fermi surface, the band structure, and their diffraction replicas of Sr14-xCaxCu24O41 by angle-resolved photoemission spectroscopy, Physical Review B 81 (2010) Nr. 11, S. 113110/1-4 URL

R. Kraus, B. Buechner, M. Knupfer, S. Glawion, M. Sing, R. Claessen
Anisotropic crystal field, Mott gap, and interband excitations in TiOCl: An electron energy-loss study, Physical Review B 81 (2010) Nr. 12, S. 125133/1-4 URL

M. Grobosch, C. Schmidt, R. Kraus, M. Knupfer
Electronic properties of transition metal phthalocyanines: The impact of the central metal atom (d5d10), Organic Electronics 11 (2010) Nr. 9, S. 1483-1488 URL

V.Y. Aristov, O.V. Molodtsova, V.V. Maslyuk, V.V. Vyalikh, T. Bredow, I. Mertig, A.B. Preobrajenski, M. Knupfer
Electronic properties of potassium-doped FePc, Organic Electronics 11 (2010) Nr. 8, S. 1461-1468 URL

D. Haberer, D.V. Vyalikh, S. Taioli, B. Dora, M. Farjam, J. Fink, D. Marchenko, T. Pichler, K. Ziegler, S. Simonucci, M.S. Dresselhaus, M. Knupfer, B. Buechner, A. Grueneis
Tunable band gap in hydrogenated quasi-free-standing graphene, Nano Letters 10 (2010) Nr. 9, S. 3360-3366 URL

V.Y. Aristov, O.V. Molodtsova, C. Laubschat, V.M. Zhilin, I.M. Aristova, V.V. Kveder, M. Knupfer
Properties of hybrid organic-inorganic systems: Au nanoparticles embedded into an organic CuPc matrix, Applied Physics Letters 97 (2010) Nr. 11, S. 113103/1-3 URL

F. Roth, M. Gatti, P. Cudazzo, M. Grobosch, B. Mahns, B. Buechner, A. Rubio, M. Knupfer
Electronic properties of molecular solids: the peculiar case of solid picene, New Journal of Physics 12 (2010) Nr. 10, S. 103036/1-8 URL

F. Roth, C. Hess, B. Buechner, U. Ammerahl, A. Revcolevschi, M. Knupfer
Plasmons and interband transitions of Ca11Sr3Cu24O41 investigated by electron energy-loss spectroscopy, Physical Review B 82 (2010) Nr. 24, S. 245110/1-7 URL

2009

M. Knupfer
Characterization of the electronic excitations in Alq3 using electron energy-loss spectroscopy, Applied Physics A 94 (2009) Nr. 1, S. 31-34

K. Flatz, M. Grobosch, M. Knupfer
The electronic excitation spectrum of CuPcF16 films, Applied Physics A 94 (2009) Nr. 1, S. 179-183

V.Y. Aristov, O.V. Molodtsova, Y.A. Ossipyan, B.P. Doyle, S. Nannarone, M. Knupfer
Ferromagnetic cobalt and iron top contacts on an organic semiconductor: Evidence for a reacted interface, Organic Electronics 10 (2009) Nr. 1, S. 8-11 URL

V.B. Zabolotnyy, D.S. Inosov, D.V. Evtushinsky, A. Koitzsch, A.A. Kordyuk, G.L. Sun, J.T. Park, D. Haug, V. Hinkov, A.V. Boris, C.T. Lin, M. Knupfer, A.N. Yaresko, B. Buechner, A. Varykhalov, R. Follath, S.V. Borisenko
(pi, pi) electronic order in iron arsenide superconductors, Nature 457 (2009), S. 569-572 URL

R. Schuster, R. Kraus, M. Knupfer, H. Berger, B. Buechner
Negative plasmon dispersion in the transition-metal dichalcogenide 2H-TaSe2, Physical Review B 79 (2009) Nr. 4, S. 45134/1-5 URL

V.V. Maslyuk, V.Y. Aristov, O.V. Molodtsova, D.V. Vyalikh, V.M. Zhilin, Y.A. Ossipyan, T. Bredow, I. Mertig, M. Knupfer
The electronic structure of cobalt phthalocyanine, Applied Physics A 94 (2009), S. 485-489

R. Kraus, M. Grobosch, M. Knupfer
Full electronic excitation spectrum of condensed manganese phthalocyanine, Chemical Physics Letters 469 (2009), S. 121-124 URL

A. Koitzsch, I. Opahle, S. Elgazzar, S.V. Borisenko, J. Geck, V.B. Zabolotnyy, D. Inosov, H. Shiozawa, M. Richter, M. Knupfer, J. Fink, B. Buechner, E.D. Bauer, J.L. Sarrao, R. Follath
Electronic structure of CeCoIn5 from angle-resolved photoemission spectroscopy, Physical Review B 79 (2009) Nr. 7, S. 75104/1-7 URL

D. V. Evtushinsky, D.S. Inosov, V.B. Zabolotnyy, A. Koitzsch, M. Knupfer, B. Buechner, M.S. Viazovska, G.L. Sun, V. Hinkov, A.V. Boris, C.T. Lin, B. Keimer, A. Varykhalov, A.A. Kordyuk, S.V. Borisenko
Momentum dependence of the superconducting gap in Ba1-xKxFe2As2, Physical Review B 79 (2009) Nr. 5, S. 54517/1-13 URL

M.H. Ruemmeli, D.B. Adebimpe, E. Borowiak-Palen, T. Gemming, P. Ayala, N. Ioannides, T. Pichler, A. Huczko, S. Cudzilo, M. Knupfer, B. Buechner
Hydrogen activated axial inter-conversion in SiC nanowires, Journal of Solid State Chemistry 182 (2009) Nr. 3, S. 602-607 URL

T. Kroll, F. Roth, A. Koitzsch, R. Kraus, D.R. Batchelor, J. Werner, G. Behr, B. Buechner, M. Knupfer
Absorption and photoemission spectroscopy of rare-earth oxypnictides, New Journal of Physics 11 (2009) Nr. 2, S. 25019/1-11 URL

M. Grobosch, K. Doerr, R.B. Gangineni, M. Knupfer
Energy level alignment at interfaces between organic semiconductors and clean ferromagnetic La0.7Sr0.3MnO3 thin film contacts for spin injection, Applied Physics A 95 (2009), S. 95-99

A. Koitzsch, D. S. Inosov, D. V. Evtushinsky, V. B. Zabolotnyy, A. A. Kordyuk, A. Kondrat, C. Hess, M. Knupfer, B. Buechner, G. L. Sun, V. Hinkov, C. T. Lin, A. Varykhalov, S. V. Borisenko
Temperature and doping-dependent renormalization effects of the low energy electronic structure of Ba1-xKxFe2As2 single crystals, Physical Review Letters 102 (2009) Nr. 16, S. 167001/1-4 URL

M. Grobosch, K. Doerr, R.B. Gangineni, M. Knupfer
Energy level alignment and interactions at potential contacts for spin injection into organic semiconductors, Advanced Engineering Materials 11 (2009) Nr. 4, S. 285-290

V.B. Zabolotnyy, D.V. Evtushinsky, A.A. Kordyuk, D.S. Inosov, A. Koitzsch, A.V. Boris, G.L. Sun, C.T. Lin, M. Knupfer, B. Buechner, A. Varykhalov, R. Follath, S.V. Borisenko
Fermi surface of Ba1-xKxFe2As2 as probed by angle-resolved photoemission, Physica C 469 (2009), S. 448-451 URL

H. Peisert, I. Biswas, L. Zhang, B.-E. Schuster, M.B. Casu, A. Haug, D. Batchelor, M. Knupfer, T. Chasse
Unusual energy shifts in resonant photoemission spectra of organic model molecules, The Journal of Chemical Physics 130 (2009) Nr. 19, S. 194705/1-7 URL

C. Kramberger, H. Rauf, M. Knupfer, H. Shiozawa, D. Batchelor, A. Rubio, H. Kataura, T. Pichler
Potassium-intercalated single-wall carbon nanotube bundles: Archetypes for semiconductor/metal hybrid systems, Physical Review B 79 (2009) Nr. 19, S. 195442/1-5 URL

A. Koenig, F. Roth, R. Kraus, M. Knupfer
Electronic properties of potassium doped FePc from electron energy-loss spectroscopy, The Journal of Chemical Physics 130 (2009) Nr. 21, S. 214503/1-5 URL

D.V. Evtushinsky, D.S. Inosov, V.B. Zabolotnyy, M.S. Viazovska, R. Khasanov, A. Amato, H.H. Klauss, H. Luetkens, C. Niedermayer, G.L. Sun, V. Hinkov, C.T. Lin, A. Varykhalov, A. Koitzsch, M. Knupfer, B. Buechner, A.A. Kordyuk, S.V. Borisenko
Momentum-resolved superconducting gap in the bulk of Ba1.xKxFe2As2 from combined ARPES and my-SR measurements, New Journal of Physics 11 (2009) Nr. 5, S. 550069/1-13 URL

R. Schuster, S. Pyon, M. Knupfer, J. Fink, M. Azuma, M. Takano, H. Takagi, B. Buechner
Charge-transfer excitons in underdoped Ca2-xNaxCuO2Cl2 studied by electron energy-loss spectroscopy, Physical Review B 79 (2009) Nr. 21, S. 214517/1-4 URL

G. Fuchs, S.-L. Drechsler, N. Kozlova, M. Bartkowiak, J.E. Hamann-Borrero, G. Behr, K. Nenkov, H.-H. Klauss, H. Maeter, A. Amato, H. Luetkens, A. Kwadrin, R. Khasanov, J. Freudenberger, A. Koehler, M. Knupfer, E. Arushanov, H. Rosner, B. Buechner, L. Schultz
Orbital and spin effects for the upper critical field in As-deficient disordered Fe pnictide superconductors, New Journal of Physics 11 (2009) Nr. 7, S. 75007/1-26 URL

B. Braeuer, M. Grobosch, M. Knupfer, F. Weigend, Y. Vaynzof, A. Kahn, T. Rueffer, G. Salvan
How photoelectron spectroscopy and quantum chemical studies can help understanding the magnetic properties of molecules: An example from the class of Cu(II)-Bis(oxamato) complexes, Journal of Physical Chemistry B 113 (2009), S. 10051-10054 URL

M. Grobosch, V.Y. Aristov, O.V. Molodtsova, C. Schmidt, B.P. Doyle, S. Nannarone, M. Knupfer
Engineering of the energy level alignment at organic semiconductor interfaces by intramolecular degrees of freedom: Transition metal phthalocyanines, Journal of Physical Chemistry C 113 (2009), S. 13219-13222 URL

H. Peisert, I. Biswas, M. Knupfer, T. Chasse
Orientation and electronic properties of phthalocyanines on polycrystalline substrates, Physica Status Solidi B 246 (2009) Nr. 7, S. 1529-1545 URL

T. Kroll, V.Y. Aristov, O.V. Molodtsova, Y.A. Ossipyan, D.V. Vyalikh, B. Buechner, M. Knupfer
Spin and orbital ground state of Co in cobalt phthalocyanine, Journal of Physical Chemistry A 113 (2009), S. 8917-8922 URL

M.H. Ruemmeli, F. Schaeffel, A. Bachmatiuk, G. Trotter, D. Adebimpe, G. Simha-Martynkova, D. Placha, B. Rellinghaus, P.G. McCormick, E. Borowiak-Palen, P. Ayala, T. Pichler, R. Klingeler, M. Knupfer, B. Buechner
Oxide catalysts for carbon nanotube and few layer graphene formation, Physica Status Solidi B 246 (2009) Nr. 11-12, S. 2530-2533 URL

A. Bachmatiuk, M. Bystrzejewski, F. Schaeffel, P. Ayala, U. Wolff, C. Mickel, T. Gemming, T. Pichler, E. Borowiak-Palen, R. Klingeler, H.-W. Huebers, M. Ulbrich, M. Knupfer, D. Haberer, B. Buechner, M.H. Ruemmeli
Carbon nanotube synthesis via ceramic catalysts, Physica Status Solidi B 246 (2009) Nr. 11-12, S. 2486-2489 URL

V.Y. Aristov, O.V. Molodtsova, Y.A. Ossipyan, B.P. Doyle, S. Nannarone, M. Knupfer
Chemistry and electronic properties of ferromagnetic metal-organic semiconductor interfaces: Fe on CuPc, Physica Status Solidi A 206 (2009) Nr. 12, S. 2763-2770 URL

A. Bachmatiuk, F. Boerrnert, M. Grobosch, F. Schaeffel, U. Wolff, A. Scott, M. Zaka, J.H. Warner, R. Klingeler, M. Knupfer, B. Buechner, M.H. Ruemmeli
Investigating the graphitization mechanism of SiO2 nanoparticles in chemical vapor deposition, ACS nano 3 (2009) Nr. 12, S. 4098-4104 URL

2008

K. Flatz, M. Grobosch, M. Knupfer
The dielectric function of potassium-doped zinc-phthalocyanine, Applied Physics A 90 (2008) Nr. 2, S. 243-246

K. Iketaki, K. Kanai, W. Fujita, K. Awaga, J. Tsutsumi, H. Yoshida, N. Sato, M. Knupfer, Y. Ouchi, K. Seki
Electronic structure of 1,3,5-trithia-2,4,6-triazapentalenyl on gold, Chemical Physics Letters 451 (2008) Nr. 1-3, S. 58-62 URL

M. Grobosch, K. Doerr, R.B. Gangineni, M. Knupfer
Energy level alignment and injection barriers at spin injection contacts between La0.7Sr0.3MnO3 and organic semiconductors, Applied Physics Letters 92 (2008) Nr. 2, S. 23302/1-3 URL

V.Y. Aristov, O.V. Molodtsova, V.V. Maslyuk, D.V. Vyalikh, V.M. Zhilin, Y.A. Ossipyan, T. Bredow, I. Mertig, M. Knupfer
Electronic structure of the organic semiconductor copper phthalocyanine: Experiment and theory, The Journal of Chemical Physics 128 (2008) Nr. 3, S. 34703/1-6 URL

A. Grueneis, C. Attaccalite, T. Pichler, V. Zabolotnyy, H. Shiozawa, S.L. Molodtsov, D. Inosov, A. Koitzsch, M. Knupfer, J. Schiessling, R. Follath, R. Weber, P. Rudolf, L. Wirtz, A. Rubio
Electron-electron correlation in graphite: A combined angle-resolved photoemission and first-principles study, Physical Review Letters 100 (2008) Nr. 3, S. 37601/1-4 URL

O.V. Molodtsova, M. Knupfer, V.Y. Aristov, D.V. Vyalikh, V.M. Zhilin, Y.A. Ossipyan
The unoccupied electronic structure of potassium doped copper phthalocyanine studied by near edge absorption fine structure, Journal of Applied Physics 103 (2008) Nr. 5, S. 53711/1-5 URL

H. Shiozawa, T. Pichler, C. Kramberger, A. Grueneis, M. Knupfer, B. Buechner, V. Zolyomi, J. Koltai, J. Kuerti, D. Batchelor, H. Kataura
Fine tuning the charge transfer in carbon nanotubes via the interconversion of encapsulated molecules, Physical Review B 77 (2008) Nr. 15, S. 153402/1-4 URL

M. Grobosch, M. Knupfer, K. Doerr, R.B. Gangineni
Alignment of the energy levels and charge injection barriers at interfaces for spin injection: La0.7Sr0.3MnO3 in contact with organic semiconductors, Physica Status Solidi B 245 (2008) Nr. 5, S. 799-803 URL

A. Koitzsch, S.V. Borisenko, D. Inosov, J. Geck, V.B. Zabolotnyy, H. Shiozawa, M. Knupfer, J. Fink, B. Buechner, E.D. Bauer, J.L. Sarrao, R. Follath
Hybridization effects in CeCoIn5 observed by angle-resolved photoemission, Physical Review B 77 (2008) Nr. 15, S. 155128/1-7 URL

C. Kramberger, R. Hambach, C. Giorgetti, M.H. Ruemmeli, M. Knupfer, J. Fink, B. Buechner, L. Reining, E. Einarsson, S. Maruyama, F. Sottile, K. Hannewald, V. Olevano, A.G. Marinopoulos, T. Pichler
Linear plasmon dispersion in single-wall carbon nanotubes and the collective excitation spectrum of graphene, Physical Review Letters 100 (2008) Nr. 19, S. 196803/1-4 URL

F. Roth, A. Koenig, R. Kraus, M. Knupfer
Potassium induced phase transition of FePc thin films, The Journal of Chemical Physics 128 (2008) Nr. 19, S. 194711/1-4 URL

I. Hellmann, C. Taeschner, R. Klingeler, A. Leonhardt, B. Buechner, M. Knupfer
Structure and electronic properties of Li-doped vanadium oxide nanotubes, The Journal of Chemical Physics 128 (2008) Nr. 22, S. 224701/1-5 URL

D.S. Inosov, R. Schuster, A.A. Kordyuk, J. Fink, S.V. Borisenko, V.B. Zabolotnyy, D.V. Evtushinsky, M. Knupfer, B. Buechner, R. Follath, H. Berger
Excitation energy map of high-energy dispersion anomalies in cuprates, Physical Review B 77 (2008) Nr. 21, S. 212504/1-3 URL

J. Luzon, M. Castro, E.J.M. Vertelman, R.Y.N. Gengler, P.J. van Koningsbruggen, O. Molodtsova, M. Knupfer, P. Rudolf, P.H.M. van Loosdrecht, R. Broer
Prediction of the equilibrium structures and photomagnetic properties of the prussian blue analogue RbMn[Fe(CN)6] by density functional theory, Journal of Physical Chemistry A 112 (2008), S. 5742-5748 URL

M. Grobosch, M. Knupfer
Electronic properties of the interface between the organic semiconductor alpha-sexithiophene and polycrystalline palladium, Organic Electronics 9 (2008) Nr. 5, S. 767-774 URL

T.T.A. Lummen, R.Y.N. Gengler, P. Rudolf, F. Lusitani, E.J.M. Vertelman, P.J. van Koningsbruggen, M. Knupfer, O. Molodtsova, J.-J. Pireaux, P.H.M. van Loosdrecht
Bulk and surface switching in Mn-Fe-based prussian blue analogues, Journal of Physical Chemistry C 112 (2008) Nr. 36, S. 14158-14167 URL

C. Kramberger, M. Ruemmeli, M. Knupfer, J. Fink, B. Buechner, E. Einarsson, S. Maruyama, T. Pichler
Loss-spectroscopy on sparse arrays of aligned single-wall carbon nanotubes, Physica Status Solidi B 245 (2008) Nr. 10, S. 2284-2287 URL

T. Pichler, C. Kramberger, P. Ayala, H. Shiozawa, M. Knupfer, M.H. Ruemmeli, D. Batcherlor, R. Kitaura, N. Imazu, K. Kobayashi, H. Shinohara
Bonding environment and electronic structure of Gd metallofullerene and Gd nanowire filled single-wall carbon nanotubes, Physica Status Solidi B 245 (2008) Nr. 10, S. 2038-2041 URL

O.V. Molodtsova, M. Knupfer, V.V. Maslyuk, D.V. Vyalikh, V.M. Zhilin, Y.A. Ossipyan, T. Bredow, I. Mertig, V.Y. Aristov
Unoccupied electronic states in an organic semiconductor probed with x-ray spectroscopy and first-principles calculations, The Journal of Chemical Physics 129 (2008) Nr. 15, S. 154705/1-4 URL

O.V. Molodtsova, M. Knupfer, Y.A. Ossipyan, V.Y. Aristov
Molecular orientation and ordering in CoPc and FePc thin films grown on Au(001)-520, Journal of Applied Physics 104 (2008) Nr. 8, S. 83704/1-5 URL

S.A.J. Kimber, D.N. Argyriou, F. Yokaichiya, K. Habicht, S. Gerischer, T. Hansen, T. Chatterji, R. Klingeler, C. Hess, G. Behr, A. Kondrat, B. Buechner
Magnetic ordering and negative thermal expansion in PrFeAsO, Physical Review B 78 (2008) Nr. 14, S. 140503(R)/ 1-4 URL

A. Koitzsch, D. Inosov, J. Fink, M. Knupfer, H. Eschrig, V. Borisenko, G. Behr, A. Koehler, J. Werner, B. Buechner, R. Follath, H.A. Duerr
Valence-band and core-level photoemission spectroscopy of LaFeAsO1-xFx, Physical Review B 78 (2008) Nr. 18, S. 180506/1-4 URL

T. Kroll, S. Bonhommeau, T. Kachel, H.A. Duerr, J. Werner, G. Behr, A. Koitzsch, A.K. Ariffin, R. Manzke, F.M.F. de Groot, J. Fink, H. Eschrig, B. Buechner, M. Knupfer
On the electronic structure of electron doped LaFeAsO1-xFx, Journal of the Physical Society of Japan 77 (2008) Nr. Suppl. C, S. 117-181

T. Kroll, S. Bonhommeau, T. Kachel, H.A. Duerr, J. Werner, G. Behr, A. Koitzsch, R. Huebel, S. Leger, R. Schoenfelder, A.K. Ariffin, R. Manzke, F.M.F. de Groot, J. Fink, H. Eschrig, B. Buechner, M. Knupfer
Electronic structure of LaFeAsO1-xFx from x-ray absorption spectroscopy, Physical Review B 78 (2008) Nr. 22, S. 220502/1-4 URL

G. Fuchs, S.-L. Drechsler, N. Kozlova, G. Behr, A. Koehler, J. Werner, K. Nenkov, R. Klingeler, J. Hamann-Borrero, C. Hess, A. Kondrat, M. Grobosch, A. Narduzzo, M. Knupfer, J. Freudenberger, B. Buechner, L. Schultz
High-field pauli-limiting behavior and strongly enhanced upper critical magnetic fields near the transition temperature of an arsenic-deficient LaO0.9F0.1FeAs1- superconductor, Physical Review Letters 101 (2008) Nr. 23, S. 237003/1-4 URL

S.-L. Drechsler, M. Grobosch, K. Koepernik, G. Behr, A. Koehler, J. Werner, A. Kondrat, N. Leps, C. Hess, R. Klingeler, R. Schuster, B. Buechner, M. Knupfer
Optical study of LaO0.9F0.1FeAs: Evidence for a weakly coupled superconducting state, Physical Review Letters 101 (2008) Nr. 25, S. 257004/1-4 URL

2007

R. Schuster, M. Knupfer, H. Berger
Exciton band structure of pentacene molecular solids: breakdown of the frenkel exciton model, Physical Review Letters 98 (2007) Nr. 3, S. 37402/1-4 URL

C. Zazza, S. Meloni, A. Palma, M. Knupfer, G.G. Fuentes, R. Car
Quasi-one-dimensional K-O chain in PTCDA thin films: Evidence from first-principles calculations, Physical Review Letters 98 (2007) Nr. 4, S. 46401/1-4 URL

H. Peisert, A. Petr, L. Dunsch, T. Chasse, M. Knupfer
Interface fermi level pinning at contacts between PEDOT: PSS and molecular organic semiconductors, ChemPhysChem 8 (2007) Nr. 3, S. 386-390 URL

M. Grobosch, M. Knupfer
Charge-Injection barriers at realistic metal/organic interfaces: metals become faceless, Advanced Materials 19 (2007) Nr. 5, S. 754-756 URL

D.R. Batchelor, T. Schmidt, R. Follath, C. Jung, R. Fink, M. Knupfer, A. Schoell, T. Noll, F. Siewert, B. Buechner, E. Umbach
An energy-dispersive VUV beamline for NEXAFS and other CFS/CIS studies, Nuclear Instruments and Methods in Physics Research Section A 575 (2007) Nr. 3, S. 470-475 URL

D.S. Inosov, S.V. Borisenko, I. Eremin, A.A. Kordyuk, V.B. Zabolotnyy, J. Geck, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner, H. Berger, R. Follath
Relation between the one-particle spectral function and dynamic spin susceptibility of superconducting Bi2Sr2CaCu2O8-delta, Physical Review B 75 (2007) Nr. 17, S. 172505/1-4 URL

K. Flatz, M. Grobosch, M. Knupfer
The electronic properties of potassium doped copper-phthalocyanine studied by electron energy-loss spectroscopy, The Journal of Chemical Physics 126 (2007) Nr. 21, S. 214702/1-5 URL

C. Kramberger, H. Rauf, H. Shiozawa, M. Knupfer, B. Buechner, T. Pichler, D. Batcherlor, H. Kataura
Unraveling van Hove singularities in x-ray absorption response of single-wall carbon nanotubes, Physical Review B 75 (2007) Nr. 23, S. 235437/1-4 URL

V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, D.S. Inosov, A. Koitzsch, J. Geck, J. Fink, M. Knupfer, B. Buechner, S.-L. Drechsler, V. Hinkov, B. Keimer, L. Patthey
Disentangling surface and bulk photoemission using circularly polarized light, Physical Review B 76 (2007) Nr. 2, S. 24502/1-4 URL

V.Y. Aristov, O.V. Molodtsova, V.M. Zhilin, Y.A. Ossipyan, D.V. Vyalikh, B.P. Doyle, S. Nannarone, M. Knupfer
Formation of sharp metal-organic semiconductor interfaces: Ag and Sn on CuPc, The European Physical Journal B 57 (2007) Nr. 4, S. 379-384 URL

J. Geck, S.V. Borisenko, H. Berger, H. Eschrig, J. Fink, M. Knupfer, K. Koepernik, A. Koitzsch, A.A. Kordyuk, V.B. Zabolotnyy, B. Buechner
Anomalous quasiparticle renormalization in Na0.73CoO2: Role of interorbital interactions and magnetic correlations, Physical Review Letters 99 (2007) Nr. 4, S. 46403/1-4 URL

V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, J. Geck, D.S. Inosov, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner, S.-L-. Drechsler, H. Berger, A. Erb, M. Lambacher, L. Patthey, V. Hinkov, B. Keimer
Momentum and temperature dependence of renormalization effects in the high-temperature superconductor YBa2Cu3O7-delta, Physical Review B 76 (2007) Nr. 6, S. 64519/1-6 URL

R. Schuster, M. Knupfer, D.R.T. Zahn, H. Berger
Anisotropic dynamic response of pentacene single crystals, The European Physical Journal B 59 (2007) Nr. 1, S. 25-28 URL

X. Liu, F. Klauser, N. Memmel, E. Bertel, T. Pichler, M. Knupfer, A. Kromka, D. Steinmueller-Nethl
Spectroscopic studies of nanocrystalline diamond materials, Diamond and Related Materials 16 (2007), S. 1463-1470 URL

A. Koitzsch, S.V. Borisenko, D. Inosov, J. Geck, V.B. Zabolotnyy, H. Shiozawa, M. Knupfer, J. Fink, B. Buechner, E.D. Bauer, J.L. Sarrao, R. Follath
Observing the heavy fermions in CeCoIn5 by angle-resolved photoemission, Physica C 460-462 (2007), S. 666-667 URL

D. Inosov, S.V. Borisenko, I. Eremin, A.A. Kordyuk, V.B. Zabolotnyy, J. Geck, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner
About the relation between the quasiparticle Greens function in cuprates obtained from ARPES data and the magnetic susceptibility, Physica C 460-462 (2007), S. 939-940 URL

V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, J. Geck, D.S. Inosov, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner, V. Hinkov, B. Keimer, R. Follath
Anomalous surface overdoping as a clue to the puzzling electronic structure of YBCO-123, Physica C 460-462 (2007), S. 888-889 URL

V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, J. Fink, J. Geck, A. Koitzsch, M. Knupfer, B. Buechner, H. Berger, A. Erb, C.T. Lin, B. Keimer, R. Follath
Effect of Zn and Ni impurities on the quasiparticle renormalization in Bi2Sr2CaCu2O8+delta, Physica C 460-462 (2007), S. 882-883 URL

T. Kroll, A.A. Aligia, M. Knupfer, J. Geck, C. Hess, T. Schwieger, G. Krabbes, C. Sekar, D.R. Batchelor, H. Berger, G.A. Sawatzky, B. Buechner
Spectroscopic investigations on layered sodium cobaltates, Physica C 460-462 (2007), S. 487-488 URL

M. Grobosch, M. Knupfer
Energy level alignment and interface states at a-sexithiophene/Ag interfaces, Organic Electronics 8 (2007) Nr. 5, S. 625-630 URL

O.V. Molodtsova, V.Y. Aristov, V.M. Zhilin, Y. Ossipyan, D.V. Vyalikh, B.P. Doyle, S. Nannarone, M. Knupfer
Silver on copper phthalocyanine: abrupt and inert interfaces, Applied Surface Science 254 (2007) Nr. 1, S. 99-102 URL

V.Y. Aristov, O.V. Molodtsova, V. Maslyuk, D.V. Vyalikh, V.M. Zhilin, Y.A. Ossipyan, T. Bredow, I. Mertig, M. Knupfer
Electronic structure of pristine CuPc: Experiment and calculations, Applied Surface Science 254 (2007) Nr. 1, S. 20-25 URL

D.S. Inosov, J. Fink, A.A. Kordyuk, S.V. Borisenko, V.B. Zabolotnyy, R. Schuster, M. Knupfer, B. Buechner, R. Follath, H.A. Duerr, W. Eberhardt, V. Hinkov, B. Keimer, H. Berger
Momentum and energy dependence of the anomalous high-energy dispersion in the electronic structure of high temperature superconductors, Physical Review Letters 99 (2007) Nr. 23, S. 237002/1-4 URL

O.V. Molodtsova, M. Grobosch, M. Knupfer, V.Y. Aristov
Consistent experimental determination of the charge neutrality level and the pillow effect at metal/organic interfaces, Applied Physics Letters 91 (2007) Nr. 24, S. 244103/1-3 URL

2006

V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, J. Fink, J. Geck, A. Koitzsch, M. Knupfer, B. Buechner, H. Berger, A. Erb, C.T. Lin, B. Keimer, R. Follath
Effect of Zn and Ni Impurities on the Quasiparticle Renormalization of Superconducting Bi-2212, Physical Review Letters 96 (2006) Nr. 3, S. 37003/1-4 URL

S.V. Borisenko, A.A. Kordyuk, A. Koitzsch, J. Fink, J. Geck, V. Zabolotnyy, M. Knupfer, B. Buechner, H. Berger, M. Falub, M. Shi, J. Krempasky, L. Patthey
Parity of the pairing bosons in a high-temperature Pb-Bi2Sr2CaCu2O8 bilayer superconductor by angle-resolved photoemission spectroscopy, Physical Review Letters 96 (2006) Nr. 6, S. 67001/1-4 URL

O.V. Molodtsova, M. Knupfer
Electronic properties of the organic semiconductor interfaces CuPc/C60 and C60/CuPc, Journal of Applied Physics 99 (2006) Nr. 5, S. 53704/1-7 URL

X. Liu, M. Knupfer, L. Dunsch, A. Tabet, H. Hartmann
Photoemission study of the interface properties of aminothiophene derivatives in contact to Au as a function of conjugation length, Organic Electronics 7 (2006) Nr. 2, S. 107-113 URL

V.Y. Aristov, O.V. Molodtsova, V.M. Zhilin, D.V. Vyalikh, M. Knupfer
Characterisation of metal-organic semiconductor interfaces: In and Sn on CuPc, Journal de Physique IV 132 (2006), S. 101-104

O.V. Molodtsova, V.Y. Aristov, V.M. Zhilin, D.V. Vyalikh, M. Knupfer
Potassium doped CuPc: Electronic and atomic structure formation, Journal de Physique IV 132 (2006), S. 121-125

A.A. Kordyuk, S.V. Borisenko, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner, H. Berger
Life of the nodal quasiparticles in Bi-2212 as seen by ARPES, Journal of Physics and Chemistry of Solids 67 (2006) Nr. 1-3, S. 201-207 URL

S.V. Borisenko, A.A. Kordyuk, V. Zabolotnyy, J. Geck, D. Inosov, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner, V. Hinkov, C.T. Lin, B. Keimer, T. Wolf, S.G. Chiuzbaian, L. Patthey, R. Follath
Kinks, nodal bilayer splitting, and interband scattering in YBa2Cu3O6+x, Physical Review Letters 96 (2006), S. 117004/1-4 URL

A. Koitzsch, S.V. Borisenko, J. Geck, V.B. Zabolotnyy, M. Knupfer, J. Fink, P. Ribeiro, B. Buechner, R. Follath
Current spinon-holon description of the one-dimensional charge-transfer insulator SrCuO2: Angle-resolved photoemission measurements, Physical Review B 73 (2006), S. 201101(R)/1-4 URL

H. Shiozawa, H. Rauf, T. Pichler, M. Knupfer, M. Kalbac, S. Yang, L. Dunsch, B. Buechner, D. Batchelor, H. Kataura
Filling factor and electronic structure of Dy3N@C80 filled single-wall carbon nanotubes studied by photoemission spectroscopy, Physical Review B 73 (2006), S. 205411/1-6 URL

M. Knupfer, H. Berger
Dispersion of electronhole excitations in pentacene along (1 0 0) , Chemical Physics 325 (2006), S. 92-98 URL

G.G. Fuentes, M. Knupfer
Electronic structure and work function of potassium-doped PTCDA thin films, Applied Physics A 84 (2006) Nr. 3, S. 329-333

A.A. Kordyuk, S.V. Borisenko, V.B. Zabolotnyy, J. Geck, M. Knupfer, J. Fink, B. Buechner, C.T. Lin, B. Keimer, H. Berger, A.V. Pan, S. Komiya, Y. Ando
Constituents of the quasiparticle spectrum along the nodal direction of high-Tc cuprates, Physical Review Letters 97 (2006) Nr. 1, S. 17002/1-4 URL

I. Biswas, H. Peisert, L. Zhang, T. Chasse, M. Knupfer, M. Hanack, D. Dini, T. Schmidt, D. Batchelor
Orientation of differently substituted phthalocyanines: first layers and thin films, Molecular Crystals and Liquid Crystals 455 (2006), S. 241-249

J. Geck, H. von Zimmermann, H. Berger, S.V. Borisenko, H. Eschrig, K. Koepernik, M. Knupfer, B. Buechner
Stripe correlations in Na0.75CoO2, Physical Review Letters 97 (2006) Nr. 10, S. 106403/1-4 URL

J. Fink, A. Koitzsch, J. Geck, V. Zabolotnyy, M. Knupfer, B. Buechner, A. Chubukov, H. Berger
Reevaluation of the coupling to a bosonic mode of the charge carriers in (Bi,Pb)2Sr2CaCu2O8+ at the antinodal point, Physical Review B 74 (2006) Nr. 16, S. 165102/1-12 URL

T. Kroll, M. Knupfer, J. Geck, C. Hess, T. Schwieger, G. Krabbes, C. Sekar, D.R. Batchelor, H. Berger, B. Buechner
X-ray absorption spectroscopy of NaxCoO2 layered cobaltates, Physical Review B 74 (2006) Nr. 11, S. 115123/1-6 URL

M. Grobosch, R. Schuster, T. Pichler, M. Knupfer, H. Berger
Analysis of the anisotropy of excitons in pentacene single crystals using reflectivity measurements and electron energy-loss spectroscopy, Physical Review B 74 (2006) Nr. 15, S. 155202/1-6 URL

M. Knupfer, X. Liu
Interface electronic properties of oligothiophenes: the effect of chain length and chemical substituents, Surface Science 600 (2006) Nr. 18, S. 3978-3981 URL

H. Shiozawa, H. Rauf, D. Grimm, M. Knupfer, M. Kalbac, S. Yang, L. Dunsch, B. Buechner, T. Pichler
Charge distribution of potassium intercalated Dy3N@C80 observed with core-level and valence-band photoemission, Physica Status Solidi B 243 (2006) Nr. 13, S. 3004-3007 URL

H. Rauf, H. Shiozawa, T. Pichler, M. Knupfer, B. Buechner, H. Kataura
A photoemission study of the metallic ground state of potassium-doped C60 peapods, Physica Status Solidi B 243 (2006) Nr. 13, S. 3013-3016 URL

H. Peisert, I. Biswas, L. Zhang, M. Knupfer, M. Hanack, D. Dini, D. Batchelor, T. Chasse
Molecular orientation of substituted phthalocyanines: Influence of the substrate roughness, Surface Science 600 (2006) Nr. 18, S. 4024-4029 URL

D.V. Evtushinsky, A.A. Kordyuk, S.V. Borisenko, V.B. Zabolotnyy, M. Knupfer, J. Fink, B. Buechner, A.V. Pan, A. Erb, C.T. Lin, H. Berger
Unadulterated spectral function of low-energy quasiparticles in Bi2Sr2CaCu2O8+delta, Physical Review B 74 (2006) Nr. 17, S. 172509/1-4 URL

2005

M.H. Ruemmeli, E. Borowiak-Palen, T. Gemming, M. Knupfer, K. Biedermann, R.J. Kalenczuk, T. Pichler
On the formation process of silicon carbide nanophases via hydrogenated thermally induced templated synthesis, Applied Physics A 80 (2005) Nr. 8, S. 1653-1656

E. Borowiak-Palen, M.H. Ruemmeli, M. Knupfer, G. Behr, K. Biedermann, T. Gemming, R.J. Kalenczuk, T. Pichler
Bulk quantity and physical properties of boron nitride nanocapsules with a narrow size distribution, Carbon 43 (2005) Nr. 3, S. 615-621 URL

H. Peisert, I. Biswas, L. Zhang, M. Knupfer, M. Hanack, D. Dini, M.J. Cook, I. Chambrier, T. Schmidt, D. Batchelor, T. Chasse
Orientation of substituted phthalocyanines on polycrystalline gold: distinguishing between the first layers and thin films, Chemical Physics Letters 403 (2005), S. 1-6

I. Biswas, H. Peisert, T. Schwieger, D. Dini, M. Hanack, M. Knupfer, T. Schmidt, T. Chasse
Tetra-tau-butyl magnesium phthalocyanine on gold: Electronic structure and molecular orientation, Journal of Chemical Physics 122 (2005) Nr. 6, S. 64710/1-8

E. Borowiak-Palen, M.H. Ruemmeli, T. Gemming, M. Knupfer, K. Biedermann, A. Leonhardt, T. Pichler, R.J. Kalenczuk
Bulk synthesis of carbon-filled silicon carbide nanotubes with a narrow diameter distribution, Journal of Applied Physics 97 (2005) Nr. 5, S. 56102/1-3 URL

S.-L. Drechsler, J. Malek, H. Eschrig, M. Knupfer, H. Rosner
Effects beyond the pdsigma-model in the low-energy physics of cuprates, Physica B 359-361 (2005), S. 524-526 URL

A.A. Kordyuk, S.V. Borisenko, A. Koitzsch, J. Fink, M. Knupfer, H. Berger
Bare electron dispersion from experiment: Self-consistent self-energy analysis of photoemission data, Physical Review B 71 (2005) Nr. 21, S. 214513/1-11 URL

M. Knupfer, G. Paasch
Origin of the interface dipole at interfaces between undoped organic semiconductors and metals, Journal of Vacuum Science and Technology A 23 (2005) Nr. 4, S. 1072-1074

T. Schwieger, X. Liu, H. Peisert, B. Adolphi, N. Kiriy, M. Knupfer
Electronic properties of interfaces between different sexithiophenes and gold, Journal of Applied Physics 97 (2005) Nr. 12, S. 123712/1-5 URL

M.H. Ruemmeli, E. Borowiak-Palen, T. Gemming, T. Pichler, M. Knupfer, M. Kalbac, L. Dunsch, O. Jost, S.R.P. Silva, W. Pompe, B. Buechner
Novel catalysts, room temperature, and the importance of oxygen for the synthesis of single-walled carbon nanotubes, Nano Letters 5 (2005) Nr. 7, S. 1209-1215 URL

M. Krause, X. Liu, J. Wong, T. Pichler, M. Knupfer, L. Dunsch
The electronic and vibrational structure of endohedral Tm3N@C80 (I) fullerene - proof of an encaged Tm3+, Journal of Physical Chemistry A 109 (2005), S. 7088-7093 URL

X. Liu, M. Krause, J. Wong, T. Pichler, L. Dunsch, M. Knupfer
Electronic structures of the pristine and K-intercalated Tm3N@C80 endohedral fullerenes, Physical Review B 72 (2005) Nr. 8, S. 85407/1-5 URL

T.K. Kim, J. Wells, C. Kirkegaard, Z. Li, S.V. Hoffmann, J.E. Gayone, I. Fernandez-Torrente, P. Haeberle, J.I. Pascual, K.T. Moore, A.J. Schwartz, H. He, J.C.H. Spence, K.H. Downing, S. Lazar, F.D. Tichelaar, S.V. Borisenko, M. Knupfer, P. Hofmann
Evidence against a charge density wave on Bi(111), Physical Review B 72 (2005) Nr. 8, S. 85440/1-7 URL

M. Knupfer, T. Schwieger
Chemisorption at interfaces between organic semiconductors and metals: role of the electron affinity, Applied Surface Science 252 (2005) Nr. 1, S. 77-80 URL

O.V. Molodtsova, T. Schwieger, M. Knupfer
Electronic properties of the organic semiconductor hetero-interface CuPc/C60, Applied Surface Science 252 (2005) Nr. 1, S. 143-147 URL

T. Pichler, H. Rauf, M. Knupfer, J. Fink, H. Kataura
A photoemission study of the nature of the metallic state in single wall carbon nanotube bundles at low potassium doping, Synthetic Metals 153 (2005) Nr. 1-3, S. 333-336 URL

E. Borowiak-Palen, M. Ruemmeli, T. Gemming, M. Knupfer, R.J. Kalenczuk, T. Pichler
Formation of novel nanostructures using carbon nanotubes as a frame, Synthetic Metals 153 (2005) Nr. 1-3, S. 345-348 URL

M. Ruemmeli, E. Borowiak-Palen, T. Gemming, A. Huczko, M. Knupfer, S. Cudzilo, R.J. Kalenczuk, T. Pichler
Modification of SiC based nanorods via a hydrogenated annealing process, Synthetic Metals 153 (2005) Nr. 1-3, S. 349-352 URL

K. Iketaki, K. Kanai, K. Tsuboi, W. Fujita, K. Awaga, M. Knupfer, Y. Ouchi, K. Seki
Preparation of 1,3,5-trithia-2,4,6-triazapentalenyl films on gold surfaces, Synthetic Metals 153 (2005) Nr. 1-3, S. 457-460 URL

X. Liu, C. Taeschner, A. Leonhardt, M.H. Ruemmeli, T. Pichler, T. Gemming, B. Buechner, M. Knupfer
Structural, optical and electronic properties of vanadium oxide nanotubes, Physical Review B 72 (2005) Nr. 11, S. 115407/1-5 URL

V.Y. Aristov, O.V. Molodtsova, V.M. Zhilin, D.V. Vyalikh, M. Knupfer
Chemistry and electronic properties of a metal-organic semiconductor interface: In on CuPc, Physical Review B 72 (2005) Nr. 16, S. 165318/1-7 URL

X. Liu, M. Knupfer, B.-H. Huisman
Electronic properties of the interface between alpha, omega-dihexyl-quaterthiophene and gold, Surface Science 595 (2005), S. 165-171 URL

O.V. Molodtsova, V.M. Zhilin, D.V. Vyalikh, V.Y. Aristov, M. Knupfer
Electronic properties of potassium-doped CuPc, Journal of Applied Physics 98 (2005) Nr. 9, S. 93702/1-5 URL

H. Shiozawa, H. Rauf, T. Pichler, D. Grimm, X. Liu, M. Knupfer, M. Kalbac, S. Yang, L. Dunsch, B. Buechner, D. Batchelor
Electronic structure of the trimetal nitride fullerene Dy3N@C80, Physical Review B 72 (2005) Nr. 19, S. 195409/1-5 URL

L. Zhang, H. Peisert, I. Biswas, M. Knupfer, D. Batchelor, T. Chasse`
Growth of zinc phthalocyanine onto ZnS film investigated by synchrotron radiation-excited X-ray photoelectron and near-edge absorption spectroscopy, Surface Science 596 (2005) Nr. 1-3, S. 98-107 URL

H. Rauf, H. Shiozawa, T. Pichler, M. Knupfer, B. Buechner, H. Kataura
Influence of the C60 filling on the nature of the metallic ground state in intercalated peapods, Physical Review B 72 (2005) Nr. 24, S. 245411/1-8 URL

2004

B. Bendjemil, E. Borowiak-Palen, A. Graff, T. Pichler, M. Guerioune, J. Fink, M. Knupfer
Elimination of metal catalyst and carbon-like impurities from single-wall carbon nanotube raw material, Applied Physics A 78 (2004) Nr. 3, S. 311-314

H. Liepack, K. Bartsch, B. Arnold, H.-D. Bauer, X. Liu, M. Knupfer, A. Leonhardt
Characteristics of excess carbon in PACVD TiC-amorphous carbon layers, Diamond and Related Materials 13 (2004) Nr. 1, S. 106-110 URL

T. Schwieger, H. Peisert, M. Knupfer
Direct observation of interfacial charge transfer from silver to organic semiconductors, Chemical Physics Letters 384 (2004) Nr. 4-6, S. 197-202

A. Petr, F. Zhang, H. Peisert, M. Knupfer, L. Dunsch
Electrochemical adjustment of the work function of a conducting polymer, Chemical Physics Letters 385 (2004) Nr. 1-2, S. 140-143

X. Liu, T. Pichler, M. Knupfer, J. Fink, H. Kataura
Electronic properties of potassium-intercalated C60 peapods, Physical Review B 69 (2004) Nr. 7, S. 75417/1-7 URL

M. Knupfer, J. Fink
Size and dispersion of excitons in organic semiconductors, Synthetic Metals 141 (2004) Nr. 1-2, S. 21-27 URL

A. Koitzsch, S.V. Borisenko, A.A. Kordyuk, T.K. Kim, M. Knupfer, J. Fink, H. Berger, R. Follath
Doping dependence of many-body effects along the nodal direction in the high-Tc cuprate (Bi,Pb)2Sr2CaCu2O8, Physical Review B 69 (2004) Nr. 14, S. 140507/1-4 URL

M. Knupfer, T. Schwieger, H. Peisert, J. Fink
Mixing of Frenkel and charge transfer excitons in quasi-one-dimensional copper phthalocyanine molecular crystals, Physical Review B 69 (2004) Nr. 16, S. 165210/1-5 URL

E. Borowiak-Palen, T. Pichler, A. Graff, R.J. Kalenczuk, M. Knupfer, J. Fink
Synthesis and electronic properties of B-doped single wall carbon nanotubes, Carbon 42 (2004) Nr. 5-6, S. 1123-1126 URL

M. Knupfer, H. Peisert
Electronic properties of interfaces between model organic semiconductors and metals, Physica Status Solidi A 201 (2004) Nr. 6, S. 1055-1074 URL

S.V. Borisenko, A.A. Kordyuk, A. Koitzsch, T.K. Kim, K.A. Nenkov, M. Knupfer, J. Fink, C. Grazioli, S. Turchini, H. Berger
Circular dichroism in angle-resolved photoemission spectra of under- and overdoped Pb-Bi2212, Physical Review Letters 92 (2004) Nr. 20, S. 207001/1-4 URL

M. Knupfer, J. Fink, S.-L. Drechsler, R. Hayn, J. Malek, A.S. Moskvin
Two types of charge transfer excitations in low dimensional cuprates: an electron energy-loss study, Journal of Electron Spectroscopy and Related Phenomena 137-140 (2004), S. 469-473

G.G. Fuentes, E. Borowiak-Palen, M. Knupfer, T. Pichler, J. Fink, L. Wirtz, A. Rubio
Formation and electronic properties of BC3 single-wall nanotubes upon boron substitution of carbon nanotubes, Physical Review B 69 (2004) Nr. 24, S. 245403/1-6 URL

S.V. Borisenko, A.A. Kordyuk, S. Legner, T.K. Kim, M. Knupfer, C.M. Schneider, J. Fink, M.S. Golden, M. Sing, R. Claessen, A. Yaresko, H. Berger, C. Grazioli, S. Turchini
Circular dichroism and bilayer splitting in the normal state of underdoped (Pb,Bi)2Sr2(CaxY1-x)Cu2O8+delta and overdoped (Pb,Bi)2Sr2CaCu2O8+delta, Physical Review B 69 (2004) Nr. 22, S. 224509/1-5 URL

A.A. Kordyuk, S.V. Borisenko, A. Koitzsch, J. Fink, M. Knupfer, B. Buechner, H. Berger, G. Margaritondo, C.T. Lin, B. Keimer, S. Ono, Y. Ando
Manifestation of the magnetic resonance mode in the nodal quasiparticle lifetime of the superconducting cuprates, Physical Review Letters 92 (2004) Nr. 25, S. 257006/1-4 URL

A. Koitzsch, S.V. Borisenko, A.A. Kordyuk, T.K. Kim, M. Knupfer, J. Fink, M.S. Koops, W. Golden, H. Berger, B. Keimer, C.T. Lin, S. Ono, Y. Ando, R. Follath
Origin of the shadow fermi surface in Bi-based cuprates, Physical Review B 69 (2004) Nr. 22, S. 220505/1-4 URL

H. Rauf, T. Pichler, M. Knupfer, J. Fink, H. Kataura
Transition from a Tomonaga-Luttinger Liquid to a Fermi Liquid in Potassium-Intercalated Bundles of Single-Wall Carbon Nanotubes, Physical Review Letters 93 (2004) Nr. 9, S. 96805/1-4 URL

S.V. Borisenko, A.A. Kordyuk, A. Koitzsch, M. Knupfer, J. Fink, H. Berger, C.T. Lin
Time-reversal symmetry breaking ?, Nature 431 (2004) Nr. 7004 URL

H. Peisert, M. Knupfer, F. Zhang, A. Petr, L. Dunsch, J. Fink
The interface between phthalocyanines and PEDOT:PSS: evidence for charge transfer and doping, Surface Science 566-568 (2004), S. 554-559

H. Peisert, X. Liu, D. Olligs, A. Petr, L. Dunsch, T. Schmidt, T. Chasse, M. Knupfer
Highly ordered phthalocyanine thin films on a technically relevant polymer substrate, Journal of Applied Physics 96 (2004) Nr. 7, S. 4009-4011 URL

T. Eckl, W. Hanke, S.V. Borisenko, A.A. Kordyuk, T. Kim, A. Koitzsch, M. Knupfer, J. Fink
Change of quasiparticle dispersion in crossing Tc in the underdoped cuprates, Physical Review B 70 (2004) Nr. 9, S. 94522/1-6 URL

S.-L. Drechsler, H. Rosner, T.K. Kim, M. Knupfer, J. Malek, H. Eschrig
Electronic structure and magnetism of the "pseudo-ladder" compounds ACu2O3, A=Ca,Mg, Physica C 408-410 (2004), S. 270-272 URL

T. Schwieger, X. Liu, D. Olligs, M. Knupfer, T. Schmidt
Orientation and electronic properties of pentacene molecules on SiO2 and GeS(0001) studied using x-ray absorption spectroscopy, Journal of Applied Physics 96 (2004) Nr. 10, S. 5596-5600 URL

X. Liu, T. Pichler, M. Knupfer, J. Fink, H. Kataura
Electronic properties of FeCl3-intercalated single-wall carbon nanotubes, Physical Review B 70 (2004) Nr. 20, S. 205405/1-5 URL

G.G. Fuentes, M. Knupfer
Preparation and characterization of single-phase potassium-doped PTCDA thin films, Physical Review B 70 (2004) Nr. 23, S. 233202/1-4 URL

S.V. Borisenko, T.K. Kim, A.A. Kordyuk, M. Knupfer, J. Fink, J.E. Gayone, P. Hofmann, H. Berger, B. Liang, A. Maljuk, C.T. Lin
Excitation energy dependence of the ARPES intensity in Pb-doped and pristine Bi2Sr2CaCu2O8+delta, Physica C 417 (2004) Nr. 1-2, S. 1-6 URL

A.A. Kordyuk, S.V. Borisenko, A.N. Yaresko, S.-L. Drechsler, H. Rosner, T.K. Kim, A. Koitzsch, K.A. Nenkov, M. Knupfer, J. Fink, R. Follath, H. Berger, B. Keimer, S. Ono, Yoichi Ando
Evidence for CuO conducting band splitting in the nodal direction of Bi2Sr2CaCu2O8+delta, Physical Review B 70 (2004) Nr. 21, S. 214525/1-6 URL

X. Liu, T. Pichler, M. Knupfer, J. Fink
Electronic properties of barium-intercalated single-wall carbon nanotubes, Physical Review B 70 (2004) Nr. 24, S. 245435/1-7 URL

2003

E. Borowiak-Palen, T. Pichler, G.G. Fuentes, B. Bendjemil, X. Liu, A. Graff, G. Behr, R.J. Kalenczuk, M. Knupfer, J. Fink
Infrared response of multiwalled boron nitride nanotubes, Chemical Communications (2003) Nr. 1, S. 82-83

T.K. Kim, H. Rosner, S.-L. Drechsler, Z. Hu, C. Sekar, G. Krabbes, J. Malek, M. Knupfer, J. Fink, H. Eschrig
Unusual electronic structure of the pseudoladder compound CaCu2O3, Physical Review B 67 (2003), S. 24516/1-5 URL

G.G. Fuentes, E. Borowiak-Palen, T. Pichler, X. Liu, A. Graff, G. Behr, R.J. Kalenczuk, M. Knupfer, J. Fink
Electronic structure of multiwall boron nitride nanotubes, Physical Review B 67 (2003) Nr. 3, S. 35429/1-6 URL

A.A. Kordyuk, S.V. Borisenko, M. Knupfer, J. Fink
Measuring the gap in angle-resolved photoemission experiments on cuprates, Physical Review B 67 (2003) Nr. 6, S. 64504/1-8 URL

X. Liu, T. Pichler, M. Knupfer, J. Fink
Electronic and optical properties of alkali-metal-intercalacted single-wall carbon nanotubes, Physical Review B 67 (2003) Nr. 12, S. 125403/1-8 URL

H. Kuzmany, R. Pfeiffer, C. Kramberger, T. Pichler, X. Liu, M. Knupfer, J. Fink, H. Kataura, Y. Achiba, B.W. Smith, D.E. Luzzi
Analysis of the concentration of C60 fullerenes in single wall carbon nanotubes, Applied Physics A 76 (2003), S. 449-455

S.-L. Drechsler, Z. Hu, J. Malek, H. Rosner, R. Neudert, M. Knupfer, M.S. Golden, J. Fink
X-ray absorption spectroscopy of CuO2 chains, Journal of Low Temperature Physics 131 (2003) Nr. 3-4, S. 369-373 URL

H. Peisert, M. Knupfer, J. Fink
Comparison of the electronic structure of CuPCF4/ITO and CuPCF4/Au interfaces, Synthetic Metals 137 (2003) Nr. 1-3, S. 869-870 URL

X. Liu, T. Pichler, M. Knupfer, J. Fink, H. Kataura
Determination of the filling factor of C60 peapods by electron energy-loss spectroscopy in transmission, Synthetic Metals 135-136 (2003), S. 715-716 URL

G. Paasch, H. Peisert, M. Knupfer, J. Fink, S. Scheinert
Mixing of interface dipole and band bending at organic/metal interfaces in the case of exponentially distributed transport states, Journal of Applied Physics 93 (2003) Nr. 10, S. 6084-6089 URL

S.V. Borisenko, A.A. Kordyuk, T.K. Kim, A. Koitzsch, M. Knupfer, J. Fink, M.S. Golden, M. Eschrig, H. Berger, R. Follath
Anomalous enhancement of the coupling to the magnetic resonance mode in underdoped Pb-Bi2212, Physical Review Letters 90 (2003) Nr. 20, S. 207001/1-4 URL

H. Peisert, M. Knupfer, T. Schwieger, G.G. Fuentes, D. Olligs, J. Fink, T. Schmidt
Fluorination of copper phthalocyanines: electronic structure and interface properties, Journal of Applied Physics 93 (2003) Nr. 12, S. 9683-9692 URL

A.S. Moskvin, J. Malek, M. Knupfer, R. Neudert, J. Fink, R. Hayn, S.-L. Drechsler, N. Motoyama, H. Eisaki, S. Uchida
Evidence for two types of low-energy charge transfer excitations in Sr2CuO3, Physical Review Letters 91 (2003) Nr. 3, S. 37001/1-4 URL

T. Schwieger, M. Knupfer, W. Gao, A. Kahn
Direct and inverse photoemission spectroscopy studies of potassium intercalated films of two organic semiconductors, Applied Physics Letters 83 (2003) Nr. 3, S. 500-502 URL

M. Knupfer
Exciton binding energies in organic semiconductors, Applied Physics A 77 (2003), S. 623-626

E. Borowiak-Palen, T. Pichler, G.G. Fuentes, A. Graff, R.J. Kalenczuk, M. Knupfer, J. Fink
Efficient production of B-substituted single-wall carbon nanotubes, Chemical Physics Letters 378 (2003), S. 516-520

T.K. Kim, A.A. Kordyuk, S.V. Borisenko, A. Koitzsch, M. Knupfer, H. Berger, J. Fink
Doping dependence of the mass enhancement in (Pb,Bi)2Sr2CaCu2O8 at the antinodal point in the superconducting and normal states, Physical Review Letters 91 (2003) Nr. 16, S. 167002/1-4 URL

H. Peisert, M. Knupfer, F. Zhang, A. Petr, L. Dunsch, J. Fink
Charge transfer and doping at organic/organic interfaces, Applied Physics Letters 83 (2003) Nr. 19, S. 3930-3932 URL

S.-L. Drechsler, J. Malek, R. Hayn, M. Knupfer, A.S. Moskvin, J. Fink
Low-energy charge excitations in an undoped cuprate: description beyond the standard pd-sigma-model?, International Journal of Modern Physics B 17 (2003) Nr. 18, S. 3324-3328

T. Pichler, X. Liu, M. Knupfer, J. Fink
Electronic properties of intercalated single-wall carbon nanotubes and C60 peapods, New Journal of Physics 5 (2003) Nr. 156, S. 1-23

2002

M. Knupfer, H. Peisert, T. Schwieger
Band-gap and correlation effects in the organic semiconductor Alq3, Physical Review B 65 (2002) Nr. 3, S. 33204/1-4 URL

X. Liu, T. Pichler, M. Knupfer, M.S. Golden, J. Fink, H. Kataura, Y. Achiba, K. Hirahara, S. Iijima
Filling factors, structural, and electronic properties of C60 molecules in single-wall carbon nanotubes, Physical Review B 65 (2002) Nr. 4, S. 45419/1-6 URL

H. Peisert, M. Knupfer, T. Schwieger, J.M. Auerhammer, M.S. Golden, J. Fink
Full characterization of the interface between the organic semiconductor copper phthalocyanine and gold, Journal of Applied Physics 91 (2002) Nr. 8, S. 4872-4878 URL

H. Peisert, M. Knupfer, T. Schwieger, J. Fink
Strong chemical interaction between indium tin oxide and phthalocyanines, Applied Physics Letters 80 (2002) Nr. 16, S. 2916-2918 URL

Z. Hu, M. Knupfer, M. Kielwein, U.K. Roessler, M.S. Golden, J. Fink, F.M.F. de Groot, T. Ito, K. Oka, G. Kaindl
The electronic structure of the doped one-dimensional transition metal oxide Y2-xCaxBaNiO5 studied using X-ray absorption, The European Physical Journal B 26 (2002) Nr. 4, S. 449-453

J.M. Auerhammer, M. Knupfer, H. Peisert, J. Fink
The copper phthalocyanine/Au(100) interface studied using high resolution electron energy-loss spectroscopy, Surface Science 506 (2002) Nr. 3, S. 333-338

A.S. Moskvin, R. Neudert, M. Knupfer, J. Fink, R. Hayn
Character of charge transfer excitons in Sr2CuO2Cl2, Physical Review B 65 (2002) Nr. 18, S. 180512/1-4 URL

L. Alvarez, T. Pichler, P. Georgi, T. Schwieger, H. Peisert, L. Dunsch, Z. Hu, M. Knupfer, J. Fink, P. Bressler, M. Mast, M.S. Golden
Electronic structure of pristine and intercalated Sc3N@C80 metallofullerene, Physical Review B 66 (2002) Nr. 3, S. 35107/1-7 URL

A.A. Kordyuk, S.V. Borisenko, M.S. Golden, S. Legner, K.A. Nenkov, M. Knupfer, J. Fink, H. Berger, L. Forro, R. Follath
Doping dependence of the Fermi surface in (Bi, Pb)2Sr2CaCu2O8+delta, Physical Review B 66 (2002) Nr. 1, S. 14502/1-6 URL

Z. Hu, S.-L. Drechsler, J. Malek, H. Rosner, R. Neudert, M. Knupfer, M.S. Golden, J. Fink, J. Karpinski, G. Kaindl, C. Hellwig, Ch. Jung
Doped holes in edge-shared CuO2 chains and the dynamic spectral weight transfer in X-ray absorption spectroscopy, Europhysics Letters 59 (2002) Nr. 1, S. 135-141 URL

X. Liu, T. Pichler, M. Knupfer, M.S. Golden, J. Fink, H. Kataura, Y. Achiba
Detailed analysis of the mean diameter and diameter distribution of single-wall carbon nanotubes from their optical response, Physical Review B 66 (2002) Nr. 4, S. 45411/1-8 URL

A.G. Marinopoulos, L. Reining, V. Olevano, A. Rubio, T. Pichler, X. Liu, M. Knupfer, J. Fink
Anisotropy and interplane interactions in the dielectric response of graphite, Physical Review Letters 89 (2002) Nr. 7, S. 76402/1-4 URL

A.A. Kordyuk, S.V. Borisenko, T.K. Kim, K.A. Nenkov, M. Knupfer, J. Fink, M.S. Golden, H. Berger, R. Follath
Origin of the peak-dip-hump line shape in the superconducting state (pi, 0) photoemission spectra of Bi2Sr2CaCu2O8, Physical Review Letters 89 (2002) Nr. 7, S. 77003/1-4 URL

H. Peisert, M. Knupfer, J. Fink
Electronic structure of partially fluorinated copper phthalocyanine (CuPCF4) and its interface to Au(100), Surface Science 515 (2002) Nr. 2-3, S. 491-498

M. Knupfer, T. Schwieger, J. Fink, K. Leo, M. Hoffmann
Excitons in quasi-one-dimensional organic crystals, Physical Review B 66 (2002) Nr. 3, S. 35208/1-5 URL

Z. Hu, C. Grazioli, M. Knupfer, M.S. Golden, J. Fink, Priya Mahadevan, Ashwani Kumar, Sugata Ray, D.D. Sarma, S.A. Warda, D. Reinen, S. Kawasaki, M. Takano, C. Schuessler-Langeheine, Chandan Mazumdar, G. Kaindl
Difference in spin state and covalence between La1-xSrxCoO3 and La2-xSrxLi0.5Co0.5O4, Journal of Alloys and Compounds 343 (2002) Nr. 1-2, S. 5-13 URL

Z. Hu, M.S. Golden, S.G. Ebbinghaus, M. Knupfer, J. Fink, F.M.F. de Groot, G. Kaindl
The distribution of the doped holes in La2-xSrxCu1-yRuyO4-delta, Chemical Physics 282 (2002) Nr. 3, S. 451-463

E. Borowiak-Palen, T. Pichler, X. Liu, M. Knupfer, A. Graff, O. Jost, W. Pompe, R.J. Kalenczuk, J. Fink
Reduced diameter distribution of single-wall carbon nanotubes by selective oxidation, Chemical Physics Letters 363 (2002) Nr. 5-6, S. 567-572

H. Peisert, M. Knupfer, J. Fink
Energy level alignment at organic/metal interfaces: Dipole and ionization potential, Applied Physics Letters 81 (2002) Nr. 13, S. 2400-2402 URL

T. Schwieger, H. Peisert, M.S. Golden, M. Knupfer, J. Fink
Electronic structure of the organic semiconductor copper phthalocyanine and K-CuPc studied using photoemission spectroscopy, Physical Review B 66 (2002) Nr. 15, S. 155207/1-5 URL

R. Niewa, Z. Hu, C. Grazioli, U. Roessler, M.S. Golden, M. Knupfer, J. Fink, H. Giefers, G. Wortmann, F.M.F. de Groot, F.J. DiSalvo
XAS spectra of Ce2[MnN3] at the Ce-M4.5, Ce-L3, Mn-L2.3 and N-K thresholds, Journal of Alloys and Compounds 346 (2002) Nr. 1-2, S. 129-133 URL

S.V. Borisenko, Kordyuk A.A., T.K. Kim, S. Legner, K.A. Nenkov, M. Knupfer, M.S. Golden, J. Fink, H. Berger, R. Follath
Superconducting gap in the presence of bilayer splitting in underdoped (Pb, Bi)2Sr2CaCu2O8+delta, Physical Review B 66 (2002) Nr. 14, S. 140509/1-4 URL

Ranjan K. Sahu, Z. Hu, Manju L. Rao, S. Sundar Manoharan, T. Schmidt, B. Richter, M. Knupfer, M. Golden, J. Fink, C.M. Schneider
X-ray absorption spectra at the Ru and Mn L2,3 edges and long-range ferromagnetism in SrRu1-xMnxO3 solid solutions (0URL

H. Peisert, M. Knupfer, J. Fink
Interface properties of organic semiconductors on technically relevant substrates, Recent Research Developments in Applied Physics 5 (2002), S. 129-154

2001

C. Duerr, S. Legner, R. Hayn, S.V. Borisenko, Z. Hu, A. Teresiak, M. Knupfer, M.S. Golden, J. Fink, F. Ronning, Z.-X. Shen, H. Eisaki, S. Uchida, C. Janowitz, R. Mueller, R.L. Johnson, K. Rossnagel, L. Kipp, G. Reichardt
Angle-resolved photoemission spectroscopy of Sr2CuO2Cl2, Physical Review B 63 (2001) Nr. 1, S. 14505/1-11 URL

J.M. Auerhammer, T. Kim, M. Knupfer, M.S. Golden, J. Fink, N. Tagmatarchis, K. Prassides
Vibrational and electronic excitations of (C59N)2, Solid State Communications 117 (2001) Nr. 12, S. 697-701 URL

C. Grazioli, Z. Hu, M. Knupfer, G. Graw, G. Behr, M.S. Golden, J. Fink, H. Giefers, G. Wortmann, K. Attenkofer
Characteristic temperature dependence of the 4f occupancy in the Kondo system CeSi2, Physical Review B 63 (2001) Nr. 11, S. 115107/1-5 URL

S. Waidmann, M. Knupfer, J. Fink, B. Kleinsorge, J. Robertson
Electronic structure studies of undoped and nitrogen-doped tetrahedral amorphous carbon using high-resolution electron energy-loss spectroscopy, Journal of Applied Physics 89 (2001) Nr. 7, S. 3783-3792 URL

T. Pichler, M. Knupfer, M.S. Golden, J. Fink, T. Cabioc'h
Electronic structure and optical properties of concentric-shell fullerenes from electron-energy-loss spectroscopy in transmission, Physical Review B 63 (2001) Nr. 15, S. 155415/1-5 URL

T. Schwieger, H. Peisert, M. Knupfer, M.S. Golden, J. Fink
Electronic structure of K-intercalated 8-tris-hydroxyquinoline aluminum studied by photoemission spectroscopy, Physical Review B 63 (2001) Nr. 16, S. 165104/1-5 URL

S. Atzkern, M. Knupfer, M.S. Golden, J. Fink, A.N. Yaresko, V.N. Antonov, A. Huebsch, C. Waidacher, K.W. Becker, W. von der Linden, G. Obermeier, S. Horn
One-dimensional dynamics of the d electrons in alpha' - NaV2O5, Physical Review B 63 (2001) Nr. 16, S. 165113/1-13 URL

M. Knupfer, J. Fink, D. Fichou
Strongly confined polaron excitations in charged organic semiconductors, Physical Review B 63 (2001) Nr. 16, S. 165203/1-4 URL

M. Knupfer, E. Zojer, G. Leising, J. Fink
The size of electron-hole pairs in pi-conjugated oligomers, Synthetic Metals 119 (2001) Nr. 1-3, S. 499-502 URL

M. Knupfer
Electronic properties of carbon nanostructures, Surface Science Reports 42 (2001) Nr. 1-2, S. 1-74

X. Liu, T. Pichler, M. Knupfer, M.S. Golden, J. Fink, D.A. Walters, M.J. Casavant, J. Schmidt, R.E. Smalley
An electron energy-loss study of the structural and electronic properties of magnetically aligned single wall carbon nanotubes, Synthetic Metals 121 (2001) Nr. 1-3, S. 1183-1186 URL

H. Peisert, T. Schwieger, M. Knupfer, M.S. Golden, J. Fink
Interface properties of Alq3/TPD on sputter-cleaned ITO, Synthetic Metals 121 (2001) Nr. 1-3, S. 1435-1436 URL

H. Peisert, T. Schwieger, J.M. Auerhammer, M. Knupfer, M.S. Golden, J. Fink, P.R. Bressler, M. Mast
Order on disorder: Copper phthalocyanine thin films on technical substrates, Journal of Applied Physics 90 (2001) Nr. 1, S. 466-469 URL

J. Fink, M. Knupfer, S. Atzkern, M.S. Golden
Electronic correlations in solids, studied using electron energy-loss spectroscopy, Journal of Electron Spectroscopy and Related Phenomena 117-118 (2001), S. 287-309

S. Atzkern, M. Knupfer, M.S. Golden, J. Fink, A. Huebsch, C. Waidacher, K.W. Becker, W. von der Linden, M. Weiden, C. Geibel
Electronic structure of CuGeO3: Charge excitations between zero and one dimension, Physical Review B 64 (2001) Nr. 7, S. 75112/1-9 URL

S.V. Borisenko, A.A. Kordyuk, S. Legner, C. Duerr, M. Knupfer, M.S. Golden, J. Fink, K. Nenkov, D. Eckert, G. Yang, S. Abell, H. Berger, L. Forr, B. Liang, A. Maljuk, C.T. Lin, B. Keimer
Estimation of matrix-element effects and determination of the Fermi surface in Bi2Sr2CaCu2O8+delta systems using angle-scanned photoemission spectroscopy, Physical Review B 64 (2001) Nr. 9, S. 94513/1-13 URL

M.S. Golden, C. Duerr, A. Koitzsch, S. Legner, Z.W. Hu, S. Borisenko, M. Knupfer, J. Fink
The electronic structure of cuprates from high energy spectroscopy, Journal of Electron Spectroscopy and Related Phenomena 117 (2001), S. 203-222

2000

M. Knupfer, J. Fink, E. Zojer, G. Leising, J.L. Bredas
Dynamic structure factor and excitons in TPD, Physical Review B 61 (2000) Nr. 3, S. 1662-1665 URL

E. Zojer, M. Knupfer, Z. Shuai, J.L. Bredas, J. Fink, G. Leising
The quasi-band-structure description of conjugated oligomers, Journal of Physics. Condensed Matter 12 (2000) Nr. 8, S. 1753-1768 URL

M. Knupfer, J. Fink, E. Zojer, G. Leising, D. Fichou
Universal exciton size scaling in pi conjugated systems, Chemical Physics Letters 318 (2000) Nr. 6, S. 585-589

S. Haffner, M. Knupfer, S.R. Krishnakumar, K. Ruck, G. Krabbes, M.S. Golden, J. Fink, R.L. Johnson
Analysis of the first electron-removal states of Ba2Cu3O4Cl2 using polarization dependent angle-resolved photoelectron spectroscopy, The European Physical Journal B 14 (2000) Nr. 2, S. 251-261

S. Waidmann, M. Knupfer, B. Arnold, J. Fink, A. Fleszar, W. Hanke
Local-field effects and anisotropic plasmon dispersion in diamond, Physical Review B 61 (2000) Nr. 15, S. 10149-10153 URL

S.V. Borisenko, M.S. Golden, S. Legner, T. Pichler, C. Duerr, M. Knupfer, J. Fink, G. Yang, S. Abell, H. Berger
Joys and pitfalls of Fermi surface mapping in Bi2Sr2CaCu2O8+delta using angle resolved photoemission, Physical Review Letters 84 (2000) Nr. 19, S. 4453-4456 URL

S. Waidmann, M. Knupfer, J. Fink, B. Kleinsorge, J. Robertson
High-resolution electron energy-loss spectroscopy of undoped and nitrogen-doped tetrahedral amorphous carbon films, Diamond and Related Materials 9 (2000) Nr. 3-6, S. 722-727 URL

S. Atzkern, S.V. Borisenko, M. Knupfer, M.S. Golden, J. Fink, A.N. Yaresko, V.N. Antonov, M. Klemm, S. Horn
Valence-band excitations in V2O5, Physical Review B 61 (2000) Nr. 19, S. 12792-12798 URL

E. Zojer, M. Knupfer, Z. Shuai, J. Fink, J.L. Brdas, H.-H. Hoerhold, J. Grimme, U. Scherf, T. Benincori, G. Leising
Momentum-dependent excitation processes in crystalline and amorphous films of conjugated oligomers, Physical Review B 61 (2000) Nr. 24, S. 16561-16569 URL

E. Zojer, N. Koch, P. Puschnig, F. Meghdadi, A. Niko, R. Resel, C. Ambrosch-Draxl, M. Knupfer, J. Fink, J.L. Brdas, G. Leising
Structure, morphology, and optical properties of highly ordered films of para-sexiphenyl, Physical Review B 61 (2000) Nr. 24, S. 16538-16549 URL

S. Legner, S.V. Borisenko, C. Duerr, T. Pichler, M. Knupfer, M.S. Golden, J. Fink, G. Yang, S. Abell, H. Berger, R. Mueller, C. Janowitz, G. Reichardt
Normal-state Fermi surface of pristine and Pb-doped Bi2Sr2CaCu2O8+delta from angle-resolved photoemission measurements and its photon energy independence, Physical Review B 62 (2000) Nr. 1, S. 154-157 URL

H. Peisert, T. Schwieger, M. Knupfer, M.S. Golden, J. Fink
Interface properties of organic/indium-tin oxide and organic/GeS(001) studied using photoemission spectroscopy, Journal of Applied Physics 88 (2000) Nr. 3, S. 1535-1540 URL

M.S. Golden, M. Knupfer, S. Borisenko, J. Fink
Photoemissionsspektroskopie an Supraleitern, Wissenschaftliche Zeitschrift der TU Dresden 49 (2000) Nr. 1, S. 48-53

S. Atzkern, M. Knupfer, M.S. Golden, J. Fink
Dynamics of a hole in a CuO4 plaquette: Electron energy-loss spectroscopy of Li2CuO2, Physical Review B 62 (2000) Nr. 12, S. 7845-7849 URL

R. Neudert, S.-L. Drechsler, J. Malek, H. Rosner, M. Kielwein, Z. Hu, M. Knupfer, M.S. Golden, J. Fink, N. Nuecker, M. Merz, S. Schuppler, N. Motoyama, H. Eisaki, S. Uchida, M. Domke, G. Kaindl
Four-band extended Hubbard Hamiltonian for the one-dimensional cuprate Sr2CuO3: Distribution of oxygen holes and its relation to strong intersite Coulomb interaction, Physical Review B 62 (2000) Nr. 16, S. 10752-10765 URL

T. Pichler, Z. Hu, C. Grazioli, S. Legner, M. Knupfer, M.S. Golden, J. Fink, F.M.F. de Groot, M.R.C. Hunt, P. Rudolf, R. Follath, Ch. Jung, L., Bruehwiler, P. Kjeldgaard, M. Inakuma, H. Shinohara
Proof for trivalent Sc ions in Sc2@C84 from high-energy spectroscopy, Physical Review B 62 (2000) Nr. 19, S. 13196-13201 URL

M.S. Golden, S.V. Borisenko, S. Legner, T. Pichler, C. Duerr, M. Knupfer, J. Fink, G. Yang, S. Abell, G. Reichardt, R. Mueller, C. Janowitz
The topology of the Fermi surface of Bi2Sr2CaCu2O8-delta from angle resolved photoemission, Physica C 341-348 (2000) Nr. Part IV, S. 2099-2102 URL

1999

O. Jost, A.A. Gorbunov, W. Pompe, T. Pichler, R. Friedlein, M. Knupfer, M. Reibold, H.-D. Bauer, L. Dunsch, M.S. Golden, J. Fink
Diameter grouping in bulk samples of single-walled carbon nanotubes from optical absorption spectroscopy, Applied Physics Letters 75 (1999) Nr. 15, S. 2217-2219 URL

M. Sing, V.G. Grigoryan, G. Paasch, M. Knupfer, J. Fink, B. Lommel, W. Assmus
Plasmon excitations in quasi-one-dimensional K0.3MoO3, Physical Review B 59 (1999) Nr. 8, S. 5414-5425 URL

H. Droege, A. Fleszar, W. Hanke, M. Sing, M. Knupfer, J. Fink, F. Goschenhofer, C.R. Becker, R. Kargerbauer, H.P. Steinrueck
Complex loss function of CdTe, Physical Review B 59 (1999) Nr. 8, S. 5544-5550 URL

T. Pichler, M. Sing, M. Knupfer, M.S. Golden, J. Fink
Potassium intercalated bundles of single-wall carbon nanotubes: electronic structure and optical properties, Solid State Communications 109 (1999) Nr. 11, S. 721-726 URL

M. Knupfer, T. Pichler, M.S. Golden, J. Fink, A. Rinzler, R.E. Smalley
Electron energy-loss spectroscopy studies of single wall carbon nanotubes, Carbon 37 (1999) Nr. 5, S. 733-738 URL

S. Waidmann, K. Bartsch, I. Endler, F. Fontaine, B. Arnold, M. Knupfer, A. Leonhardt, J. Fink
Electron energy-loss spectroscopy in transmission of undoped and doped diamond films, Carbon 37 (1999) Nr. 5, S. 823-827 URL

R. Neudert, M.S. Golden, M. Knupfer, S. Haffner, J. Fink, S.-L. Drechsler, J. Malek, H. Rosner, R. Hayn, K. Ruck, G. Krabbes, W. Stephan, K. Penc, V.Y. Yushankhai, C. Waidacher, J. Richter, K.W. Becker, T. Osafune, N. Motoyama, H. Eisaki, S. Uchida
The electronic structure of one- and two-dimensional cuprates from high-energy spectroscopy, Physica C 317-318 (1999), S. 312-319 URL

M. Sing, V.G. Grigoryan, G. Paasch, M. Knupfer, J. Fink
Plasmon dispersion in quasi-one-dimensional (TaSe4)2I and K0.3MoO3, Synthetic Metals 102 (1999) Nr. 1-3, S. 1591-1594 URL

T. Pichler, J. Winter, C. Grazioli, M.S. Golden, M. Knupfer, P. Kuran, L. Dunsch, J. Fink
The electronic structure of potassium intercalated Tm@C82, Synthetic Metals 103 (1999) Nr. 1-3, S. 2470-2473 URL

T. Pichler, M. Knupfer, M.S. Golden, J. Fink, A. Rinzler, R.E. Smalley
The loss function and optical conductivity of potassium intercalated bundles of single wall carbon nanotubes, Synthetic Metals 103 (1999) Nr. 1-3, S. 2515-2516 URL

R. Hayn, H. Rosner, V.Yu. Yushankhai, S. Haffner, C. Duerr, M. Knupfer, G. Krabbes, M.S. Golden, J. Fink, H. Eschrig
Analysis of the valence-band photoemission spectrum of Sr2CuO2Cl2 along the high-symmetry directions, Physical Review B 60 (1999) Nr. 1, S. 645-658 URL

M. Knupfer, T. Pichler, M.S. Golden, J. Fink, M. Murgia, R.H. Michel, R. Zamboni, C. Taliani
Size of electron-hole pairs in pi-conjugated systems, Physical Review Letters 83 (1999) Nr. 7, S. 1443-1446 URL

M. Sing, A. Soldatov, T. Pichler, B. Sundquist, M. Knupfer, M.S. Golden, J. Fink
Electronic structure studies of pressure-polymerized C60, Synthetic Metals 103 (1999) Nr. 1-3, S. 2454-2455 URL

H. von Lips, Z. Hu, C. Grazioli, S.-L. Drechsler, G. Behr, M. Knupfer, M.S. Golden, J. Fink, H. Rosner, G. Kaindl
Polarization-dependent X-ray absorption spectroscopy of single-crystal YNi2B2C superconductors, Physical Review B 60 (1999) Nr. 16, S. 11444-11448 URL

R. Neudert, H. Rosner, S.-L. Drechsler, M. Kielwein, M. Sing, Z. Hu, M. Knupfer, M.S. Golden, J. Fink, N. Nuecker, M. Merz, S. Schuppler, N. Motoyama, H. Eisaki, S. Uchida, M. Domle, G. Kaindl
Unoccupied electronic structure of Li2CuO2, Physical Review B 60 (1999) Nr. 19, S. 13413-13417 URL

M. Knupfer, J. Fink
Frenkel and charge-transfer excitons in C60, Physical Review B 60 (1999) Nr. 15, S. 10731-10734 URL

M. Sing, R. Neudert, H. von Lips, M.S. Golden, M. Knupfer, J. Fink, R. Claessen, J. Muecke, H. Schmitt, S. Huefner, B. Lommel, W. Assmus, C. Jung, C. Hellwig
Electronic structure of metallic K0.3MoO3 and insulating MoO3 from high-energy spectroscopy, Physical Review B 60 (1999) Nr. 12, S. 8559-8568 URL

S.-L. Drechsler, J. Malek, H. Rosner, R. Neudert, M. Knupfer, M.S. Golden, J. Fink, H. Eschrig, C. Waidacher, R. Hetzel
The hole distribution in cuprate chains, Journal of Low Temperature Physics 117 (1999) Nr. 3/4, S. 407-411 URL

S.-L. Drechsler, H. Rosner, S.V. Shulga, G. Fuchs, H. von Lips, J. Freudenberger, M.S. Golden, M. Knupfer, K.-H. Mueller, L. Schultz, J. Fink, G. Kaindl, H. Eschrig, K. Koepernik
Electronic structure and superconductivity of nonmagnetic transition metal borocarbides, Journal of Low Temperature Physics 117 (1999) Nr. 5/6, S. 1617-1621 URL

1998

S. Haffner, T. Pichler, M. Knupfer, B. Umlauf, R. Friedlein, M.S. Golden, J. Fink, M. Keshavarz-K., C. Bellavia-Lund, A. Sastre, J.C. Hummelen, F. Wudl
The electronic structure of (C59N)2 from high energy spectroscopy, The European Physical Journal B 1 (1998) Nr. 1, S. 11-17

M. Knupfer, J. Fink, E. Zojer, G. Leising, U. Scherf, K. Muellen
Localized and delocalized singlet excitons in ladder-type poly(paraphenylene), Physical Review B 57 (1998) Nr. 8, S. R4203-R4205 URL

S. Haffner, R. Neudert, M. Kielwein, M. Knupfer, M.S. Golden, K. Ruck, G. Krabbes, J. Fink, H. Rosner, R. Hayn, H. Eisaki, S. Uchida, Z. Hu, M. Domke, G. Kaindl
Unoccupied electronic structure of Sr2CuO2Cl2 and Ba2Cu3O4Cl2: Experiment and theory, Physical Review B 57 (1998) Nr. 6, S. 3672-3678 URL

H.C. Schmelz, M.S. Golden, S. Haffner, M. Knupfer, G. Krabbes, J. Fink, H. Rosner, R. Hayn, H. Eschrig, A. Mueller, Ch. Jung, G. Reichardt
Electronic structure of the Cu3O4 plane of Ba2Cu3O4Cl2: Experiment and theory, Physical Review B 57 (1998) Nr. 17, S. 10936-10945 URL

M. Sing, V.G. Grigoryan, G. Paasch, M. Knupfer, J. Fink, H. Berger, F. Lvy
Unusual plasmon dispersion in the quasi-one-dimensional conductor (TaSe4)2I: Experiment and theory, Physical Review B 57 (1998) Nr. 20, S. 12768-12771 URL

T. Pichler, M. Knupfer, M.S. Golden, J. Fink, A. Rinzler, R.E. Smalley
Localized and delocalized electronic states in single-wall carbon nanotubes, Physical Review Letters 80 (1998) Nr. 21, S. 4729-4732 URL

T. Pichler, M. Knupfer, M.S. Golden, T. Boeske, J. Fink, U. Kirbach, P. Kuran, L. Dunsch, C. Jung
The metallofullerene TM-@-C-82 - isomer-selective electronic structure, Applied Physics A 66 (1998) Nr. 3, S. 281-285

J. Fink, T. Pichler, M. Knupfer, M.S. Golden, S. Haffner, R. Friedlein, U. Kirbach, P. Kuran, L. Dunsch
Electronic structure studies of intercalated, hetero and endohedral fullerenes, Carbon 36 (1998) Nr. 5-6, S. 625-631 URL

R. Neudert, M. Knupfer, M.S. Golden, J. Fink, W. Stephan, K. Penc, N. Motoyama, H. Eisaki, S. Uchida
Manifestation of spin-charge separation in the dynamic dielectric response of one-dimensional Sr2CuO3, Physical Review Letters 81 (1998) Nr. 3, S. 657-660 URL

M. Knupfer, K. Widder, M. Sing, O. Knauff, J. Fink
Influence of the core polarization on the dielectric properties of polyvalent metals, The European Physical Journal B 6 (1998) Nr. 3, S. 323-328

1997

T. Boeske, O. Knauff, R. Neudert, M. Kielwein, M. Knupfer, M.S. Golden, J. Fink, H. Eisaki, K. Uchida, K. Okada, A. Kotani
High-resolution X-ray photoemission study of single-crystalline Sr2CuO2Cl2, Physical Review B 56 (1997) Nr. 6, S. 3438-3446 URL

J. Fink, R. Neudert, H.-C. Schmelz, T. Boeske, O. Knauff, S. Haffner, M. Knupfer, M.S. Golden, G. Krabbes, H. Eisaki, S. Uchida
Electronic structure studies of layered copper oxychlorides, Physica B 237-238 (1997) Nr. Juli, S. 93-94 URL

T. Pichler, M. Knupfer, M.S. Golden, J. Fink, u.a.
The electronic structure of polymerized fullerenes and dimerized heterofullerenes, Applied Physics A 64 (1997) Nr. 3, S. 301-305 URL

M. Merz, N. Nuecker, E. Pellegrin, P. Schweiss, S. Schuppler, M. Kielwein, M. Knupfer, M.S. Golden, J. Fink, C.T. Chen, V. Chakarian, Y.U. Idzerda, A. Erb
X-ray absorption spectroscopy of detwinned Prxy1-xBa2Cu3O7-Y, single crystals - electronic structure and hole distribution, Physical Review B 55 (1997) Nr. 14, S. 9160-9172 URL

M. Knupfer, R. Neudert, M. Kielwein, S. Haffner, M.S. Golden, J. Fink, C. Kim, Z.X. Shen, M. Merz, N. Nuecker, S. Schuppler, N. Motoyama, H. Eisaki, S. Uchida, Z. Hu, M. Domle, G. Kaindl
Site-specific unoccupied electronic structure of one-dimensional SrCuO2, Physical Review B 55 (1997) Nr. 12, S. R7291-R7294 URL

T. Pichler, M. Knupfer, M.S. Golden, S. Haffner, R. Friedlein, J. u.a. Fink
On-ball doping of fullerenes - The electronic structure of C59N dimers from experiment and theory, Physical Review Letters 78 (1997) Nr. 22, S. 4249-4252 URL

M.S. Golden, H.C. Schmelz, M. Knupfer, S. Haffner, G. Krabbes, J. Fink, V.Y. Yushankhai, H. Rosner, R. Hayn, A. Mueller, G. Reichardt
Dispersion of a hole in a two-dimensional Cu3O4 plane - A tale of two singlets, Physical Review Letters 78 (1997) Nr. 21, S. 4107-4110 URL

R. Neudert, T. Boeske, O. Knauff, M. Knupfer, M.S. Golden, G. Krabbes, J. Fink, H. Eisaki, S. Uchida
Electron-energy-loss and X-ray photoemission spectroscopy of Sr2CuO2Cl2, Physica B 230-232 (1997) Nr. Febr., S. 847-849 URL

H.C. Schmelz, M. Knupfer, M.S. Golden, O. Knauff, T. Boeske, S. Haffner, G. Krabbes, A. Mueller, G. Reichardt, J. Fink
The electronic structure of the layered cuprate Ba2Cu3O4Cl2, Physica B 230-232 (1997), S. 850-852 URL

T. Pichler, R. Friedlein, S. Haffner, B. Umlauf, M. S. Golden, O. Knauff, H. -D. Bauer, J. Fink, M. Keshavarz-K, C. Bellavia-Lund, A. Sastre, J. C. Hummelen , F. Wudl M. Knupfer
The dielectric function of dimerized C59N, Synthetic Metals 86 (1997) Nr. 1-3, S. 2313-2314 URL

J.F. Armbruster, M. Knupfer, J. Fink
Electron-energy-loss studies of NaxC60 compounds, Zeitschrift fr Physik B 102 (1997) Nr. 1, S. 55-59

M. Knupfer, J. Fink
Mott-Hubbard-like behavior of the energy gap of A4C60 (A=Na, K, RB, Cs) and Na10C60, Physical Review Letters 79 (1997) Nr. 14, S. 2714-2717 URL

T. Pichler, M.S. Golden, M. Knupfer, J. Fink, U. Kirbach, P. Kuran, L. Dunsch
Monometallofullerene Tm@C82: Proof of an encapsulated divalent Tm ion by high-energy spectroscopy, Physical Review Letters 79 (1997) Nr. 16, S. 3026-3029 URL

K. Widder, M. Knupfer, O. Knauff, J. Fink
Plasmon behavior of Zn from electron-energy-loss spectroscopy, Physical Review B 56 (1997) Nr. 16, S. 10154-10160 URL

E. Zojer, M. Knupfer, R. Resel, F. Meghdadi, G. Leising, J. Fink
Momentum-dependent excitations in highly ordered films of para-hexaphenyl, Physical Review B 56 (1997) Nr. 16, S. 10138-10144 URL

1996

M.S. Golden, T. Boeske, M. Kielwein, M. Knupfer, O. Knauff, S. Haffner, G. Behr, J. u.a. Fink
The electronic structure of intermetallic borocarbide and related superconductors from high-energy spectroscopy, Journal of Low Temperature Physics 105 (1996) Nr. 5-6, S. 1617-1622 URL

K. Widder, M. Kielwein, M. Knupfer, J. Fink, D.u.a. Berner
Dielectric properties of YNi2B2C, Journal of Low Temperature Physics 105 (1996) Nr. 5-6, S. 1659-1664 URL

M. Knupfer, O. Knauff, M.S. Golden, J. Fink, M. Burk, D. Fuchs, S. Schuppler, R.H. Michel, M.M. Kappes
Electronic structure of the two C78 isomers with C2v symmetry, Chemical Physics Letters 258 (1996) Nr. 3-4, S. 513-517 URL

M. Knupfer, J. Fink, J.F. Armbruster
Splitting of the electronic states near EF in A4C60 compounds (A=alkali metal), Zeitschrift fuer Physik B 101 (1996) Nr. 1, S. 57-60

T. Boeske, O. Knauff, R. Neudert, M. Knupfer, M.S. Golden, G. Krabbes, J. Fink, H. Eisaki, S. Uchida, K. Okada, A. Kotani
X-ray photoemission and electron-energy-loss spectroscopic studies of Sr2CuO2Cl2, Journal of Low Temperature Physics 105 (1996) Nr. 3-4, S. 335-340 URL

H.C. Schmelz, S. Haffner, M. Knupfer, G. Krabbes, A. Mueller, G. Reichardt, M.S. Golden, J. Fink
Polarization-dependent angle-resolved photoemission of the layered cuprate Ba2Cu3O4Cl2, Journal of Low Temperature Physics 105 (1996) Nr. 3-4, S. 341-346 URL

M. Merz, N. Nuecker, E. Pellegrin, S. Schuppler, M. Kielwein, M. Knupfer, M.S. Golden, J. Fink, C.T. Chen, V. Chakarian, Y.U. Idzerda, A. Erb
X-ray absorption spectroscopy of Prxy1-xBa2Cu3O7-y, Journal of Low Temperature Physics 105 (1996) Nr. 3-4, S. 347-352 URL

O. Knauff, T. Boeske, M. Knupfer, M.S. Golden, G. Krabbes, J. Fink
EELS and XPS investigations of Ba2Cu3O4Cl2, Journal of Low Temperature Physics 105 (1996) Nr. 3-4, S. 353-358 URL

W. Andreoni, P. Giannozzi, J.F. Armbruster, M. Knupfer, J. Fink
Anomalous electronic behavior of Na superfullerides - theory and experiment, Europhysics Letters 34 (1996) Nr. 9, S. 699-704 URL

A.L. Liechtenstein, O. Gunnarsson, M. Knupfer, J. Fink, J.F. Armbruster
Plasmon damping and response function in doped C-60 compounds, Journal of Physics C 8 (1996) Nr. 22, S. 4001-4016 URL

O. Gunnarsson, V. Eyert, M. Knupfer, J. Fink, J.F. Armbruster
Plasmon dispersion in A(3)C(60) (A=k, Rb), Journal of Physics C 8 (1996) Nr. 15, S. 2557-2569 URL

O. Gunnarsson, A.L. Liechtenstein, V. Eyert, M. Knupfer, J. Fink, J.F. Armbruster
Plasmon dispersion and broadening in A(3)C(60) (A=k, Rb), Physical Review B 53 (1996) Nr. 6, S. 3455-3458 URL

T. Boeske, M. Kielwein, M. Knupfer, S.R. Barman, G. Behr, M. Buchgeister, M.S. Golden, J. Fink, D.J. Singh, W.E. Pickett
Core electron spectroscopic studies of YNi2B2C, Solid State Communications 98 (1996) Nr. 9, S. 813-817 URL