Journal Papers, Monographs - last 5 years

2011 2010 2009 2008 2007

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.A. Kordyuk, T.K. Kim, V.B. Zabolotnyy, D.V. Evtushinsky, M. Bauch, C. Hess, B. Buechner, H. Berger, S.V. Borisenko
Photoemission-induced gating of topological insulators, Physical Review B 83 (2011) Nr. 8, S. 81303/1-4 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

J. Fink, V. Soltwisch, J. Geck, E. Schierle, E. Weschke, B. Buechner
Phase diagram of charge order in La1.8-xEu0.2SrxCuO4 from resonant soft x-ray diffraction, Physical Review B 83 (2011) Nr. 9, S. 92503/1-4 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

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

S. Thirupathaiah, E.D.L. Rienks, H.S. Jeevan, R. Ovsyannikov, E. Slooten, J. Kaas, E. van Heumen, S. de Jong, H.A. Duerr, K. Siemensmeyer, R. Follath, P. Gegenwart, M.S. Golden, J. Fink
Dissimilarities between the electronic structure of chemically doped and chemically pressurized iron pnictides from an angle-resolved photoemission spectroscopy study, Physical Review B 84 (2011) Nr. 1, S. 14531/1-7 URL

P.D.C. King, R.C. Hatch, M. Bianchi, R. Ovsyannikov, C. Lupulescu, G. Landolt, B. Slomski, J.H. Dil, D. Guan, J.L. Mi, E.D.L. Rienks, J. Fink, A. Lindblad, S. Svensson, S. Bao, G. Balakrishnan, B.B. Iversen, J. Osterwalder, W. Eberhardt, F. Baumberger, P. Hofmann
Large tunable rashba spin splitting of a two-dimensional electron gas in Bi2Se3, Physical Review Letters 107 (2011) Nr. 9, S. 96802/1-5 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

Y.C. Arango, E. Vavilova, M. Abdel-Hafiez, O. Janson, A.A. Tsirlin, H. Rosner, S.-L. Drechsler, M. Weil, G. Nenert, R. Klingeler, O. Volkova, A. Vasiliev, V. Kataev, B. Buechner
Magnetic properties of the low-dimensional spin-1/2 magnet alpha-Cu2As2O7, Physical Review B 84 (2011) Nr. 13, S. 134430/1-9 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

S. Partzsch, S.B. Wilkins, J.P. Hill, E. Schierle, E. Weschke, D. Souptel, B. Buechner, J. Geck
Observation of electronic ferroelectric polarization in multiferroic YMn2O5, Physical Reviwe Letters 107 (2011) Nr. 5, S. 57201/1-4 URL

2010

E. Borowiak-Palen, A. Steplewska, A. Bachmatiuk, M.H. Ruemmeli, R.K. Kalenczuk
Carbon nanotubes grown with non-ferromagnetic catalysts in alcohol CVD, Materials Science Forum 636-637 (2010), S. 703-708

P. Ayala, R. Arenal, M. Ruemmeli, A. Rubio, T. Pichler
The doping of carbon nanotubes with nitrogen and their potential applications, Carbon 48 (2010), S. 575-586 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

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

V. Kataev, A. Alfonsov, E. Vavilova, A. Podlesnyak, D.I. Khomskii, B. Buechner
Formation of magnetic polarons in lightly Ca doped LaCoO3, Journal of Physics: Conference Series 200 (2010), S. 12080/1-4 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

G. Paasch, S. Scheinert
Charge carrier density of organics with Gaussian density of states: Analytical approximation for the GaussFermi integral , Journal of Applied Physics 107 (2010) Nr. 10, S. 104501/1-4 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

D.V. Evtushinsky, D.S. Inosov, G. Urbanik, V.B. Zabolotnyy, R. Schuster, P. Sass, T. Haenke, C. Hess, B. Buechner, R. Follath, P. Reutler, A. Revcolevschi, A.A. Kordyuk, S.V. Borisenko
Bridging charge-orbital ordering and fermi surface instabilities in half-doped single-layered manganite La0:5Sr1:5MnO4, Physical Review Letters 105 (2010) Nr. 14, S. 147201/1-4 URL

A. Varykhalov, M.R. Scholz, T.K. Kim, O. Rader
Effect of noble-metal contacts on doping and band gap of graphene, Physical Review B 82 (2010) Nr. 12, S. 121101/1-4 URL

S. de Jong, E. van Heumen, S. Thirupathaiah, R. Huisman, F. Massee, J.B. Goedkoop, R. Ovsyannikov, J. Fink, H.A. Duerr, A. Gloskovskii, H.S. Jeevan, P. Gegenwart, A. Erb, L. Patthey, M. Shi, R. Follath, A. Varykhalov, M.S. Golden
Droplet-like Fermi surfaces in the anti-ferromagnetic phase of EuFe2As2, an Fe-pnictide superconductor parent compound, epl 89 (2010), S. 27007/1-6 URL

S. Thirupathaiah, S. de Jong, R. Ovsyannikov, H.A. Duerr, A. Varykhalov, R. Follath, Y. Huang, R. Huisman, M.S. Golden, Y.-Z. Zhang, H.O. Jeschke, R. Valenti, A. Erb, A. Gloskovskii, J. Fink
Orbital character variation of the Fermi surface and doping dependent changes of the dimensionality in BaFe2-xCoxAs2 from angle-resolved photoemission spectroscopy, Physical Review B 81 (2010) Nr. 10, S. 104512/1-7 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

J.H. Warner, M.H. Ruemmeli, T. Gemming, B. Buechner, G.A.D. Briggs
Direct imaging of rotational stacking faults in few layer graphene, Nano Letters 9 (2009) Nr. 1, S. 102-106 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

H. Shiozawa, T. Pichler, C. Kramberger, M. Ruemmeli, D. Batchelor, Z. Liu, K. Suenaga, H. Kataura, S.R.P. Silva
Screening the missing electron: nanochemistry in action, Physical Review Letters 102 (2009) Nr. 4, S. 46804/1-4 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

S. Scheinert, G. Paasch
Interdependence of contact properties and field- and density-dependent mobility in organic field-effect transistors, Journal of Applied Physics 105 (2009) Nr. 1, S. 14509/1-9 URL

G. Paasch, B.M. Grafov
Thermodynamics of interface elasticity, Russian Journal of Electrochemistry (Elektrokhimiya) 45 (2009) Nr. 1, S. 73-80

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

M. Bystrzejewski, M.H. Ruemmeli, T. Gemming, T. Pichler, A. Huczko, H. Lange
Functionalizing single-wall carbon nanotubes in hollow cathode glow discharges, Plasma Chemistry and Plasma Processing 29 (2009) Nr. 2, S. 79-90

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

D.S. Inosov, D.V. Evtushinsky, V.B. Zabolotnyy, A.A. Kordyuk, B. Buechner, R. Follath, H. Berger, S.V. Borisenko
Temperature-dependent fermi surface of 2H-TaSe2 driven by competing density wave order fluctuations, Physical Review B 79 (2009) Nr. 12, S. 125112/1-5 URL

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. Bystrzejewski, A. Huczko, P. Byszewski, M. Domanska, M.H. Ruemmeli, T. Gemming, H. Lange
Systematic studies on carbon nanotubes synthesis from aliphatic alcohols by the CVD floating catalyst method, Fullerenes, Nanotubes and Carbon Nanostructures 17 (2009) Nr. 3, S. 298-307

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

A. Grueneis, K. Kummer, D.V. Vyalikh
Dynamics of graphene growth on a metal surface: a time-dependent photoemission study, New Journal of Physics 11 (2009) Nr. 7, S. 73050/1-9 URL

J.H. Warner, Y. Ito, M.H. Ruemmeli, T. Gemming, B. Buechner, H. Shinohara, G.A.D. Briggs
One-dimensional confined motion of single metal atoms inside double-walled carbon nanotubes, Physical Review Letters 102 (2009) Nr. 19, S. 195504/1-4 URL

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

E. Borowiak-Palen, M.H. Ruemmeli
Activated Cu catalysts for alcohol CVD synthesized non-magnetic bamboo-like carbon nanotubes and branched bamboo-like carbon nanotubes, Superlattices and Microstructures 46 (2009), S. 374-378 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

J.H. Warner, F. Schaeffel, G. Zhong, M.H. Ruemmeli, B. Buechner, J. Robertson, G.A.D. Briggs
Investigating the diameter-dependent stability of single-walled carbon nanotubes, ACS nano 3 (2009) Nr. 6, S. 1557-1563 URL

M. Bystrzejewski, H.W. Huebers, A. Huczko, T. Gemming, B. Buechner, M.H. Ruemmeli
Bulk synthesis of carbon nanocapsules and nanotubes containing magnetic nanoparticles via low energy laser pyrolysis of ferrocene, Materials Letters 63 (2009) Nr. 21, S. 1767-1770 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

T. Dahm, V. Hinkov, S.V. Borisenko, A.A. Kordyuk, V.B. Zabolotnyy, J. Fink, B. Buechner, D.J. Scalapino, W. Hanke, B. Keimer
Strength of the spin-fluctuation-mediated pairing interaction in a high-temperature superconductor, Nature physics 5 (2009) Nr. 3, S. 217-221 URL

S.V. Borisenko, A.A. Kordyuk, V.B. Zabolotnyy, D.S. Inosov, D. Evtushinsky, B. Buechner, A.N. Yaresko, A. Varykhalov, R. Follath, W. Eberhardt, L. Patthey, H. Berger
Two energy gaps and fermi-surface Arcs in NbSe2, Physical Review Letters 102 (2009) Nr. 16, S. 166402/1-4 URL

V.B. Zabolotnyy, A.A. Kordyuk, D.S. Inosov, D.V. Evtushinsky, R. Schuster, B. Buechner, N. Wizent, G. Behr, S. Pyon, T. Takayama, H. Takagi, R. Follath, S.V. Borisenko
Evidence for fermi surface reconstruction in the static stripe phase of La1.8-xEu0.2SrxCuO4, x = 1/8, epl 86 (2009), S. 47005/1-6 URL

P. Chaudhuri, V. Kataev, B. Buechner, H.-H. Klauss, B. Kersting, F. Meyer
Tetranuclear complexes in molecular magnetism: Targeted synthesis, high-field EPR and pulsed-field magnetization, Coordination Chemistry Reviews 253 (2009) Nr. 19-21, S. 2261-2285 URL

A. Grueneis, C. Attaccalite, A. Rubio, D.V. Vyalikh, S.L. Molodtsov, J. Fink, R. Follath, W. Eberhardt, B. Buechner, T. Pichler
Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene, Physical Review B 80 (2009) Nr. 7, S. 75431/1-5 URL

J.H. Warner, M.H. Ruemmeli, L. Ge, T. Gemming, B. Montanari, N.M. Harrison, B. Buechner, G.A.D. Briggs
Structural transformations in graphene studied with high spatial and temporal resolution, Nature naotechnology 4 (2009) Nr. 8, S. 500-504 URL

A. Grueneis, C. Attaccalite, A. Rubio, D.V. Vyalikh, S.L. Molodtsov, J. Fink, R. Follath, W. Eberhardt, B. Buechner, T. Pichler
Electronic structure and electron-phonon coupling of doped graphene layers in KC8, Physical Review B 79 (2009) Nr. 20, S. 205106/1-9 URL

A. Grueneis, J. Serrano, A. Bosak, M. Lazzeri, S.L. Molodtsov, L. Wirtz, C. Attaccalite, M. Krisch, A. Rubio, F. Mauri, T. Pichler
Phonon surface mapping of graphite: Disentangling quasi-degenerate phonon dispersions, Physical Review B 80 (2009) Nr. 8, S. 85423/1-5 URL

G. Paasch, S. Scheinert
Space-charge-limited currents in organics with trap distributions: Analytical approximations versus numerical simulation, Journal of Applied Physics 106 (2009) Nr. 8, S. 84502/1-9 URL

J.H. Warner, Y. Ito, M.H. Ruemmeli, B. Buechner, H. Shinohara, G.A.D. Briggs
Capturing the motion of molecular nanomaterials encapsulated within carbon nanotubes with ultrahigh temporal resolution, ACS nano 3 (2009) Nr. 10, S. 3037-3044 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

P. Lukaszczuk, E. Borowiak-Palen, M.H. Ruemmeli, R.J. Kalenczuk
Single-walled carbon nanotubes modified by PFO: An optical absorption and Raman spectroscopic investigation, Physica Status Solidi B 246 (2009) Nr. 11-12, S. 2699-2703 URL

S. Costa, B. Scheibe, M.H. Ruemmeli, E. Borowiak-Palen
Raman spectroscopy study on concentrated acid treated carbon nanotubes, Physica Status Solidi B 246 (2009) Nr. 11-12, S. 2717-2720 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

I.A. Nekrasov, N.S. Pavlov, E.Z. Kuchinskii, M.V. Sadovskii, Z.V. Pchelkina, V.B. Zabolotnyy, J. Geck, B. Buechner, S.V. Borisenko, D.S. Inosov, A.A. Kordyuk, M. Lambacher, A. Erb
Electronic structure of Pr2-xCexCuO4 studied via ARPES and LDA+DMFT+ sigma k, Physical Review B 80 (2009) Nr. 14, S. 140510(R)/1-4 URL

A.I. Popa, E. Vavilova, Y.C. Arango, V. Kataev, C. Taeschner, H.-H. Klauss, H. Maeter, H. Luetkens, B. Buechner, R. Klingeler
High-temperature ferromagnetism of Li-doped vanadium oxide nanotubes, epl 88 (2009), S. 57002/1-5 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

M. Loeffler, M.H. Ruemmeli, C. Kramberger, E. Borowiak-Palen, R. Klingeler, T. Gemming, B. Buechner, T. Pichler
On the formation of single-walled carbon nanotubes in pulsed-laser-assisted chemical vapor deposition, Chemistry of Materials 20 (2008) Nr. 1, S. 128-134 URL

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

P. Ayala, A. Grueneis, D. Grimm, C. Kramberger, R. Engelhard, M. Ruemmeli, J. Schumann, R. Kaltofen, B. Buechner, C. Schaman, H. Kuzmany, T. Gemming, A. Barreiro, T. Pichler
Cyclohexane triggers staged growth of pure and vertically aligned single wall carbon nanotubes, Chemical Physics Letters 454 (2008) Nr. 4-6, S. 332-336 URL

M. Bystrzejewski, A. Huczko, H. Lange, W.W. Plotczyk, R. Stankiewicz, T. Pichler, T. Gemming, M.H. Ruemmeli
A continuous synthesis of carbon nanotubes by dc thermal plasma jet, Applied Physics A 91 (2008) Nr. 2, S. 223-228

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. Grueneis, D.V. Vyalikh
Tunable hybridization between electronic states of graphene and a metal surface, Physical Review B 77 (2008) Nr. 19, S. 193401/1-4 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

H. Shiozawa, T. Pichler, A. Grueneis, R. Pfeiffer, H. Kuzmany, Z. Liu, K. Suenaga, H. Kataura
A catalytic reaction inside a single-walled carbon nanotube, Advanced Materials 20 (2008) Nr. 8, S. 1443-1449 URL

A.R. Biris, D. Lupu, A. Grueneis, P. Ayala, M.H. Ruemmeli, T. Pichler, Z. Li, Y. Xu, I. Misan, E. Dervishi, A.S. Biris
High-Quality double-walled carbon nanotubes grown by a cold-walled radio frequency chemical vapor deposition process, Chemistry of Materials 20 (2008), S. 3466-3472 URL

M.H. Ruemmeli, F. Schaeffel, M. Loeffler, C. Kramberger, D. Adebimpe, T. Gemming, P. Ayala, B. Rellinghaus, L. Schultz, B. Buechner, T. Pichler
Unifying catalyst size dependencies in floating catalyst and supported catalyst carbon nanotube synthesis, Physica Status Solidi A 205 (2008) Nr. 6, S. 1386-1390 URL

E. Borowiak-Palen, A. Bachmatiuk, M.H. Ruemmeli, T. Gemming, M. Kruszynska, R.J. Kalenczuk
Modifying CVD synthesised carbon nanotubes via the carbon feed rate, Physica E 40 (2008), S. 2227-2230 URL

A. Bachmatiuk, R.J. Kalenczuk, M.H. Ruemmeli, T. Gemming, E. Borowiak-Palen
Preparation of ultra-large-scale catalysts for catalytic vapour deposition of carbon nanotubes, Materials Science-Poland 26 (2008) Nr. 1, S. 105-111 URL

J.C.G. Jeynes, C. Jeynes, K.J. Kirkby, M. Ruemmeli, S.R.P. Silva
RBS/EBS/PIXE measurement of single-walled carbon nanotube modification by nitric acid purification treatment, Nuclear Instruments and Methods in Physics Research B 266 (2008) Nr. 8, S. 1569-1573 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. Bystrzejewski, M.H. Ruemmeli, H. Lange, A. Huczko, P. Baranowski, T. Gemming, T. Pichler
Single-walled carbon nanotubes synthesis: A direct comparison of laser ablation and carbon arc routes, Journal of Nanoscience and Nanotechnology 8 (2008) Nr. 11, S. 1-9

M. Bystrzejewski, A. Huczko, H. Lange, P. Baranowski, W. Kaszuwara, S. Cudzilo, E. Kowalska, M.H. Ruemmeli, T. Gemming
Carbon-encapsulated magnetic nanoparticles spontaneously formed by thermolysis route, Fullerenes, Nanotubes and Carbon Nanostructures 16 (2008) Nr. 4, S. 217-230

V. Arpiainen, V. Zalobotnyy, A.A. Kordyuk, S.V. Borisenko, M. Lindroos
Angular dependence of circular dichroism in Pb-doped and pristine Bi2Sr2CaCu2O8+delta, Physical Review B 77 (2008) Nr. 2, S. 24520/1-6 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

M.H. Ruemmeli, F. Schaeffel, T. de los Arcos, D. Haberer, A. Bachmatiuk, C. Kramberger, P. Ayala, E. Borowiak-Palen, D. Adebimpe, T. Gemming, A. Leonhardt, B. Rellinghaus, L. Schultz, T. Pichler, B. Buechner
On the graphitisation role of oxide supports in carbon nanotube CVD synthesis, Physica Status Solidi B 245 (2008) Nr. 10, S. 1939-1942 URL

F. Simon, M. Galambos, D. Quintavalle, B. Nafradi, L. Forro, J. Koltai, V. Zolyomi, J. Kuerti, N.M. Nemes, M.H. Ruemmeli, H. Kuzmany, T. Pichler
Electron spin resonance in alkali doped SWCNTs, Physica Status Solidi B 245 (2008) Nr. 10, S. 1975-1978 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

S. Costa, E. Borowiak-Palen, A. Bachmatiuk, M.H. Ruemmeli, T. Gemming, R.J. Kalenczuk
Iron filled carbon nanostructures from different precursors, Energy Conversion and Management 49 (2008) Nr. 9, S. 2483-2486 URL

P. Ayala, M.H. Ruemmeli, T. Gemming, E. Kauppinen, H. Kuzmany, T. Pichler
CVD growth of single-walled B-doped carbon nanotubes, Physica Status Solidi B 245 (2008) Nr. 10, S. 1935-1938 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

R. Pfeiffer, H. Peterlik, H. Kuzmany, F. Simon, K. Pressl, P. Knoll, M.H. Ruemmeli, H. Shiozawa, H. Muramatsu, Y.A. Kim, T. Hayashi, M. Endo
A detailed comparison of CVD grown and precursor based DWCNTs, Physica Status Solidi B 245 (2008) Nr. 10, S. 1943-1946 URL

L. Ciric, K. Pierzchala, A. Sienkiewicz, A. Magrez, B. Nafradi, D. Alexander, J. Warner, H. Shinohara, M.H. Ruemmeli, T. Pichler, G.A.D. Briggs, L. Forro
La@C82 as a spin-active filling of SWCNTs: ESR study of magnetic and photophysical properties , Physica Status Solidi B 245 (2008) Nr. 10, S. 2042-2046 URL

A. Grueneis, C. Attaccalite, A. Rubio, S.L. Molodtsov, D.V. Vyalikh, J. Fink, R. Follath, T. Pichler
Preparation and electronic properties of potassium doped graphite single crystals, Physica Status Solidi B 245 (2008) Nr. 10, S. 2072-2076 URL

M. Bystrzejewski, H. Lange, A. Huczko, P. Baranowski, H.-W. Huebers, T. Gemming, T. Pichler, B. Buechner, M.H. Ruemmeli
One-step catalyst-free generation of carbon nanospheres via laser-induced pyrolysis of anthracene, Journal of Solid State Chemistry 181 (2008), S. 2796-2803 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

M. Bystrzejewski, R. Schoenfelder, G. Cuniberti, H. Lange, A. Huczko, T. Gemming, T. Pichler, B. Buechner, M. Ruemmeli
Exposing multiple roles of H2O in high-temperature enhanced carbon nanotube synthesis, Chemistry of Materials 20 (2008), S. 6586-6588 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

A. Grueneis, C. Attaccalite, L. Wirtz, H. Shiozawa, R. Saito, T. Pichler, A. Rubio
Tight-binding description of the quasiparticle dispersion of graphite and few-layer graphene, Physical Review B 78 (2008) Nr. 20, S. 205425/1-16 URL

D. Placha, G.S. Martynkova, M.H. Ruemmeli
Preparation of organovermiculites using HDTMA: Structure and sorptive properties using naphthalene, Journal of Colloid and Interface Science 327 (2008) Nr. 2, S. 341-347 URL

P. Ayala, W. Plank, A. Grueneis, E.I. Kauppinen, M.H. Ruemmeli, H. Kuzmany, T. Pichler
A one step approach to B-doped single-walled carbon nanotubes, Journal of Materials Chemistry 18 (2008), S. 5676-5681 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

D.S. Inosov, V.B. Zabolotnyy, D.V. Evtushinsky, A.A. Kordyuk, B. Buechner, R. Follath, H. Berger, S.V. Borisenko
Fermi surface nesting in several transition metal dichalcogenides, New Journal of Physics 10 (2008) Nr. 12, S. 125027/1-10 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

A. Barreiro, C. Kramberger, M.H. Ruemmeli, A. Grueneis, D. Grimm, S. Hampel, T. Gemming, B. Buechner, A. Bachtold, T. Pichler
Control of the single wall carbon nanotube mean diameter in sulphur promoted aerosol-assisted chemical vapour deposition, Carbon 45 (2007) Nr. 1, S. 55-61 URL

X. Lin, M.H. Ruemmeli, T. Gemming, T. Pichler, D. Valentin, G. Ruani, C. Taliani
Single-wall carbon nanotubes prepared with different kinds of NiCo catalysts: Raman and optical spectrum analysis, Carbon 45 (2007) Nr. 1, S. 196-202 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

P. Ayala, A. Grueneis, T. Gemming, D. Grimm, C. Kramberger, M.H. Ruemmeli, F.L. Freire, H. Kuzmany, R. Pfeiffer, A. Barreiro, B. Buechner, T. Pichler
Tailoring N-doped single and double wall carbon nanotubes from a nondiluted carbon/nitrogen feedstock, The Journal of Physical Chemistry C 111 (2007) Nr. 7, S. 2879-2884 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

J. Geck, P. Wochner, S. Kiele, P. Reutler, A. Revcolevschi, B. Buechner
Octahedral tilts and electronic correlations in La7/8Sr1/8MnO3, Physical Review B 75 (2007) Nr. 1, S. 14405/1-6 URL

T. Pichler
Molecular nanostructures: Carbon ahead, Nature materials 6 (2007), S. 332-333 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

A. Bachmatiuk, E. Borowiak-Palen, M.H. Ruemmeli, C. Kramberger, H.W. Huebers, T. Gemming, T. Pichler, R.J. Kalenczuk
Facilitating the CVD synthesis of seamless double-walled carbon nanotubes, Nanotechnology 18 (2007) Nr. 27, S. 275610/1-5 URL

M. Bystrzejewski, M.H. Ruemmeli
Novel nanomaterials for prospective biomedical applications: Synthesis, structure and toxicity, Polish Journal of Chemistry 81 (2007), S. 1219-1255

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

A. Bourgeois, A.A. Aligia, T. Kroll, M.D. Nunez-Regueiro
Electronic structure and Fermi-surface topology of NaxCoO2, Physical Review B 75 (2007) Nr. 17, S. 174518/1-5 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

M.H. Ruemmeli, C. Kramberger, M. Loeffler, O. Jost, M. Bystrzejewski, A. Grueneis, T. Gemming, W. Pompe, B. Buechner, T. Pichler
Catalyst volume to surface area constraints for nucleating carbon nanotubes, The Journal of Physical Chemistry B 111 (2007) Nr. 28, S. 8234-8241 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

M.H. Ruemmeli, C. Kramberger, A. Grueneis, A. Ayala, T. Gemming, B. Buechner, T. Pichler
On the graphitization nature of oxides for the formation of carbon nanostructures, Chemistry of Materials 19 (2007) Nr. 17, S. 4105-4107 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. Schoenfelder, M.H. Ruemmeli, W. Gruner, M. Loeffler, J. Acker, V. Hoffmann, T. Gemming, B. Buechner, T. Pichler
Purification-induced sidewall functionalization of magnetically pure single-walled carbon nanotubes, Nanotechnology 18 (2007) Nr. 37, S. 375601/1-8 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

R. Macovez, P. Rudolf, I. Marenne, L. Kjeldgaard, P.A. Bruehwiler, T. Pichler, P. Vilmercati, R. Larciprete, L. Petaccia, G. Bertoni, A. Goldoni
Electronic surface reconstruction and correlation in the fcc and dimer phases of RbC60, Physical Review B 75 (2007) Nr. 19, S. 195424/1-9 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

M.H. Ruemmeli, C. Kramberger, F. Schaeffel, E. Borowiak-Palen, T. Gemming, B. Rellinghaus, O. Jost, M. Loeffler, P. Ayala, T. Pichler, R.J. Kalenczuk
Catalyst size dependencies for carbon nanotube synthesis, Physica Status Solidi B 244 (2007) Nr. 11, S. 3911-3915 URL

A. Bachmatiuk, E. Borowiak-Palen, M.H. Ruemmeli, T. Gemming, R.J. Kalenczuk
Influence of the substrate loading on the quality and diameter distribution of SWCNT in alcohol-CVD, Physica Status Solidi B 244 (2007) Nr. 11, S. 3925-3929 URL

P. Ayala, F.L. jr. Freire, M.H. Ruemmeli, A. Grueneis, T. Pichler
Chemical vapor deposition of functionalized single-walled carbon nanotubes with defined nitrogen doping, Physica Status Solidi B 244 (2007) Nr. 11, S. 4051-4055 URL

R. Pfeiffer, H. Peterlik, H. Kuzmany, H. Shiozawa, A. Grueneis, T. Pichler, H. Kataura
Growth mechanisms of inner-shell tubes in double-wall carbon nanotubes, Physica Status Solidi B 244 (2007) Nr. 11, S. 4097-4101 URL

H. Shiozawa, T. Pichler, R. Pfeiffer, H. Kuzmany, H. Kataura
Ferrocene encapsulated in single-wall carbon nanotubes: a precursor to secondary tubes, Physica Status Solidi B 244 (2007) Nr. 11, S. 4102-4105 URL

S. Costa, E. Borowiak-Palen, A. Bachmatiuk, M.H. Ruemmeli, T. Gemming, R.J. Kalenczuk
Filling of carbon nanotubes for bio-applications, Physica Status Solidi B 244 (2007) Nr. 11, S. 4315-4318 URL

P. Ayala, A. Grueneis, T. Gemming, B. Buechner, M.H. Ruemmeli, D. Grimm, J. Schumann, R. Kaltofen, F.L. Freire, H.D. Fonseca Filho, T. Pichler
Influence of the catalyst hydrogen pretreatment on the growth of vertically aligned nitrogen-doped carbon nanotubes, Chemical Materials 19 (2007), S. 6131-6137 URL

C. Kramberger, H. Shiozawa, H. Rauf, A. Grueneis, M.H. Ruemmeli, T. Pichler, B. Buechner, D. Batcherlor, E. Einarsson, S. Maruyama
Anisotropy in the X-ray absorption of vertically aligned single wall carbon nanotubes, Physica Status Solidi B 244 (2007) Nr. 11, S. 3978-3981 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

A.A. Kordyuk, V.B. Zabolotnyy, D.S. Inosov, S.V. Borisenko
From tunneling to photoemission: Correlating two spaces, Journal of Electron Spectroscopy and Related Phenomena 159 (2007) Nr. 1-3, S. 91-93 URL

M.H. Ruemmeli, F. Schaeffel, C. Kramberger, T. Gemming, A. Bachmatiuk, R.J. Kalenczuk, B. Rellinghaus, B. Buechner, T. Pichler
Oxide-driven carbon nanotube growth in supported catalyst CVD, Journal of the American Chemical Society 129 (2007) Nr. 51, S. 15772-15773 URL

A. Bachmatiuk, M.H. Ruemmeli, E. Borowiak-Palen
Synthesis and spectroscopic characterization of nitrogen-doped multi-walled carbon nanotubes (in polish), Przemysl chemiczny w Polsce = Chemical Industry in Poland 86 (2007) Nr. 9, S. 898-900

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

P. Ayala, A. Grueneis, C. Kramberger, M.H. Ruemmeli, I.G. Solorzano, F.L. Freire jr., T. Pichler
Effects of the reaction atmosphere composition on the synthesis of single and multiwalled nitrogen-doped nanotubes, The Journal of Chemical Physics 127 (2007) Nr. 18, S. 184709/1-6 URL

A. Bourgeois, A.A. Aligia, T. Kroll, M.D. Nunez-Regueiro
Quasiparticle dispersion near the Fermi surface in NaxCoO2, Physica C 460-462 (2007), S. 497-498 URL

A. Vyalikh, T. Emmler, I. Shenderovich, Y. Zeng, G.H. Findenegg, G. Buntkowsky
2H-solid state NMR and DSC study of isobutyric acid in mesoporous silica materials, Physical Chemistry Chemical Physics 9 (2007), S. 2249-2257 URL

E. Einarsson, H. Shiozawa, C. Kramberger, M.H. Ruemmeli, A. Grueneis, T. Pichler, S. Maruyama
Revealing the small-bundle internal structure of vertically aligned single-walled carbon nanotube films, The Journal of Physical Chemistry C 111 (2007) Nr. 48, S. 17861-17864 URL

A. Grueneis, T. Pichler, H. Shiozawa, C. Attaccalite, L. Wirtz, S.L. Molodtsov, R. Follath, R. Weber, A. Rubio
Low energy quasiparticle dispersion of graphite by angle-resolved photoemission spectroscopy, Physica Status Solidi B 244 (2007) Nr. 11, S. 4129-4133 URL