Recent Publications

2011 2010 2009 2008 2007 2006 2005 2004

2011

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

S. Aswartham, C. Nacke, G. Friemel, N. Leps, S. Wurmehl, N. Wizent, C. Hess, R. Klingeler, G. Behr, S. Singh, B. Buechner
Single crystal growth and physical properties of superconducting ferro-pnictides Ba(Fe,Co)2As2 grown using self-flux and Bridgman techniques, Journal of Crystal Growth 314 (2011) Nr. 1, S. 341-348 URL

A. Alfonsov, F. Muranyi, V. Kataev, G. Lang, N. Leps, L. Wang, R. Klingeler, A. Kondrat, C. Hess, S. Wurmehl, A. Koehler, G. Behr, S. Hampel, M. Deutschmann, S. Katrych, N.D. Zhigadlo, Z. Bukowski, J. Karpinski, B. Buechner
High-field electron spin resonance spectroscopy study of GdFeAsO1-xFx superconductors, Physical Review B 83 (2011) Nr. 9, S. 94526/1-10 URL

A. Kondrat, G. Behr, B. Buechner, C. Hess
Unusual Nernst effect and spin density wave precursors in superconducting LaFeAsO1-xFx, Physical Review B 83 (2011) Nr. 9, S. 92507/1-4 URL

L. Harnagea, S. Singh, G. Friemel, N. Leps, D. Bombor, M. Abdel-Hafiez, A.U.B. Wolter, C. Hess, R. Klingeler, G. Behr, S. Wurmehl, B. Buechner
Phase diagram of the iron arsenide superconductors Ca(Fe1-xCox)2As2(0 x 0.2), Physical Review B 83 (2011) Nr. 9, S. 94523/1-4 URL

F. Hammerath, S. Nishimoto, H.-J. Grafe, A.U.B. Wolter, V. Kataev, P. Ribeiro, C. Hess, S.-L. Drechsler, B. Buechner
Spin gap in the zigzag spin-1/2 chain cuprate Sr0.9Ca0.1CuO2, Physical Review Letters 107 (2011) Nr. 1, S. 17203/1-4 URL

P. Kumar, A. Bera, D.V.S. Muthu, A. Kumar, U.V. Waghmare, L. Harnagea, C. Hess, S. Wurmehl, S. Singh, B. Buechner, A.K. Sood
Raman evidence for the superconducting gap and spin-phonon coupling in the superconductor Ca(Fe0.95Co0.05)2As2, Journal of Physics / Condensed Matter 23 (2011) Nr. 25, S. 255403/1-6 URL

O. Heyer, T. Lorenz, V.B. Zabolotnyy, D.V. Evtushinsky, S.V. Borisenko, I. Morozov, L. Harnagea, S. Wurmehl, C. Hess, B. Buechner
Resistivity and Hall effect of LiFeAs: Evidence for electron-electron scattering, Physical Review B 84 (2011) Nr. 6, S. 64512/1-6 URL

S. Aswartham, G. Behr, L. Harnagea, D. Bombor, A. Bachmann, I.V. Morozov, V.B. Zabolotnyy, A.A. Kordyuk, T.K. Kim, D.V. Evtushinsky, S.V. Borisenko, A.U.B. Wolter, C. Hess, S. Wurmehl, B. Buechner
Suppressed superconductivity in charge-doped Li(Fe1-xCox)As single crystals, Physical Review B 84 (2011) Nr. 5, S. 54534/1-5 URL

N. Qureshi, Y. Drees, J. Werner, S. Wurmehl, C. Hess, R. Klingeler, B. Buechner, M.T. Fernandez-Diaz, M. Braden
Crystal and magnetic structure of the oxypnictide superconductor LaFeAsO1-xFx: A neutron-diffraction study, Physical Review B 82 (2011) Nr. 18, S. 184521/1-9 URL

S. Ouardi, G.H. Fecher, C. Felser, C.G.F. Blum, D. Bombor, C. Hess, S. Wurmehl, B. Buechner, E. Ikenaga
Transport and thermal properties of single- and polycrystalline NiZr(0.5)Hf(0.5)Sn, Applied Physics Letters 99 (2011) Nr. 15, S. 152112/1-4 URL

N. Hlubek, P. Ribeiro, R. Saint-Martin, S. Nishimoto, A. Revcolevschi, S.-L. Drechsler, G. Behr, J. Trinckauf, J.E. Hamann-Borrero, J. Geck, B. Buechner, C. Hess
Bond disorder and breakdown of ballistic heat transport in the spin-12 antiferromagnetic Heisenberg chain as seen in Ca-doped SrCuO2, Physical Review B 84 (2011) Nr. 21, S. 214419/1-5 URL

2010

N. Hlubek, P. Ribeiro, R. Saint-Martin, A. Revcolevschi, G. Roth, G. Behr, B. Buechner, C. Hess
Ballistic heat transport of quantum spin excitations as seen in SrCuO2, Physical Review B 81 (2010) Nr. 2, S. 20405R/1-4 URL

R. Klingeler, N. Leps, I. Hellmann, A. Popa, U. Stockert, C. Hess, V. Kataev, H.-J. Grafe, F. Hammerath, G. Lang, S. Wurmehl, G. Behr, L. Harnagea, S. Singh, B. Buechner
Local antiferromagnetic correlations in the iron pnictide superconductors LaFeAsO1-xFx and Ca(Fe1-xCox)2As2 as seen via normal-state susceptibility, Physical Review B 81 (2010) Nr. 2, S. 24506/1-5 URL

R. Klingeler, L. Wang, U. Koehler, G. Behr, C. Hess, B. Buechner
Thermal expansion of RFeAsO (R=La,Ce,Pr,Sm,Gd), Journal of Physics: Conference Series 200 (2010), S. 12088/1-4 URL

N.Y. Panarina, Y.I. Talanov, T.S. Shaposhnikova, N.R. Beysengulov, E.L. Vavilova, V.E. Kataev, G. Behr, A. Kondrat, C. Hess, N. Leps, R. Klingeler, B. Buechner
Microwave absorption study of polycrystalline SmO1-xFxFeAs, Journal of Physics: Conference Series 200 (2010), S. 12154/1-4 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

A. Alfonsov, F. Muranyi, V. Kataev, N. Leps, R. Klingeler, A. Kondrat, C. Hess, J. Werner, G. Behr, B. Buechner
High field ESR spectroscopy on GdO1-xFxFeAs, Journal of Low Temperature Physics 159 (2010) Nr. 1-2, S. 172-175 URL

N.Y. Panarina, Y.I. Talanov, T.S. Shaposhnikova, N.R. Beysengulov, E. Vavilova, G. Behr, A. Kondrat, C. Hess, N. Leps, S. Wurmehl, R. Klingeler, V. Kataev, B. Buechner
Pinning effects in ceramic SmO1-xFxFeAs as revealed by microwave absorption, Physical Review B 81 (2010) Nr. 22, S. 224509/1-9 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

N. Hlubek, M. Sing, S. Glawion, R. Claessen, S. van Smaalen, P.H.M. van Loosdrecht, B. Buechner, C. Hess
Heat conductivity of the spin-Peierls compounds TiOCl and TiOBr, Physical Review B 81 (2010) Nr. 14, S. 144428/1-5 URL

A.K. Pramanik, L. Harnagea, S. Singh, S. Aswartham, G. Behr, S. Wurmehl, C. Hess, R. Klingeler, B. Buechner
Critical current and vortex dynamics in single crystals of Ca(Fe1-xCox)2As2, Physical Review B 82 (2010) Nr. 1, S. 14503/1-7 URL

U. Adem, L. Wang, D. Fausti, W. Schottenhamel, P.H.M. van Loosdrecht, A. Vasiliev, L.N. Bezmaternykh, B. Buechner, C. Hess, R. Klingeler
Magnetodielectric and magnetoelastic coupling in TbFe3(BO3)4, Physical Review B 82 (2010) Nr. 6, S. 64406/1-5 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

I. Morozov, A. Boltalin, O. Volkova, A. Vasiliev, O. Kataeva, U. Stockert, M. Abdel-Hafiez, D. Bombor, A. Bachmann, Harnage L., M. Fuchs, H.-J. Grafe, G. Behr, R. Klingeler, S. Borisenko, C. Hess, S. Wurmehl, B. Buechner
Single crystal growth and characterization of superconducting LiFeAs, Crystal Growth and Design 10 (2010) Nr. 10, S. 4429-4432 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

C. Hess, E.M. Ahmed, U. Ammerahl, A. Revcolevschi, B. Buechner
Nernst effect of stripe ordering La1.8-xEu0.2SrxCuO4, The European Physical Journal Special Topics 188 (2010) Nr. 1, S. 103-112

2009

H. Luetkens, H.-H. Klauss, M. Kraken, F. J. Litterst, T. Dellmann, R. Klingeler, C. Hess, R. Khasanov, A. Amato, C. Baines, M. Kosmala, O. J. Schumann, M. Braden, J. Hamann-Borrero, N. Leps, A. Kondrat, G. Behr, J. Werner, B. Buechner
The electronic phase diagram of the LaO1-xFxFeAs superconductor, Nature materials 8 (2009) Nr. 4, S. 305-309 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

Y.G. Ponomarev, S.A. Kuzmichev, M.G. Mikheev, M.V. Sudakova, S.N. Tchesnokov, O.S. Volkova, A.N. Vasiliev, T. Haenke, C. Hess, G. Behr, R. Klingeler, B. Buechner
Andreev spectroscopy of LaFeAsO0.9F0.1, Physical Review B 79 (2009) Nr. 22, S. 224517/1-6 URL

C. Hess, A. Kondrat, A. Narduzzo, J.E. Hamann-Borrero, R. Klingeler, J. Werner, G. Behr, B. Buechner
The intrinsic electronic phase diagram of iron-oxypnictide superconductors, epl 87 (2009) Nr. 1, S. 17005/1-6 URL

G. Urbanik, T. Haenke, C. Hess, B. Buechner, A. Ciszewski, V. Hinkov, C.T. Lin, B. Keimer
Surface of underdoped YBa2Cu3O7-delta as revealed by STM/STS, The European Physical Journal B 69 (2009) Nr. 4, S. 483-489 URL

A. Kondrat, J.E. Hamann-Borrero, N. Leps, M. Kosmala, O. Schumann, A. Koehler, J. Werner, G. Behr, M. Braden, R. Klingeler, B. Buechner, C. Hess
Synthesis and physical properties of LaO1-xFxFeAs, The European Physical Journal B 70 (2009), S. 461-468 URL

B. Buechner, C. Hess
Iron-based superconductors: Vital clues from a basic compound, Nature materials- news and views 8 (2009) Nr. 8, S. 615-616 URL

L. Wang, U. Koehler, N. Leps, A. Kondrat, M. Nale, A. Gasparini, A. de Visser, G. Behr, C. Hess, R. Klingeler, B. Buechner
Thermal expansion of LaFeAsO1-xFx: Evidence for high-temperature fluctuations, Physical Review B 80 (2009) Nr. 9, S. 94512/1-5 URL

H. Maeter, H. Luetkens, Y.G. Pashkevich, A. Kwadrin, R. Khasanov, A. Amato, A.A. Gusev, K.V. Lamonova, D.A. Chervinskii, R. Klingeler, C. Hess, G. Behr, B. Buechner, H.-H. Klauss
Interplay of rare earth and iron magnetism in RFeAsO (R=La, Ce, Pr, and Sm): Muon-spin relaxation study and symmetry analysis, Physical Review B 80 (2009) Nr. 9, S. 94524/1-19 URL

K.E. Metlushka, B.A. Kashemirov, V.F. Zheltukhin, D.N. Sadkova, B. Buechner, C. Hess, O.N. Kataeva, C.E. McKenna, V.A. Alfonsov
1-(alpha-Aminobenzyl)-2-naphthol: A new chiral auxiliary for the synthesis of enantiopure - aminophosphonic acids, Chemistry - A European Journal 15 (2009) Nr. 27, S. 6718-6722

C.G.F. Blum, C.A. Jenkins, J. Barth, C. Felser, S. Wurmehl, G. Friemel, C. Hess, G. Behr, B. Buechner, A. Reller, S. Riegg, S.G. Ebbinghaus, T. Ellis, P.J. Jacobs, J.T. Kohlhepp, H.J.M. Swagten
Highly ordered, half-metallic Co2FeSi single crystals, Applied Physics Letters 95 (2009) Nr. 16, S. 161903/1-3 URL

N. Jenkins, Y. Fasano, C. Berthod, I. Maggio-Aprile, A. Piriou, E. Giannini, B.W. Hoogenboom, C. Hess, T. Cren, O. Fischer
Imaging the essential role of spin fluctuations in high-Tc superconductivity, Physical Review Letters 103 (2009) Nr. 22, S. 227001/1-4 URL

2008

D. Mikhailova, H. Ehrenberg, G. Miehe, D. Trots, C. Hess, R. Schneider, H. Fuess
ScRe2O6: A new ternary oxide with metallic ReRe-bonds and a ferromagnetic component above room temperature, Journal of Solid State Chemistry 181 (2008), S. 190-198 URL

A. Narduzzo, M.S. Grbic, M. Pozek, A. Dulcic, D. Paar, A. Kondrat, C. Hess, I. Hellmann, R. Klingeler, J. Werner, A. Koehler, G. Behr, B. Buechner
Upper critical field, penetration depth, and depinning frequency of the high-temperature superconductor LaFeAsO0.9F0.1 studied by microwave surface impedance, Physical Review B 78 (2008) Nr. 1, S. 12507/1-4 URL

H.-J. Grafe, D. Paar, G. Lang, N.J. Curro, G. Behr, J. Werner, J. Hamann-Borrero, C. Hess, N. Leps, R. Klingeler, B. Buechner
75As NMR studies of superconducting LaFeAsO0.9F0.1, Physical Review Letters 101 (2008) Nr. 4, S. 47003/1-4 URL

H.-H. Klauss, H. Luetkens, R. Klingeler, C. Hess, F.J. Litterst, M. Kraken, M.M. Korshunov, I. Eremin, S.-L. Drechsler, R. Khasanov, A. Amato, J. Hamann-Borrero, N. Leps, A. Kondrat, G. Behr, J. Werner, B. Buechner
Commensurate spin density wave in LaFeAsO: A local probe study, Physical Review Letters 101 (2008) Nr. 7, S. 77005/1-4 URL

H. Luetkens, H.-H. Klauss, R. Khasanov, A. Amato, R. Klingeler, I. Hellmann, N. Leps, A. Kondrat, C. Hess, A. Koehler, G. Behr, J. Werner, B. Buechner
Field and temperature dependence of the superfluid density in LaFeAsO1-xFx superconductors: A muon spin relaxation study, Physical Review Letters 101 (2008) Nr. 9, S. 97009/1-4 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

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

T. Ivek, T. Vuletic, B. Korin-Hamzic, O. Milat, S. Tomic, B. Gorshunov, M. Dressel, J. Akimitsu, Y. Sugiyama, C. Hess, B. Buechner
Crossover in charge transport from one-dimensional copper-oxygen chains to two-dimensional ladders in (La,Y)y(Sr,Ca)14-yCu24O41, Physical Review B 78 (2008) Nr. 20, S. 205105/1-8 URL

2007

S. Notbohm, P. Ribeiro, B. Lake, D.A. Tennant, K.P. Schmidt, G.S. Uhrig, C. Hess, R. Klingeler, G. Behr, B. Buechner, M. Reehuis, R.I. Bewley, C.D. Frost, P. Manuel, R.S. Eccleston
One- and two-triplon spectra of a cuprate ladder, Physical Review Letters 98 (2007) Nr. 2, S. 27403/1-4 URL

C. Hess, H. ElHaes, A. Waske, B. Buechner, C. Sekar, G. Krabbes, F. Heidrich-Meisner, W. Brenig
Linear temperature dependence of the magnetic heat conductivity in CaCu2O3, Physical Review Letters 98 (2007) Nr. 2, S. 27201/1-4 URL

V. Kataev, U. Schaufuss, M. Goiran, R. Klingeler, C. Sekar, G. Krabbes, N. Tristan, A. Waske, C. Hess, S.-L. Drechsler, B. Buechner
The low-dimensional spin magnet CaCu2O3 probed by high-field ESR, Journal of Magnetism and Magnetic Materials 310 (2007), S. 1251-1253 URL

C. Hess, B. Buechner
Magnonhole scattering in La2-xSrxCuO4, Journal of Magnetism and Magnetic Materials 310 (2007), S. e412-e414 URL

E.A. Popova, D.V. Volkov, A.N. Vasiliev, A.A. Demidov, N.P. Kolmakova, I.A. Gudim, L.N. Bezmaternykh, N. Tristan, Y. Skourski, B. Buechner, C. Hess, R. Klingeler
Magnetization and specific heat of TbFe3(BO3)4: Experiment and crystal-field calculations, Physical Review B 75 (2007) Nr. 22, S. 224413/1-5 URL

N. Tristan, R. Klingeler, C. Hess, B. Buechner, E. Popova, I.A. Gudim, L.N. Bezmaternykh
Thermodynamic properties of NdFe3(BO3)4, Journal of Magnetism and Magnetic Materials 316 (2007) Nr. 2, S. e621-e623 URL

A. Waske, C. Hess, B. Buechner, V. Hinkov, C. Lin
Thermal conductivity of underdoped YBa2Cu3Oy, Physica C 460-462 (2007), S. 746-747 URL

R. Klingeler, I. Hellmann, P. Ribeiro, C. Hess, B. Buechner
Magnetization of undoped 2-leg S=1/2 spin ladders in La4Sr10Cu24O41, Physica C 460-462 (2007), S. 464-465 URL

E.A. Popova, N. Tristan, C. Hess, R. Klingeler, B. Buechner, L.N. Bezmaternykh, V.L. Temerov, A.N. Vasiliev
Magnetic and thermal properties of single-crystal NdFe3(BO3)4, Journal of Experimental and Theoretical Physics 105 (2007) Nr. 1, S. 105-107

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

C. Hess
Heat conduction in low-dimensional quantum magnets, The European Physical Journal / Special Topics 151 (2007), S. 73-83

2006

C. Hess, P. Ribeiro, B. Buechner, H. ElHaes, G. Roth, U. Ammerahl, A. Revcolevschi
Magnon heat conductivity and mean free paths in two-leg spin ladders: A model-independent determination, Physical Review B 73 (2006) Nr. 10, S. 104407/1-5 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

2005

C. Hess, C. Baumann, B. Buechner
Scattering processes and magnon thermal conductivity in La5Ca9Cu24O41, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 1, S. 322-325 URL

P. Ribeiro, C. Hess, P. Reutler, G. Roth, B. Buechner
Heat transport in doped SrCuO2, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 1, S. 334-337 URL

C. Baumann, C. Hess, P. Reutler, B. Buechner, A. Revcolevschi
Phonon thermal conductivity in single layered manganites, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 2, S. 937-939 URL

T. Vuletic, T. Ivek, B. Korin-Hamzic, S. Tomic, B. Gorshunov, M. Dressel, C. Hess, B. Buechner, J. Akimitsu
Phase diagrams of (La,Y,Sr,Ca)14Cu24O41: Switching between the ladders and the chains, Journal de Physique IV (Proceedings) 131 (2005), S. 299-304

2004

C. Hess, B. Buechner
Thermal conductivity of doped La2CuO4 as an example for heat transport by optical phonons in complex materials, The European Physical Journal B 38 (2004) Nr. 1, S. 37-41 URL

C. Hess, H. ElHaes, B. Buechner, U. Ammerahl, M. Huecker, A. Revcolevschi
Magnon-Hole Scattering and Charge Order in Sr14xCaxCu24O41, Physical Review Letters 93 (2004) Nr. 2, S. 27005/1-4 URL