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Articles

2017

  • Carl Rischau, Xiao Lin, Christoph Grams, Dennis Finck, Steffen Harms, Johannes Engelmayer, Thomas Lorenz, Yann Gallais, Benoit Fauqué, Joachim Hemberger and Kamran Behnia
    A ferroelectric quantum phase transition inside the superconducting dome of Sr$_{1-x}$Ca$_{x}$TiO$_{3-\delta}$
    Accepted, Nature Physics, (2017)

2016

  • S. Holbein, M. Ackermann, L. Chapon, P. Steffens, A. Gukasov, A. Sazonov, O. Breunig, Y. Sanders, P. Becker, L. Bohaty, T. Lorenz and M. Braden
    Strong magnetoelastic coupling at the transition from harmonic to anharmonic order in NaFe(WO4)2 with 3d5 configuration
    Phys. Rev. B, 94, 104423, (2016). arXiv:1609.01849 [PDF, 4648 kB]

2015

2014

2013

2012

  • T. Willers, D.T. Adroja, B.D. Rainford, Z. Hu, N. Hollmann, P. O. Körner, Y.-Y. Chin, D. Schmitz, H. H. Hsieh, H.-J. Lin, C. T. Chen, E.D. Bauer, J.L.Sarrao, K.J. McClellan, D. Byler, C. Geibel, F. Steglich, H. Aoki, P. Lejay, A. Tanaka, L. H. Tjeng and A. Severing
    Spectroscopic determination of crystal-field levels in CeRh2Si2 and CeRu2Si2 and of the 4f0 contributions in CeM2Si2 with M = (Cu, Ru, Rh, Pd, and Au)
    Phys. Rev. B, 85, 035117, 8, (2012)
  • A C. Komarek, M. Reuther, T. Lorenz, A. Cousson, P. Link, W. Morgenroth, D. Trots, C. Baehtz and M. Braden
    Evidence for charge and orbital order in the doped titanates RE(1-x)CaxTiO3 (RE=Y, Er, Lu)
    Submitted, Phys. Rev. Lett., (2012). arXiv:1109.0234
  • G. Kolland, O. Breunig, M. Valldor, M. Hiertz, J. Frielingsdorf and T. Lorenz
    Thermal conductivity and specific heat of the spin-ice compound Dy2 Ti2 O7 : Experimental evidence for monopole heat transport
    Phys. Rev. B, 86, 060402(R), (2012). arXiv:1205.5700 [PDF, 358 kB]
  • Z. Hu, Hua Wu, T.C. Koethe, S.N. Barilo, S.V. Shiryaev, G.L. Bychkov, C. Schüßler-Langeheine, T. Lorenz, A. Tanaka, H.H. Hsieh, H-J. Lin, C.T. Chen, N.B. Brookes, S. Agrestini, Y-Y. Chin, M. Rotter and L.H. Tjeng
    Spin-state order/disorder and metal insulator transition in GdBaCo$_2$O$_{5.5}$: experimental determination of the underlying electronic structure
    New J. Phys., 14, 123025, (2012)
  • F. Strigari, T. Willers, Y. Muro, K. Yutani, T. Takabatake, Z. Hu, Y.-Y. Chin, S. Agrestini, H.-J. Lin, C. T. Chen, A. Tanaka, M. W. Haverkort, L. H. Tjeng and A. Severing
    Crystal-field ground state of the orthorhombic Kondo insulator CeRu2Al10
    Phys. Rev. B, 86, 081105(R), (2012). arXiv:1208.2842
  • T. Willers, F. Strigari, N. Hiraoka, Y. Q. Cai, M. W. Haverkort, K.-D. Tsuei, Y.F. Liao, S. Seiro, C. Geibel, F. Steglich, L. H. Tjeng and A. Severing
    Determining the in-plane orientation of the ground-state orbital of CeCu2Si2
    Phys. Rev. Lett., 109, 046401, (2012). arXiv:1205.1915

2011

  • T. Willers, J. C. Cezar, N. B. Brookes, Z. Hu, F. Strigari, P. Körner, N. Hollmann, D. Schmitz, A. Bianchi, Z. Fisk, A. Tanaka, L. H. Tjeng and A. Severing
    Magnetic Field Induced Orbital Polarization in Cubic YbInNi4: Determining the Quartet Ground State Using X-Ray Linear Dichroism
    Phys. Rev. Lett., 107, 236402, (2011)
  • A. Severing, F. Givord, J.-X. Boucherle, T. Willers, M. Rotter, Z. Fisk, A. Bianchi, M. T. Fernandez-Diaz, A. Stunault, B. D. Rainford, J. Taylor and and E. Goremychkin
    Crystal fields in YbInNi4 determined with magnetic form factor and inelastic neutron scattering
    Phys. Rev. B, 83, 15, 155112, (2011)
  • M. Valldor, O. Heyer, A. C. Komarek, A. Senyshyn, M. Braden and T. Lorenz
    Magnetostrictive Neel ordering of the spin-5/2 ladder compound BaMn2O3: Distortion-induced lifting of geometrical frustration
    Phys. Rev. B, 83, 024418, (2011). arXiv:1010.1183 [PDF, 897 kB]
  • G. Giovannetti, A. Stroppa, S. Picozzi, D. Baldomir, V. Pardo, S. Blanco-Canosa, F. Rivadulla, S. Jodlauk, D. Niermann, J. Rohrkamp, T. Lorenz , S. Streltsov, D.I. Khomskii and J. Hemberger
    Dielectric properties and magnetostriction of the collinear multiferroic spinel CdV2O4
    Phys. Rev. B, 83, 060402(R), (2011)
  • S.K.Niesen, O. Heyer, T. Lorenz and M. Valldor
    Antiferromagnetic Heisenberg S=5/2 spin chain compound SrMn2V2O8
    J. Magn. Magn. Mater., 323, 2575, (2011). arXiv:1103.1830
  • N. Hollmann, M. W. Haverkort, M. Benomar, M. Cwik, M. Braden and T. Lorenz
    Evidence for a temperature-induced spin-state transition of Co3+ in La2-xSrxCoO4
    Phys. Rev. B, 83, 174435, (2011). arXiv:1204.0730 [PDF, 377 kB]
  • A. C. Komarek, M. Isobe, J. Hemberger, D. Meier, T. Lorenz, D. Trots, A. Cervellino, M. T. Fernández-Díaz, Y. Ueda and M. Braden
    Dimerization and Charge Order in Hollandite K2V8O16
    Phys. Rev. Lett., 107, 027201, (2011)
  • M. K. Forthaus, G. R. Hearne, N. Manyala, O. Heyer, R. A. Brand, D. I. Khomskii, T. Lorenz and M. M. Abd-Elmeguid
    Pressure-induced quantum phase transition in Fe1−xCoxSi (x = 0.1,0.2)
    Phys. Rev. B, 83, 085101, (2011) [PDF, 1294 kB]
  • O. Heyer, T. Lorenz, V. B. Zabolotnyy, D. V. Evtushinsky, S. V. Borisenko, I. Morozov, L. Harnagea, S. Wurmehl, C. Hess and B. Büchner
    Resistivity and Hall effect of LiFeAs: Evidence for electron-electron scattering
    Phys. Rev. B, 84, 064512, (2011). arXiv:1010.2876 [PDF, 355 kB]
  • O. Heyer, P. Link, D. Wandner, U Ruschewitz and T. Lorenz
    Thermodynamic properties and resistivity of the ferromagnetic semiconductor EuC2
    New J. Phys., 13, 113041, (2011). arXiv:1103.0980 [PDF, 752 kB]
  • A.V. Kalinov, O.Yu. Gorbenko, A.N. Taldenkov, J. Rohrkamp, O. Heyer, S. Jodlauk, N.A. Babushkina, L.M. Fisher, A.R. Kaul, D.I. Khomskii, K.I. Kugel and T. Lorenz
    Phase Diagram of Spin States and Magnetic Interactions in Isotope Substituted (Pr,Eu)0.7Ca0.3CoO3
    Solid State Phenomena, 168-169, 465, (2011) [PDF, 215 kB]

2010

  • H. Banks, N. J. Hillier, J. S. Schilling, J. Rohrkamp, T. Lorenz, J. A. Mydosh, T. Fickenscher and R. Pöttgen
    Dependence of the magnetic ordering temperature on hydrostatic pressure for the ternary intermetallic compounds GdAgMg, GdAuMg, EuAgMg, and EuAuMg
    Phys. Rev. B, 81, 212403, (2010) [PDF, 388 kB]
  • T. Willers, Z. Hu, N. Hollmann, P. O. Körner, J. Gegner, T. Burnus, H. Fujiwara, A. Tanaka, D. Schmitz, H. H. Hsieh, H.-J. Lin, C. T. Chen, E. D. Bauer, J. L. Sarrao, E. Goremychkin, M. Koza, L. H. Tjeng and and A. Severing
    Crystal-field and Kondo-scale investigations of CeMIn5 (M=Co, Ir, and Rh): A combined x-ray absorption and inelastic neutron scattering study
    Phys. Rev. B, 81, 19, 195114, (2010). arXiv:1003.0300
  • A. V. Kalinov, O. Yu. Gorbenko, A. N. Taldenkov, J. Rohrkamp, O. Heyer, S. Jodlauk, N. A. Babushkina, L. M. Fisher, A. R. Kaul, A. A. Kamenev, T. G. Kuzmova, D. I. Khomskii, K. I. Kugel and T. Lorenz
    Phase diagram and isotope effect in (Pr1−yEuy)0.7Ca0.3CoO3 cobaltites exhibiting spin-state transitions
    Phys. Rev. B, 81, 134427, (2010). arXiv:0909.2978 [PDF, 891 kB]
  • J. Rohrkamp, M.D. Phillips, M.M. Turnbull and T. Lorenz
    Thermal expansion of the spin-1/2 Heisenberg-chain compound Cu(C4H4N2)(NO3)2
    JPCS, 200, 012169, (2010). arXiv:0907.0400 [PDF, 4985 kB]
  • Sina Zimmermann, Matthias Brühmann, Frederick Casper, Oliver Heyer, Thomas Lorenz, Claudia Felser, Anja-Verena Mudring and Gerd Meyer
    Eight-Coordinate Endohedral Rhenium, Osmium and Iridium Atoms in Rare- Earth Halide Cluster Complexes
    Eur. J. Inorg. Chem., 18, 2613, (2010) [PDF, 832 kB]
  • D. Wandner, P. Link, O. Heyer, J. Mydosh, M. A. Ahmida, M. M. Abd-Elmeguid, M. Speldrich, H. Lueken and U. Ruschewitz
    Structural Phase Transitions in EuC2
    Inorg. Chem., 49, 312, (2010)
  • N. A. Babushkina, A. N. Taldenkov, A. V. Kalinov, L. M. Fisher, O. Yu. Gorbenko, T. Lorenz, D. I. Khomskii and K. I. Kugel
    Isotope Effect and Characteristic Features of the Phase Diagram for Cobaltites with Spin State Transitions
    JETP, 111, 189, (2010) [PDF, 220 kB]
  • M. K. Forthaus, K. Sengupta, O. Heyer, N. E. Christensen, A. Svane, K. Syassen, D. I. Khomskii, T. Lorenz and M. M. Abd-Elmeguid
    Superconductivity in SnO: A Nonmagnetic Analog to Fe-Based Superconductors?
    Phys. Rev. Lett., 105, 157001, (2010). arXiv:1009.3787
  • A. Senyshyn, B. Schwarz, T. Lorenz, V. T. Adamiv, Ya. V. Burak, J. Banys, R. Grigalaitis, L. Vasylechko, H. Ehrenberg and H. Fuess
    Low-temperature crystal structure, specific heat, and dielectric properties of lithium tetraborate Li2B4O7
    J. Appl. Phys., 108, 093524, (2010) [PDF, 490 kB]

2009

  • M. Cwik, M. Benomar, T. Finger, Y. Sidis, D. Senff, M. Reuther, T. Lorenz and M. Braden
    Magnetic Correlations in La2-xSrxCoO4 Studied by Neutron Scattering: Possible Evidence for Stripe Phases
    Phys. Rev. Lett., 102, 057201, (2009). arXiv:0808.0106 [PDF, 585 kB]
  • A. V. Sologubenko, T. Lorenz, J. A. Mydosh, B. Thielemann, H. M. Rønnow, Ch. Rüegg and K. W. Krämer
    Evidence for spinon localization in the heat transport of the spin-1 2 ladder compound (C5H12N)2CuBr4
    Phys. Rev. B, 80, 220411(R), (2009). arXiv:0909.5180 [PDF, 245 kB]
  • M. Kriener, M. Braden, H. Kierspel, D. Senff, O. Zabara, C. Zobel and T. Lorenz
    Magnetic and structural transitions in La1−xAxCoO3 (A=Ca, Sr, and Ba)
    Phys. Rev. B, 79, 224104, (2009). arXiv:0801.4188 [PDF, 1820 kB]
  • T. Willers, B. Fåk, N. Hollmann, P. O. Körner, Z. Hu, A. Tanaka, D. Schmitz, M. Enderle, G. Lapertot, L. H. Tjeng and A. Severing
    Crystal-field ground state of the noncentrosymmetric superconductor CePt3Si: A combined polarized soft x-ray absorption and polarized neutron study
    Phys. Rev. B, 80, 115106, (2009)
  • C. Ulrich, L. J. P. Ament, G. Ghiringhelli, L. Braicovich, M. Moretti Sala, N. Pezzotta, T. Schmitt, G. Khaliullin, J. van den Brink, H. Roth, T. Lorenz and B. Keimer
    Momentum Dependence of Orbital Excitations in Mott-Insulating Titanates
    Phys. Rev. Lett., 103, 107205, (2009). arXiv:0908.2497 [PDF, 298 kB]

2008

2007

2006

  • C. Ulrich, A. Gössling, M. Grüninger, M. Guennou, H. Roth, M. Cwik, T. Lorenz, G. Khaliullin and B. Keimer
    Raman Scattering in the Mott Insulators LaTiO3 and YTiO3: Evidence for Orbital Excitations
    Phys. Rev. Lett., 97, 157401, (2006). arXiv.org:cond-mat/0503106 [PDF, 1261 kB]
  • Maurits W. Haverkort, Zhiwei Hu, Júlio C. Cezar, Tobias Burnus, Helena Hartmann, Marco Reuther, Christian Zobel, Thomas Lorenz, Arata Tanaka, Nicholas B. Brookes, Hui-Huang Hsieh, Hong-Ji Lin, Chien-Te Chen and L. Hao Tjeng
    Spin State Transition in LaCoO3 Studied Using Soft X-ray Absorption Spectroscopy and Magnetic Circular Dichroism
    Phys. Rev. Lett., 97, 176405, (2006). arXiv.org:cond-mat/0610457 [PDF, 560 kB]
  • Jan Gegner, Thomas C. Koethe, Hua Wu, Zhiwei Hu, Helena Hartmann, T. Lorenz, T. Fickenscher, R. Pöttgen and L. Hao Tjeng
    Electronic structure of RAuMg and RAgMg (R = Eu, Gd, Yb)
    Phys. Rev. B, 74, 073102, (2006). arXiv.org:cond-mat/0511511 [PDF, 516 kB]
  • J. Baier, T. Zabel, M. Kriener, P. Steffens, O. Schumann, O. Friedt, A. Freimuth, A. Revcolevschi, S. Nakatsuji, Y. Maeno, T. Lorenz and M. Braden
    Thermodynamic Properties of (Ca,Sr)2RuO4 in Magnetic Fields
    Physica B, 378, 497, (2006). arXiv.org:cond-mat/0511220
  • K. Berggold, T. Lorenz, J. Baier, M. Kriener, D. Senff, S. Barilo and A. Freimuth
    Thermal conductivity of R2CuO4, with R = La, Pr and Gd
    Physica B, 378, 1064, (2006). arXiv.org:cond-mat/0508154
  • K. Berggold, T. Lorenz, J. Baier, M. Kriener, D. Senff, H. Roth, A. Severing, H. Hartmann, A. Freimuth, S. Barilo and F. Nakamura
    Magnetic heat transport in R2CuO4 (R = La, Pr, Nd, Sm, Eu, and Gd)
    Phys. Rev. B, 73, 10, 104430, (2006). arXiv.org:cond-mat/0509414
  • O. Heyer, N. Hollmann, I. Klassen, S. Jodlauk, L. Bohatý, P. Becker, J.A. Mydosh, T. Lorenz and D.I. Khomskii
    A new multiferroic material: MnWO4
    J. Phys.: Condens. Matter, 18, L471-L475, (2006)
  • A. V. Sologubenko, N. D. Zhigadlo, J. Karpinski and H. R. Ott
    Thermal conductivity of Al-doped MgB2: Impurity scattering and the validity of the Wiedemann-Franz law
    Phys. Rev. B, 74, 184523, (2006), http://link.aps.org/doi/10.1103/PhysRevB.74.184523. arXiv:cond-mat/0608143v2
  • K. Kordonis, A.V. Sologubenko, T. Lorenz, S.-W. Cheong and A. Freimuth
    Spin thermal conductivity of the Haldane chain compound Y2BaNiO5
    Phys. Rev. Lett., 97, 11, 115901, (2006). arXiv:cond-mat/0603586 [PDF, 270 kB]
  • N. Johannsen, A. Oosawa, H. Tanaka, A. Vasiliev and T. Lorenz
    Uniaxial pressure dependencies of the phase boundary of TlCuCl
    Physica B, 378-380, 1043, (2006). arXiv:condmat/0507582
  • J. Baier, D. Meier, K. Berggold, J. Hemberger, A. Balbashov, J.A. Mydosh and T. Lorenz
    Hysteresis effects in the phase diagram of multiferroic GdMnO3
    Phys. Rev. B, 73, 10, 100402(R), (2006). arXiv:cond-mat/0601169 [PDF, 547 kB]
  • H. Rosner, D. Koudela, U. Schwarz, A. Handstein, M. Hanfland, I. Opahle, K. Koepernik, M.D. Kuz'min, K.-H. Müller, J.A. Mydosh and M. Richter
    Magneto-elastic lattice collapse in YCo5
    Nature Physics, 2, 469, (2006)
  • P.A. Sharma, N. Harrison, M. Jaime, Y.S. Oh, K.H. Kim, C.D. Batista, H. Amitsuka and J.A. Mydosh
    Phonon Thermal Transport of URu2Si2: Broken Translational Symmetry and Strong-Coupling of the "Hidden Order" to the Lattice
    Phys. Rev. Lett., 97, 15, 156401, (2006)
  • C. Pfleiderer, J.A. Mydosh and M. Vojta
    Pressure dependence of the magnetization of URu2Si2
    Phys. Rev. B, 74, 10, 104412, (2006)
  • A. Gippius, M. Baenitz, E. Morozova, A. Leithe-Jasper, W. Schnelle, A. Shevelkov, E. Alkaev, A. Rabis, J. Mydosh, Yu. Grin and F. Steglich
    Crossover between itinerant ferromagnetism and antiferromagnetic fluctuations in filled skutterudites MFe4Sb12 (M=Na, Ba, La) as determined by NMR
    J. Magn. Magn. Mater., 300, 1, e403, (2006)
  • Y.S. Oh, K.H. Kim, N. Harrison, P.A. Sharma, H. Amitsuka and J.A. Mydosh
    Hall effect evolution across a field-induced phase in U(Ru0.96Rh0.04)2Si2
    Physica B, 378-380, 989, (2006)
  • A. Otop, H.-H. Klauss, A. Bosse, R.W.A. Hendrikx, J.A. Mydosh and S. Süllow
    Magnetic order studied via μSR in moderately disordered single-crystalline UPt2Si2
    Physica B, 378-380, 987, (2006)
  • D. Lampakis, D. Palles, E. Liarokapis and J.A. Mydosh
    Raman study of the heavy fermion system URu2Si2 at low temperatures and high hydrostatic pressures
    Physica B, 378-380, 578, (2006)
  • A.V. Silhanek, N. Harrison, C.D. Batista, M. Jaime, A. Lacerda, H. Amitsuka and J.A. Mydosh
    Γ5 quasiparticles and avoided quantum criticality in U(Ru,Rh)2Si2
    Physica B, 378-380, 373, (2006)
  • O.O. Bernal, M.E. Moroz, K. Ishida, H. Murakawa, A.P. Reyes, P.L. Kuhns, D.E. MacLaughlin, J.A. Mydosh and T.J. Gortenmulder
    Hidden order and disorder effects in URu2Si2
    Physica B, 378-380, 574, (2006)
  • A. Otop, I. Maksimov, E.-W. Scheidt, J.A. Mydosh and S. Süllow
    High-temperature resistivity of URh2Ge2
    Physica B, 378-380, 371, (2006)
  • M. Jaime, A.V. Silhanek, K.H. Kim, N. Harrison, L. Balicas, H. Amitsuka and J.A. Mydosh
    Lattice involvement in low temperature phase of U(Ru,Rh)2Si2
    Physica B, 378-380, 82, (2006)
  • K.H. Kim, N. Harrison, H. Amitsuka, M. Jaime and J.A. Mydosh
    Emergent phases near the metamagnetic quantum critical point in U(Ru1-xRhx)2Si2
    Physica B, 378-380, 31, (2006)
  • F. Bondino, E. Magnano, E. Carleschi, M. Zangrando, F. Galli, J.A. Mydosh and F. Parmigiani
    Electronic structure of the charge-density-wave compound Er5Ir4Si10
    J. Phys.: Condens. Matter, 18, 5773, (2006)
  • S. Süllow, A. Otop, J. Klenke, R. Feyerherm, R.W.A. Hendrikx and J.A. Mydosh
    Magnetic irreversibility in the antiferromagnetic state of UPt2Si2
    J. Appl. Phys., 99, 08F704, (2006)
  • W. Montfrooij, M.C. Aronson, B.D. Rainford, J.A. Mydosh, R. Hendrikx, T. Gortenmulder, A.P. Murani, P. Haen, I. Swainson and A. de Visser
    Non-Fermi-liquid behavior in Ce(Ru1-xFex)2Ge2: Cause and effect
    Phys. Rev. B, 73, 14, 140401(R), (2006)
  • A.V. Silhanek, M. Jaime, N. Harrison, V.R. Fanelli, C.D. Batista, H. Amitsuka, S. Nakatsuji, L. Balicas, K.H. Kim, Z. Fisk, J.L. Sarrao, L. Civale and J.A. Mydosh
    Irreversible Dynamics of the Phase Boundary in U(Ru0.96Rh0.04)2Si2 and Implications for Ordering
    Phys. Rev. Lett., 96, 13, 136403, (2006)
  • F.P. Mena, J. F. DiTusa, D. van der Marel, G. Aeppli, D.P. Young, A. Damascelli and J.A. Mydosh
    Suppressed reflectivity due to spin-controlled localization in a magnetic semiconductor
    Phys. Rev. B, 73, 8, 085205, (2006)
  • J. Sichelschmidt, V. Voevodin, H.J. Im, S. Kimura, H. Rosner, A. Leithe-Jasper, W. Schnelle, U. Burkhardt, J.A. Mydosh, Y. Grin and F. Steglich
    Optical pseudogap from iron states in filled skutterudites AFe4Sb12 (A =Yb,Ca,Ba)
    Phys. Rev. Lett., 96, 3, 037406, (2006)
  • K. Berggold, M. Kriener, C. Zobel, A. Reichl, M. Reuther, R. Müller, A. Freimuth and T. Lorenz
    Thermal Conductivity, Thermopower, and Figure of Merit of La1-xSrxCoO3
    Phys. Rev. B, 72, 155116, (2006). arXiv:cond-mat/0501262

2005

2004

2003

2002

2001

2000

1999

  • M. Hücker, V. Kataev, J. Pommer, J. Harraß, A. Hosni, C. Pflitsch, R. Gross and B. Büchner
    Mobility of holes and suppression of antiferromagnetic order in La2-xSrxCuO4
    Phys. Rev. B, 59, R725, (1999)
  • B. Zeini, A. Freimuth, B. Büchner, R. Gross, A.P. Kampf, M. Kläser and G. Müller-Vogt
    Separation of Quasiparticle and Phononic Heat Currents in YBa2Cu3O7-δ
    Phys. Rev. Lett., 82, 2175, (1999). arXiv:cond-mat/9809295
  • B. Freitag, B. Büchner, N. Knauf, B. Roden, H. Micklitz, A. Freimuth and V. Kataev
    Characteristic microstructure in small Bi-2212 grains showing the Wohlleben effect as revealed by High-Resolution Electron Microscopy
    Europhys. Lett., 45, 393, (1999)
  • V. Kataev, A. Validov, M. Hücker, H. Berg and B. Büchner
    Strong enhancement of spin fluctuations in the low-temperature tetragonal phase of antiferromagnetically ordered La2-x-yEuySrxCuO4
    J. Phys.: Condens. Matter, 11, 6571, (1999). arXiv:cond-mat/9908153
  • B. Zeini, A. Freimuth, B. Büchner, R. Gross, A.P. Kampf, M. Kläser and G. Müller-Vogt
    Righi-Leduc effect in Y- and Bi-based High-Tc superconductors
    Physica C, 317-318, 325, (1999)
  • V. Kataev, A. Validov, M. Hücker, B. Büchner and H. Berg
    ESR studies of doped La2CuO4
    J. Low Temp. Phys., 117, 383, (1999)
  • D. Bruns, B. Büchner, R. Gross, T. Lorenz and S. Uchida
    Thermal expansion of La1.85Sr0.15CuO4 in magnetic fields up to 14 Tesla
    J. Low Temp. Phys., 117, 1453, (1999)
  • S. Uhlenbruck, R. Teipen, R. Klingeler, B. Büchner, O. Friedt, M. Hücker, H. Kierspel, T. Niemöller, L. Pinsard, A. Revcolevschi and R. Gross
    Interplay between Charge Order, Magnetism, and Structure in La0.875Sr0.125MnO3
    Phys. Rev. Lett., 82, 185, (1999)
  • B. Büchner, T. Lorenz, R. Walter, H. Kierspel, A. Revcolevschi and G. Dhalenne
    Spin-Peierls order parameter and antiferromagnetism in the dimerized and incommensurate phases of Zn-doped CuGeO3
    Phys. Rev. B, 59, 6886, (1999)

1998

  • O. Baberski, A. Lang, O. Maldonado, M. Hücker, B. Büchner and A. Freimuth
    Stripe Correlations of spins and holes and phonon heat transport in doped La2CuO4
    Europhys. Lett., 44, 3, 335-340, (1998). arXiv.org:condmat/9712047
  • S. Wasser, A. Nowack, W. Schlabitz, A. Freimuth, O. E. Kvitnitskaya, A. A. Menovsky and C. Bruder
    Anisotropic Josephson Effects in Point Contacts between the Heavy Fermion Superconductor URu2Si2 and Nb
    Phys. Rev. Lett., 81, 4, 898-901, (1998)
  • N. Knauf, J. Fischer, P. Schmidt, B. Roden, R. Borowski, B. Büchner, H. Micklitz, A. Freimuth, D. Khomskii and V. Kataev
    Grain Size Dependence of the Wohlleben Effect in Bi-2212 High Temperature Superconductors
    Physica C, 299, 1-2, 125-135, (1998)
  • S. Uhlenbruck, B. Büchner, R. Gross, A. Freimuth, A. Maria de Leon Guevara and A. Revcolevschi
    Thermopower and anomalous heat transport in La0.85Sr0.15MnO3
    Phys. Rev. B, 57, 10, R5571-R5574, (1998)
  • T. Lorenz, B. Büchner, P.H.M. van Loosdrecht, F. Schönfeld, G. Chouteau, A. Revcolevschi and G. Dhalenne
    Incommensurate phase of CuGeO3: from solitons to sinusoidal modulation
    Phys. Rev. Lett., 81, 148, (1998) [PDF, 222 kB]
  • M. Fischer, P.H.M. van Loosdrecht, G. Güntherodt, B. Büchner, T. Lorenz, M. Breuer, J. Zeman, G. Martinez, G. Dhalenne and A. Revcolevschi
    Revival of the spin--Peierls transition in Cu1-xZnxGeO3 under pressure
    Phys. Rev. B, 57, 7749, (1998) [PDF, 128 kB]

Booklets

2013

  • T. Willers, F. Strigari, N. Hiraoka, Y. Q. Cai, M.W. Haverkort, K.-D. Tsuei, Y.F. Liao, S. Seiro, C. Geibel, F. Steglich, L.H. Tjeng and A. Severing
    Determining the In-Plane Orientation of the Ground-State Orbital of CeCu2Si2
    Scientific highlight in Research Frontiers, Super Photon ring 8GeV (SPring-8) in Japan, (2013)

2012

  • T. Willers, F. Strigari, N. Hiraoka, Y. Q. Cai, M.W. Haverkort, K.-D. Tsuei, Y.F. Liao, S. Seiro, C. Geibel, F. Steglich, L.H. Tjeng and A. Severing
    A New Way to Explore 4f-Orbital Orientation in a Heavy Fermion System
    Scientific highlight in the annual report of the National Synchrotron Radiation Research Centre (NSRRC) in Taiwan, (2012)
  • T. Willers, J.C. Cezar, N.B. Brookes, Z. Hu, F. Strigari, P. Körner, N. Hollmann, D. Schmitz, A. Bianchi, Z. Fisk, A. Tanaka, L.H. Tjeng and A. Severing
    Magnetic field induced orbital polarization in cubic YbInNi4: determining the quartet ground state using x-ray linear dichroism
    Scientific highlight in the annual report of the European Synchrotron Radiation Facility (ESRF) in Grenoble, France, (2012)

Miscellaneous

2007

  • M.W. Haverkort, Z. Hu, J.C. Cezar, T. Burnus, H. Hartmann, M. Reuther, C. Zobel, T. Lorenz, A. Tanaka, N.B. Brookes, H.H. Hsieh, H.-J. Lin, C.T. Chen and L.H. Tjeng
    Spin state transition in LaCoO3 studied using soft X-ray absorption spectroscopy and magneic circular dichrosim
    ESRF Highlights 2006 - X-Ray Absorption and Magnetic Scattering, (2007) [PDF, 312 kB]

Theses

2007

  • Jens Rohrkamp
    Aufbau eines kapazitiven Dilatometers zur Messung der thermischen Ausdehnung im Temperaturbereich von 2 – 300 K
    Diploma thesis, Universität zu Köln, (2007) [PDF, 6013 kB]

2006

2005

2004

2003

2002

2001

  • Sven Kiele
    Die Wärmeleitfähigkeit des Hochtemperatursupraleiters YBa2Cu3O7−δ im Magnetfeld
    Diploma thesis, Universität zu Köln, (2001), http://paperbase.ph2.uni-koeln.de/DipDiss/KieleDip.pdf
  • Markus Kriener
    Magnetische Untersuchungen an dotiertem LaCoO3
    Diploma thesis, Universität zu Köln, (2001)

2000

  • Kwang-Yong Choi
    ESR study of spin chains and spuin ladders with nonmagnetic impurities
    Diploma thesis, Universität zu Köln, (2000)

In Proceedings

1999

  • T. Lorenz
    Magnetic frustration and spin-Peierls transition in CuGeO3
    B. Kramer, Advances in Solid State Physics, 39, Vieweg Verlag, Braunschweig, (1999) [PDF, 1123 kB]

Articles in a book

2002

  • A. Freimuth
    Vortex Dynamics in a Temperature Gradient
    R.P. Huebener, N. Schopohl, and G.E. Vol, Springer Series in Solid-State Sciences, (2002)