Publikationen

Prof. Dr. Michael Lang - Publikationen

2022   2021    2020   2019    2018   2017   2016   2015   2014   2013    2012    2011    2010    2009    2008   2007   2006   2005    2004   2003   2002   2001   2000   previous to 2000


2022

  • Phonon renormalization effects accompanying the 6 K anomaly in the Quantum Spin Liquid Candidate k-(BEDT-TTF)2Cu2(CN)3
    M. Matsuura, T. Sasaki, M. Naka, J. Müller, O. Stockert, A. Piovano, N. Yoneyama, M. Lang
    arXiv:2208.05096
  • From magnetic order to valence-change crossover in EuPd2(Si1-xGex)2 using He-gas pressure
    B. Wolf, F. Spathelf, J. Zimmermann, T. Lundbeck, M. Peters, K. Kliemt, C. Krellner, M. Lang
    submitted to SCES 2022
  • Combined experimental and theoretical study of hydrostatic (He-gas) pressure effects in α-RuCl3
    B. Wolf, D. Kaib, A. Razpopov, S. Biswas, K. Riedl, S. Winter, R. Valentí, Y. Saito, S. Hartmann, E. Vinokurova, T. Doert, A. Isaeva, G. Bastien, A. Wolter, B. Büchner, M. Lang
    Phys. Rev. B 106, 134432 (2022)
  • Advanced technique for measuring relative length changes under control of temperature and helium-gas pressure
    Y.  Agarmani, S. Hartmann, J. Zimmermann, E. Gati, C. Delleske, U. Tutsch, B. Wolf, M. Lang
    Rev. Sci. Instrum. 93, 113902 (2022)

  • Involvement of structural dynamics in charge-glass formation in strongly frustrated molecular metals
    T. Thomas, Y. Saito, Y. Agarmani, T. Thyzel, M. Lonsky, K. Hashimoto, T. Sasaki, M. Lang, J. Müller
    Phys. Rev. B 105, L041114 (2022)

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2021

  • Spin liquid and ferroelectricity close to a quantum critical point in PbCuTe2O6
    Ch. Thurn, P. Eibisch, A. Ata, M. Winkler, P. Lunkenheimer, I. Kézsmárki, U. Tutsch, Y. Saito, S. Hartmann, J. Zimmermann, A.R.N. Hanna, A.T.M.N. Islam, S. Chillal, B. Lake, B. Wolf, M. Lang
    npj Quantum Materials 6: 95 (2021)
  • Spin vortex crystal order in organic triangular lattice compound
    K. Riedl, E. Gati, D. Zielke, S. Hartmann, O. Vyaselev, N. Kushch, H. Jeschke, M. Lang, R. Valentí, M. Kartsovnik, S. Winter
    Phys. Rev. Lett. 127, 147204 (2021)
  • Spin relaxation inCs2CuCl4-xBrx
    R. Hassan Abadi, R.M. Eremina, M. Hemmida, A. Dittl, M.V. Eremin, B. Wolf, W. Assmus, A. Loidl, H.-A. Krug von Nidda
    Phys. Rev. B 103, 064420 (2021)

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2020

  • Erratum: Lattice dynamics coupled to charge and spin degrees of freedom in the molecular dimer-Mott insulator k-(BEDT-TTF)2Cu[N(CN)2]Cl, [Phys. Rev. Lett. 123, 027601 (2019)]
    M. Matsuura, T. Sasaki, S. Iguchi, E. Gati, J. Müller, O. Stockert, A. Piovano,  M. Böhm, J. Park, S. Biswas, S. Winter, R. Valentí, A. Nakao, M. Lang
    Phys. Rev. Lett. 125, 239901 (E) (2020)
  • Characterization of the pressure coefficient of manganin and temperature evolution of pressure in piston-cylinder cells
    L. Xiang, E. Gati, S. Bud'ko, R. Ribeiro, A. Ata, U. Tutsch, M. Lang, P. Canfield
    Rev. Sci. Instrum. 91, 095103 (2020)
  • BNB-Doped Phenalenyls: Modular Synthesis, Optoelectronic Properties, and One-Electron Reduction
    A. Scholz, J. Massoth, M. Bursch, J.-M. Mewes, T. Hetzke, B. Wolf, M. Bolte, H.-W. Lerner, S. Grimme, M. Wagner
    J. Am. Chem. Soc. 2020, 142, 11072-11083 (2020)
  • Impurity moments conceal low-energy relaxation of quantum spin liquids
    A. Pustogow, T. Le, H. Wang, Y. Luo, E. Gati, H. Schubert, M. Lang, S. Brown
    Phys. Rev. B 101, 140401(R) (2020)
  • A weakly antiferromagnetically coupled biradical combining verdazyl with nitronylnitroxide units
    P. Petunin, T. Rybalova, M. Trusova, M. Uvarov, M. Kazantsev, E. Mostovich, L. Postulka, P. Eibisch, B. Wolf, M. Lang, P. Postnikov, M. Baumgarten
    ChemPlusChem 85, 159-162 (2020)

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2019

  • Signatures for spinons in the quantum spin liquid candidate Ca10Cr7O28
    J. Sonnenschein, C. Balz, U. Tutsch, M. Lang, H. Ryll, J. Rodriguez-Rivera, A. Nazmul Islam, B. Lake, J. Reuther
    Phys. Rev. B 100, 174428 (2019)
  • Specific heat study of 1D and 2D excitations in the layered frustrated quantum antiferromagnets Cs2CuCl4-xBrx
    U. Tutsch, O. Tsyplyatyev, M. Kuhnt, L. Postulka, B. Wolf, P.T. Cong, F. Ritter, C. Krellner, W. Aßmus, B. Schmidt, P. Thalmeier, P. Kopietz, M. Lang
    Phys. Rev. Lett. 123, 147202 (2019)
  • Investigation of many-body effects in the quasi-two-dimensional electronic system of organic charge-transfer salts
    T. Mashoff, J. Regel, K. Medjanik, G. Schönhense, M. Huth, J. Müller, M. Lang, R. Valentí, M. Baumgarten, H. Elmers
    Phys. Status Solidi B, 1800674 (2019)
  • Magneto-structural properties of the layered quasi-2D triangular-lattice antiferromagnets Cs2CuCl4-xBrx for x = 0,1,2 and 4
    S. K. Thallapaka, B. Wolf, E. Gati, L. Postulka, U. Tutsch, B. Schmidt, P. Thalmeier, F. Ritter, C. Krellner, Y. Li, V. Borisov, R. Valentí, M. Lang
    Phys. Status Solidi B, 1900044 (2019)
  • Lattice dynamics coupled to charge- and spin degrees of freedom in the molecular dimer-Mott insulator k-(BEDT-TTF)2Cu[N(CN)2]Cl
    M. Matsuura, T. Sasaki, S. Iguchi, E. Gati, J. Müller, O. Stockert, A. Piovano,  M. Böhm, J. Park, S. Biswas, S. Winter, R. Valentí, A. Nakao, M. Lang
    Phys. Rev. Lett. 123, 027601 (2019)
  • Phase-sensitive dynamic susceptibility setup for measurements in pulsed magnetic fields
    L. Postulka, P. Eibisch, A. Holzmann, B. Wolf, M. Lang
    Rev. Sci. Instr., 90, 033901 (2019)
  • Kondo-like phonon scattering in thermoelectric clathrates
    M.S. Ikeda, H. Euchner, X. Yan, P. Tomeš, A. Prokofiev, L. Prochaska, G. Lientschnig, R. Svagera, S. Hartmann, E. Gati, M. Lang, S. Paschen
    Nat. Commun., 10, 887 (2019)
  • Magnetic and magneto-elastic couplings in the low-dimensional Heisenberg quantum magnet Cs2CuCl2Br2 with octahedral Cu coordination
    B. Wolf, C. Thurn, L. Postulka, S. K. Thallapaka, U. Tutsch, F. Ritter, C. Krellner, M. Lang
    J. Magn. Magn. Mater., 480, 108-111 (2019)

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2018

  • Relaxation dynamics in the one-dimensional organic charge-transfer salt ∂-(EDT-TTF-CONMe2)2Br
    J.K.H. Fischer, P. Lunkenheimer, C. Leva, S. Winter, M. Lang, C. Mézière, P. Batail, A. Loidl, R.S. Manna
    Phys. Rev. B 97, 235156 (2018)
  • Evidence for electronically driven ferroelectricity in a strongly correlated dimerized BEDT-TTF molecular conductor
    E. Gati, J. Fischer, P. Lunkenheimer, D. Zielke, S. Köhler, F. Kolb, H-A. Krug von Nidda, S. Winter, H. Schubert, J.A. Schlueter, H. Jeschke, R. Valentí, M. Lang
    Phys. Rev. Lett.120, 247601 (2018)
  • Insights from experiment and ab initio calculations into the glass-like transition in the molecular conductor k-(BEDT-TTF)2Hg(SCN)2Cl
    E. Gati, S. Winter, J.A. Schlueter, H. Schubert, J. Müller, M. Lang
    Phys. Rev. B 97, 075115 (2018)
  • Low-temperature lattice effects in the spin-liquid candidate k-(BEDT-TTF)2Cu2(CN)3
    R.S. Manna, S. Hartmann, E. Gati, J.A. Schlueter, M. de Souza, M. Lang
    Crystals 8, 87 (2018)
  • Effects of disorder on the pressure-induced Mott transition in k-(BEDT-TTF)2Cu[N(CN)2]Cl
    E. Gati, U. Tutsch, A. Naji, M. Garst, S. Köhler, H. Schubert, T. Sasaki, M. Lang
    Crystals 8, 38 (2018)

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2017

  • Spin-Dimer networks: Engineering tools to adjust the magnetic interactions in biradicals
    Y.B. Borozdina, E. Mostovich, P.T. Cong, L. Postulka, B. Wolf,  M. Lang, M. Baumgarten
    J. Mater. Chem. C, 5, 9053 (2017)
  • From magnetic order to spin-liquid ground states on the S =  3/2 triangular lattice
    J. Tapp, C.R. de la Cruz, M. Bratsch, N. Amuneke, L. Postulka, B. Wolf, M. Lang, H. Jeschke, R. Valentí, P. Lemmens, A. Möller
    Phys. Rev. B 96, 064404 (2017)
  • Interplay between structure and magnetism in the low-dimensional spin system: K(C8H16O4)2CuCl3•H2O
    N. van Well, M. Bolte, B. Delley, B. Wolf, M. Lang, J. Schefer, C. Rüegg, W. Aßmus, C. Krellner
    Cryst. Eng. Comm. 19 (2017)
  • Many-body theory of magnetoelasticity in one dimension
    O. Tsyplyatyev, P. Kopietz, Y. Tsui, B. Wolf, P.T. Cong, N. van Well, F. Ritter, C. Krellner, W. Aßmus, M. Lang
    Phys. Rev. B 95, 045120 (2017)

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2016

  • Breakdown of Hooke's law of elasticity at the Mott critical endpoint in an organic conductor
    E. Gati, M. Garst, R.S. Manna, U. Tutsch, B. Wolf, L. Bartosch, H. Schubert, T. Sasaki, J.A. Schlueter, M. Lang
    Science Advances 2, e1601646 (2016)
  • Combined effects of Sr substitution and pressure on the ground states in CaFe2As2
    S. Knöner, E. Gati, S. Köhler, B. Wolf, U. Tutsch, S. Ran, M. Torikachvili, S. Bud'ko, P. Canfield, M. Lang
    Phys. Rev. B 94, 144513 (2016)
  • Magneto-acoustic study near the quantum critical point of the frustrated quantum antiferromagnet Cs2CuCl4
    P.T. Cong, L. Postulka, B. Wolf, N. van Well, F. Ritter, W. Assmus, C. Krellner, M. Lang
    J. Appl. Phys. 120, 142113 (2016)

  • Magnetic cooling close to a quantum phase transition – the case of Er2Ti2O7
    B. Wolf, U. Tutsch, S. Dörschug, C. Krellner, F. Ritter, W. Aßmus, M. Lang
    J. Appl. Phys. 120, 142112 (2016)
  • Spin frustration in an organic radical ion salt based on a kagome-coupled chain structure
    L. Postulka, S. Winter, A. Mihailov, A. Mailman, A. Assoud, C. Robertson, B. Wolf, M. Lang, R. Oakley
    J. Am. Chem. Soc. 138 (2016)
  • Combined experimental and theoretical studies of pressure effects in La2Sb
    S. Knöner, E. Gati, B. Wolf, M. de Souza, A. Haghighirad, M. Kuhnt, W. Aßmus, H. Jeschke, M. Tomic, R. Valentí, M. Lang
    Phys. Status Solidi B, 1-7 (2016)
  • Evidence for eight-node mixed-symmetry superconductivity in a correlated organic metal
    D. Guterding, S. Diehl, M. Altmeyer, T. Methfessel, U. Tutsch, H. Schubert, M. Lang, J. Müller, M. Huth, H. Jeschke, R. Valentí, M. Jourdan, H. Elmers
    Phys. Rev. Lett. 116, 237001 (2016)
  • Stabilization of the tetragonal structure in (Ba1-xSrx)CuSi2O6
    P. Puphal, D. Sheptyakov, N. van Well, L. Postulka, I. Heinmaa, F. Ritter, W. Aßmus, B. Wolf, M. Lang, H. Jeschke, R. Valentí, R. Stern, C. Rüegg, C. Krellner
    Phys. Rev. B 93, 174121 (2016)

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2015

  • Dilatometric studies on single crystalline barlowite - a structurally perfect spin-1/2 kagome system
    E. Gati, B. Wolf, J.A. Schlueter, M. Lang
    Phys. Procedia 75,  (2015)
  • Erratum: Lattice effects in the quasi-two-dimensional valence-bond-solid Mott insulator EtMe3P[Pd(dmit)2]2 [Phys. Rev. B 89, 045113 (2014)]
    R.S. Manna, M. de Souza, R. Kato, M. Lang
    Phys. Rev. B 92, 239904(E) (2015)
  • Barlowite as a canted antiferromagnet: Theory and experiment
    H.O. Jeschke, F. Salvat-Pujol, E. Gati, N.H. Hoang, B. Wolf, M. Lang, J.A. Schlueter, R. Valentí
    Phys. Rev. B 92, 094417 (2015)
  • Disorder-induced gap in the normal density of states of the organic superconductor k-(BEDT-TTF)2Cu[N(CN)2]Br
    S. Diehl, T. Methfessel, U. Tutsch, J. Müller, M. Lang, M. Huth, M. Jourdan, H.J. Elmers
    J. Phys. Condens. Matter 27, 265601 (2015)
  • Ferroelectric properties of charge-ordered α-(BEDT-TTF)2I3
    P. Lunkenheimer, B. Hartmann, M. Lang, J. Müller, D. Schweitzer, S. Krohns, A. Loidl
    Phys. Rev. B 91, 245132 (2015)
  • Resistivity and magnetoresistance of FeSe single crystals under helium-gas pressure
    S. Knöner, D. Zielke, S. Köhler, B. Wolf, Th. Wolf, L. Wang, A. Böhmer, C. Meingast, M. Lang
    Phys. Rev. B 91, 174510 (2015)
  • Low-temperature structural investigations of the frustrated quantum antiferromagnets Cs2Cu (Cl4-x Brx)
    N. van Well, K. Foyevtsova, S. Gottlieb-Schönmeyer, F. Ritter, B. Wolf, M. Meven, C. Pfleiderer, M. Lang, W. Assmus, R. Valentí, C. Krellner
    Phys. Rev. B 91, 035124 (2015)
  • Elastic constants and ultrasound attenuation in the spin-liquid phase of Cs2CuCl4
    S. Streib, P. Kopietz, P.T. Cong, B. Wolf, M. Lang, N. van Well, F. Ritter, W. Assmus
    Phys. Rev. B 91, 041108 (R) (2015)

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2014

  • Hard X-ray Photoemission Study of the Fabre Salts (TMTTF)2X (X=SbF6 and PF6)
    K. Medjanik, M. de Souza, D. Kutnyakhov; A. Gloskovskii, J. Müller, M. Lang, J.P. Pouget, P. Foury-Leylekian, A. Moradpour, H.J. Elmers, G. Schönhense
    Eur. Phys. J. B 87, 256 (2014)
  • Cooling through quantum criticality and many-body effects in condensed matter and cold gases
    B. Wolf, A. Honecker, W. Hofstetter, U. Tutsch, M. Lang
    Int. J. Mod Phys B 28, 1430017 (2014)
  • Evidence of a field-induced Berezinskii-Kosterlitz-Thouless scenario in a two-dimensional spin-dimer system
    U. Tutsch, B. Wolf, S. Wessel, L. Postulka, Y. Tsui, H. Jeschke, I. Opahle, T. Saha-Dasgupta, R. Valenti, A. Brühl, K. Remović-Langer, T. Kretz, H.-W. Lerner, M. Wagner, M. Lang
    Nat. Commun. 5, 5169 (2014)
  • Superconducting properties of K1-xNaxFe2As2 under pressure
    V. Grinenko, W. Schottenhamel, A.U.B. Wolter, D.V. Efremov, S.L. Drechsler, S. Aswartham, M. Kumar, S. Wurmehl, M. Roslova, I.V. Morozov, B. Holzapfel, B. Büchner, E. Ahrens, S.I. Troyanov, S. Köhler, E. Gati, S. Knöner, N.H. Hoang, M. Lang, F. Ricci, G. Profeta
    Phys. Rev. B 90, 094511 (2014)
  • Lattice strain accompanying the colossal magnetoresistance effect in EuB6
    R.S. Manna, P. Das, M. de Souza, F. Schnelle, M. Lang, J. Müller, S. von Molnár, Z. Fisk
    Phys. Rev. Lett. 113, 067202 (2014)
  • Interacting Networks of Purely Organic Spin-½ Dimers
    Y.B. Borozdina, E. Mostovich, V. Enkelmann, B. Wolf, P.T. Cong, U. Tutsch, M. Lang, M. Baumgarten
    J. Mater. Chem. C 2, 6618 (2014)
  • Multiferroicity in the Mott insulating charge-transfer salt k-(BEDT-TTF)2Cu[N(CN)2]Cl
    M. Lang, P. Lunkenheimer, J. Müller, A. Loidl, B. Hartmann, N.H. Hoang, E. Gati, H. Schubert, J. A. Schlueter
    IEEE Trans. Magn. 6, 2700107 (2014), arXiv: 1311.2715
  • Structural variations and magnetic properties of the quantum antiferromagnets Cs2CuCl4-xBrx
    P.T. Cong, B. Wolf, N. van Well, A.A. Haghighirad, F. Ritter, W. Assmus, C. Krellner, M. Lang
    IEEE Trans. Magn. 6, 2700204 (2014), arXiv: 1311.3351
  • Magnetoelastic couplings in the distorted diamond-chain compound azurite
    P.T. Cong, B. Wolf, R.S. Manna, U. Tutsch, M. de Souza, A. Brühl, M. Lang
    Phys. Rev. B 89, 174427 (2014)
  • On the first-order structural transition in the multiferroic hybrid organic-inorganic perovskite-like formate [(CH3)2NH2][Mn(HCOO)3]
    M. Sanchez-Andujar, L.C. Gomez-Aguirre, B. Pato-Doldan, S. Yanez-Vilar, R. Artiaga, A. Llamas-Saiz, R.S. Manna, F. Schnelle,  M. Lang, F. Ritter, A.A. Haghighirad, M. Senaris-Rodriguez
    Cryst. Eng. Comm. 16, 3558 (2014)
  • Lattice effects in the quasi-two-dimensional valence-bond-solid Mott insulator EtMe3P[Pd(dmit)2]2
    R.S. Manna, M. de Souza, R. Kato, M. Lang
    Phys. Rev. B 89, 045113 (2014)

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2013

  • Low temperature structural effects in the (TMTSF)2PF6 and AsF6 Bechgaard salts
    P. Foury-Leylekian, S. Petit, I. Mirebeau, G. Andre, M. de Souza, M. Lang, E. Ressouche, A. Moradpour, J.-P. Pouget
    Phys. Rev. B 88, 024105 (2013)
  • Field-induced quantum criticality – application to magnetic cooling
    M. Lang, B. Wolf, A. Honecker, L. Balents, U. Tutsch, P.T. Cong, G. Hofmann, N. Krüger, F. Ritter, W. Assmus, A. Prokofiev
    Phys. Status Solidi B 250, 3, 457 (2013)

  • Pulsed-field ultrasonic experiments in the quasi-2D antiferromagnet Cs2CuBr4
    B. Wolf, P.T. Cong, N. Krüger, F. Ritter, W. Assmus, M. Lang
    J Low Temp Phys. 170, 236 (2013)

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 2012

  • Ultrasonic investigations near the B-induced quantum critical point of the triangular-lattice antiferromagnet Cs2CuCl4
    B. Wolf, P.T. Cong, N. Krüger, F. Ritter, W. Aßmus, M. Lang
    J. Phys.: Conf. Ser. 400, 032113 (2012)
  • Magnetic cooling through quantum criticality
    M. Lang, B. Wolf, A. Honecker, Y. Tsui, D. Jaiswal-Nagar, U. Tutsch, G. Hofmann, A. Prokofiev, P.T. Cong, N. Krüger, F. Ritter, W. Assmus
    J. Phys.: Conf. Ser 400, 032043 (2012)
  • The crystal structure of polycrystalline powder κ-(BEDT-TTF)2Cu[N(CN)2]Br studied by high energy x-ray diffraction
    S. Süllow, A.U.B. Wolter, J. Müller, M. Lang, J.E. Daniels, V. Honkimäki, T. Buslaps
    J. Phys.: Conf. Ser. 391, 012118 (2012)
  • Synthesis, crystal structure, transport and magnetic properties of novel ternary copper phosphides, A2Cu6P5 (A = Sr, Eu) and EuCu4P3
    D.O. Charkin, A.V. Urmanov, S.M. Kazakov, D. Batuk, A.M. Abakumov, S. Knöner, E. Gati, B. Wolf, M. Lang, A.V. Shevelkov, G. Van Tendeloo, E.V. Antipov
    Inorg. Chem. 51, 8948 (2012)
  • Magnetic Field-Induced Lattice Effects in a Quasi-2D Organic Conductor Close to the Mott Metal-Insulator Transition
    M. de Souza, A. Brühl, C. Strack, D. Schweitzer, M. Lang
    Phys. Rev. B 86, 085130 (2012)
  • Temperature dependence of structural and electronic properties of the spin-liquid candidate κ-(BEDT-TTF)2Cu2(CN)3
    H.O. Jeschke, M. de Souza, R. Valenti, R.S. Manna, M. Lang, J. Schlueter
    Phys. Rev. B 85, 035125 (2012)
  • Multiferroicity in an organic charge-transfer salt that is suggestive of electric-dipole-driven magnetism
    P. Lunkenheimer, J. Müller, S. Krohns, F. Schrettle, A. Loidl, B. Hartmann, R. Rommel, M. de Souza, C. Hotta, J.A. Schlueter, M. Lang
    Nature Materials 11, 755 (2012)

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2011

  • Thermally-induced crystal-to-crystal transformations accompanied by changes in the magnetic properties of a CuII-p-Hydroquinonate Polymer
    N. H. Phan, I. Halasz, I. Opahle, E. Alig, L. Fink, J. W. Bats, P.T. Cong, H.W. Lerner, B. Sarkar, B. Wolf, H. O. Jeschke, M. Lang, R. Valenti, R. Dinnebier, M. Wagner
    Cryst. Eng. Comm. 13, 391 (2011)

  • Multi-step approach to microscopic models for frustrated quantum magnets - the case of the natural mineral azurite
    H. Jeschke, I. Opahle, H. Kandpal, R. Valentí, H. Das, T. Saha-Dasgupta, O. Jansen, H. Rosner, A. Brühl, B. Wolf, M. Lang, J. Richter, S. Hu, X. Wang, R. Peters, T. Pruschke, A. Honecker
    Phys. Rev. Lett. 106, 217201 (2011)
  • Structural and Electronic Characteristics of a Novel BEDT-TTF Derivative: [BEDT-TTF]2[Cu2Br3]
    F. Schödel, U. Tutsch, F. Isselbächer, D. Schweitzer, I. Sänger, M. Bolte, J.W. Bats, J. Müller, M. Lang, M. Wagner, H.-W. Lerner
    Europ. J. Inorg. Chem. 2011, 1205 (2011)
  • Dynamics of azurite Cu3(CO3)2(OH)2 in a magnetic field as determined by neutron scattering
    K.C. Rule, D.A. Tennant, J.-S. Caux, M.C.R. Gibson, M.T.F. Telling, S. Gerischer, S. Süllow, M. Lang
    Phys. Rev. B 84, 184419 (2011)
  • Elastic constants and ultrasonic attenuation in the cone state of the frustrated antiferromagnet Cs2CuCl4
    A. Kreisel, P. Kopietz, P.T. Cong, B. Wolf, M. Lang
    Phys. Rev. B 84, 024414 (2011)
  • Magnetic and crystal structure of azurite Cu3(CO3)2(OH)2 as determined by neutron diffraction
    K.C. Rule,  M. Reehuis, M.C.R. Gibson, B. Ouladdiaf, M.J. Gutmann, J.-U. Hoffmann, S. Gerischer, D.A. Tennant, S. Süllow, M. Lang
    Phys. Rev. B 83, 104401 (2011)
  • Distinct magnetic regimes through site-selective atom substitution in the frustrated quantum antiferromagnet Cs2CuCl4-xBrx
    P.T. Cong, B. Wolf, M. de Souza, N. Krüger, A.A. Haghighirad, S. Gottlieb-Schoenmeyer, F. Ritter, W. Assmus, I. Opahle, K. Foyevtsova, H.O. Jeschke, R. Valentí, L. Wiehl, M. Lang
    Phys. Rev. B 83, 064425 (2011)
  • Magnetocaloric effect and magnetic cooling near a field-induced quantum-critical point
    B. Wolf, Y. Tsui, D. Jaiswal-Nagar, U. Tutsch, A. Honecker, K. Remović-Langer, G. Hofmann, A. Prokofiev, W. Aßmus, G. Donath, M. Lang
    Proc. Natl. Acad. Sci. USA 108 (17), 6862 (2011)
  • Planar Biphenyl-Bridged Biradicals as Building Blocks for the Design of Quantum Magnets
    E. A. Mostovich, V. Enkelmann, K. Removic-Langer, B. Wolf, M. Lang, M. Baumgarten
    Cryst. Growth and Des. 12 (1), 54 (2011)

         

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2010

  • Searching for Crystallographic Superstructures in κ-(BEDT-TTF)2Cu[N(CN)2]Br
    A.U.B. Wolter, R. Feyerherm, E. Dudzik, S.Süllow, Ch. Strack, M. Lang, D. Schweitzer, J.A. Schlueter
    Physica B 405, S282 (2010)
  • Phase transition and lattice distortion in the proposed spin-liquid system κ-(BEDT-TTF)2Cu2(CN)3
    M. Lang, R.S. Manna, M. de Souza, A. Brühl, J.A. Schlueter
    Physica B 405, S182 (2010)
  • Exploring the charge-ordering transition in (TMTTF)2X via thermal expansion measurements
    M. de Souza, D. Hofmann, P. Foury-Leylekian, A. Moradpour, J.-P. Pouget, M. Lang
    Physica B 405, S92 (2010)
  • Low temperature properties of the electron spin resonance in YbRh2Si2
    J. Sichelschmidt, T. Kambe, I. Fazlishanov, D. Zakharov, H.-A. Krug von Nidda, J. Wykhoff, A. Skvortsova, S. Belov, A. Kutuzov, B.I. Kochelaev, V. Pashchenko,  M. Lang, C. Krellner, C. Geibel, F. Steglich
    Phys. Status Solidi B 247, 747 (2010)
  • Large magnetocaloric effect at the saturation field of an S = 1/2 antiferromagnetic Heisenberg chain
    M. Lang, Y. Tsui, B. Wolf, D. Jaiswal-Nagar, U. Tutsch, A. Honecker, K. Remović-Langer, A. Prokofiev, W. Aßmus, G. Donath
    J. Low Temp Phys 159, 88 (2010)
  • Scaling theory of the Mott transition and breakdown of Grüneisen scaling near a finite-temperature critical end point
    L. Bartosch, M. de Souza, M. Lang
    Phys. Rev. Lett. 104, 245701 (2010)
  • Lattice effects and entropy release at the low-temperature phase transition in the spin-liquid candidate κ-(BEDT-TTF)2Cu2(CN)3
    R.S. Manna, M. de Souza, A. Brühl, J.A. Schlueter, M. Lang
    Phys. Rev. Lett. 104, 016403 (2010)
  • Synthesis, structural and physical properties of δ'-FeSe1-x
    M. de Souza, A.-A. Haghighirad, U. Tutsch, W. Aßmus, M. Lang
    Eur. Phys. J. B 77, 101 (2010)
  • Enhanced critical temperature in a dual-layered molecular superconductor
    J. A. Schlueter, L. Wiehl, H. Park, M. de Souza, M. Lang, H-J. Koo, M-H Whangbo
    J. Am. Chem. Soc.132, 16308 (2010)
  • Ultrasonic Investigation on the Distorted Diamond Chain Compound Azurite
    P.T. Cong, B. Wolf, U. Tutsch, K. Remović-Langer, J. Schreuer, S. Süllow, M. Lang
    J. Phys.: Conf. Ser. 200 012226 (2010)
  • Coupled spin S = 1/2 dimer systems based on nitronyl-nitroxide biradicals
    B. Wolf, P.T. Cong, K. Remović-Langer, Y.D. Borozdina, E. Mostovich, M. Baumgarten, M. Lang
    J. Phys.: Conf. Ser. 200 012225 (2010)
  • Magnetic phase diagram of the multiferroic FeTe2O5Br
    M. Pregelj, A. Zorko, O. Zaharko, Z. Kutnjak, M. Jagodič, Z. Jagličić, H. Berger, M. de Souza, C. Balz, M. Lang, D. Arčon
    Phys. Rev. B 82, 144438 (2010)
  • Magnetoelastic and structural properties of azurite Cu3(CO3)2(OH)2
    M.C.R. Gibson, K.C. Rule, A.U.B. Wolter, J.-U. Hoffmann, O. Prokhnenko, D.A. Tennant, S. Gerischer, M. Kraken, F.J. Litterst, S. Süllow, J. Scheuer, H. Luetkens, A. Brühl, B. Wolf, M. Lang
    Phys. Rev. B 81, 140406(R) (2010)
  • Coupling between the structural and magnetic transition in CeFeAsO
    A. Jesche, C. Krellner, M. de Souza, M. Lang, C. Geibel
    Phys. Rev. B 81, 134525 (2010)

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2009

  • Thermodynamic Studies at the Charge-Ordering and Spin-Peierls Transitions in (TMTTF)2X
    M. de Souza, A. Brühl, J. Müller, P. Foury-Leylekian, A. Moradpour, J.-P. Pouget, M. Lang
    Physica B: Condens. Matter 404, 494 (2009)

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2008

  • Magneto-structural correlations in a new oxalate-bridged Cu(II) alternating-exchange spin-chain compound
    K. Remović-Langer, L. Wiehl, V. Pashchenko, B. Wolf, J. Schreuer, M. Lang
    J. Phys.: Condens. Matter 20, 015221 (2008)
  • Evidence for Lattice Effects at the Charge-Ordering Transition in (TMTTF)2X
    M. de Souza, P. Foury-Leylekian, A. Moradpour, J.-P. Pouget, M. Lang
    Phys. Rev. Lett. 101, 216403 (2008)
  • Nature of the spin dynamics and 1/3 magnetisation plateau in azurite
    K.C. Rule, D.A. Tennant, A.U.B. Wolter, S. Süllow, A. Brühl, S. Köhler, B. Wolf, M. Lang, J. Schreuer
    Phys. Rev. Lett. 100, 117202 (2008)
  • Lattice effects and entropy change at the Mott transition of a quasi-2D organic conductor
    M. Lang, M. de Souza, A. Brühl, C. Strack, B. Wolf, D. Schweitzer
    Physica B 403, 1384 (2008)

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2007

  • Comparative Transport and Thermal Expansion Studies on Quasi-2D Organic Superconductors Close to the Metal-To-Insulator Transition
    M. Lang, V. Pereira Mariano de Souza, A. Brühl, C. Strack, B. Wolf, J. Schlueter, J. Müller, D. Schweitzer
    Physica C 460-462, 129 (2007)
  • Modified 1,4-hydroquinone ligands bridging CuIIions – building blocks for a new class of quantum magnets
    B. Wolf, A. Brühl, V. Pashchenko, K. Remović-Langer, T. Kretz, J.W. Bats,  H.-W. Lerner, M. Wagner, A. Salguero, T. Saha-Dasgupta, B. Rahaman, R. Valenti, M. Lang
    C. R. Chimie 10, 109 (2007)
  • Intrinsic vs. extrinsic inelastic scattering contributions in k-(BEDT-TTF)2Cu[N(CN)2]Br - transport measurements under hydrostatic pressure
    Ch. Strack, C. Akinci, V. Paschenko, B. Wolf, E. Uhrig, W. Assmus, J. Schreuer, L. Wiehl, J. Schlueter, J. Wosnitza, D. Schweitzer, M. Lang
    C. R. Chimie 10, 96 (2007)
  • Structural and magnetic investigations on new molecular quantum rings
    V. Pashchenko, M. Lang, B. Wolf, L. Zherlitsyna, N. Auner, O. Shchegolikhina, Yu. Pozdniakova, F. Schütz, P. Kopietz, M. Kollar
    C. R. Chimie 10, 89 (2007)
  • Effects of Two Energy Scales in Weakly Dimerized Antiferromagnetic Quantum Spin Chains
    A. Brühl, B. Wolf, V. Pashchenko, M. Anton, C. Gross, W. Aßmus, R. Valenti, S. Glocke, A. Klümper, T. Saha-Dasgupta, B. Rahaman, M. Lang
    Phys. Rev. Lett. 99, 057204 (2007)
  • Anomalous Lattice Response at the Mott Transition in a Quasi-2D Organic Conductor
    M. de Souza, A. Brühl, Ch. Strack, B. Wolf, D. Schweitzer, M. Lang
    Phys. Rev. Lett. 99, 037003 (2007)
  • Determining ethylene group disorder levels in k-(BEDT-TTF)2Cu[N(CN)2]Br
    A.U.B. Wolter, R. Feyerherm, E. Dudzik, S. Süllow, Ch. Strack, M. Lang, D. Schweitzer
    Phys. Rev. B 75, 104512 (2007)
  • Crystal growth and magnetic properties of the copper coordination polymer [Cu(μ-C2O4)(4-aminopyridine)2(H2O)]n
    A.V. Prokofiev, W. Assmus, K. Remović-Langer, V. Pashchenko, Y. Tsui, B. Wolf, M. Lang
    Cryst. Res. Technol. 42, 394 (2007)
  • Field-Induced Phase Transition in a Metalorganic Spin-Dimer System - a Potential Model System to Study Bose-Einstein Condensation of Magnons
    Y. Tsui, A. Brühl, K. Remović-Langer, V. Pashchenko, B. Wolf, G. Donath, A. Pikul, T. Kretz, H.-W. Lerner, M. Wagner, A. Salguero, T. Saha-Dasgupta, B. Rahaman, R. Valenti, M. Lang
    J. Magn. Magn. Mat. 310, 1319 (2007)
  • Synthesis, Structure and Magnetic Properties of a Novel Hexanuclear Copper Methylsiloxane Complex
    L. Zherlitsyna, N. Auner, M. Bolte, Y.Pozdniakova, O. Shchegolikhina, K. Lyssenko, V. Pashchenko, B. Wolf, M. Lang, F. Schutz, M. Kollar, F. Sauli, P. Kopietz
    Eur. J. Inorg. Chem. 30, 4827 (2007)

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2006

  • Mono-, Di-, and Oligonuclear Complexes of CuII Ions and p-Hydroquinone Ligands: Syntheses, Electrochemical Properties and Magnetic Behavior
    G. Margraf, T. Kretz, F. Fabrizi de Biani, F. Laschi, S. Losi, P. Zanello, J. W. Bats, B. Wolf, K. Remović-Langer, M. Lang , A. Prokofiev, W. Aßmus, H.-W. Lerner, M. Wagner
    Inorg. Chem. 45, 1277 (2006)
  • Magnetic resonant properties of the low-dimensional antiferromagnet Mn[C10H6(OH)(COO-)]2x2H2O
    K.G. Dergachev, M.I. Kobets, E.N. Khats’ko, M. Lang, V.A. Pashchenko.
    Fizika Nizkikh Temperatur 32 (3), 306 (2006)
  • Resistivity studies on different variants of k-(BEDT-TTF)2Cu[N(CN)2]Br: evidence for disorder and/or defect-induced inelastic scattering contributions (invited paper)
    M. Lang, Ch. Strack, C. Akinci, B. Wolf, J. A. Schlueter, J. Wosnitza, D. Schweitzer, J. Schreuer, L. Wiehl
    J. Low Temp. Phys. 142, 191 (2006)
  • Structural and magnetic properties of betaine adducts with transition metals, Part I: ((CH3)3NCH2COO)3MnMCl4 with M = Mn2+, Co2+, Zn2+
    L. Wiehl, J. Schreuer, E. Haussühl, B. Winkler, K. Remović-Langer, B. Wolf, M. Lang, V. Milman
    J. Phys.: Condens. Matter 18, 11067 (2006)
  • Exploring antiferromagnetic S=½ dimer systems in high magnetic fields
    M. Lang, A. Brühl, V. Pashchenko, K. Remović-Langer, Y. Tsui, U. Tutsch, B. Wolf, T. Kretz, W. Lerner, M. Wagner, J. Schreuer. (Yamada Conference LX on Research in High Magnetic Fields)
    J. Phys.: Conference Series 51, 1 (2006)

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2005

  • Synthesis, Structure and Magnetic Properties of the novel linear Cu(II)-trimer complex {Cu6[C6H5SiO2)5]2(C10H8N2)2}×4(DMF)×3(H2O)
    V. Pashchenko, B. Brendel, B. Wolf, M. Lang, K. Lyssenko, O. Shchegolikhina, Y. Molodtsova, N. Auner
    Europ. J. Inorg. Chem. 22, 4617 (2005)
  • Pressure studies on a low-resistance variant of the quasi-2D organic superconductor k-(BEDT-TTF)2Cu[N(CN)2]Br
    M. Lang, Ch. Strack, C. Akinci, B. Wolf, J.A. Schlueter, J. Wosnitza, D. Schweitzer
    Physica B 359-361, 427 (2005)
  • Magnetic properties of a metal-organic antiferromagnet on a distorted honeycomb lattice
    I. Spremo, F. Schuetz, P. Kopietz, V. Pashchenko, B. Wolf, M. Lang, J. Bats, C. Hu, M. U. Schmidt
    Phys. Rev. B 72, 174429 (2005)
  • Resistivity studies under hydrostatic pressure on a low-resistance variant of the quasi-2D organic superconductor k-(BEDT-TTF)2Cu[N(CN)2]Br: quest for intrinsic scattering contributions
    Ch. Strack, C. Akinci, B. Wolf, M. Lang, J.A. Schlueter, J. Wosnitza, D. Schweitzer, J. Müller
    Phys. Rev. B 72, 054511 (2005)
  • Magnetic properties of two double-layer structures built from hydroxynaphthoic acids and manganese
    M. U. Schmidt, E. Alig, L. Fink, M. Bolte, R. Panisch, V. Pashchenko, B. Wolf, M. Lang
    Acta Cryst. C61, m361 (2005)
  • Magnetoelastic and magnetothermal properties of low-dimensional quantum spin systems in high magnetic fields – a case study
    B. Wolf, A. Brühl, J. Magerkurth, S. Zherlitsyn, V. Pashchenko, B. Brendel, G. Margraf, H.-W. Lerner, M. Wagner, B. Lüthi , M. Lang
    J. Magn. Magn. Mat. 290-291, 411 (2005)

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2004

  • Non-Fermi liquid normal state of the Heavy Fermion superconductor UBe13
    P. Gegenwart, C. Langhammer, R. Helfrich, N. Oeschler, M. Lang, J.S. Kim, G.R. Stewart, F. Steglich
    Physica C 408-410, 157 (2004)
  • Structural and magnetic investigations on a new molecular quantum magnet
    V. Pashchenko, B. Brendel, B. Wolf, M. Lang, M. Kollar, F. Schütz, P. Kopietz, Y. Molodtsova, O. Shchegolikhina, N. Auner, J. Bats
    J. Magn. Magn. Mat. 272-276, e755 (2004)
  • Low-dimensional quantum spin systems in pulsed magnetic fields
    B. Wolf, S. Zherlitsyn, U. Löw, B. Lüthi, V. Pashchenko, M. Lang
    Physica B 346-347, 19 (2004)
  • Glass-like transition in k-(ET)2Cu[N(CN)2]Br at Tg ~ 75 K – implications for the superconducting ground-state properties
    J. Müller, M. Lang, F. Steglich, J.A. Schlueter
    J. Phys. IV France 114, 341 (2004)
  • Anomalous thermal expansion behaviour in (TMTTF)2 (PF6 and (TMTSF)2PF6 around 100K: indications for a strong spin-phonon interaction?
    M. Lang, J. Müller, F. Steglich, A. Brühl, B. Wolf, M. Dumm, M. Dressel
    J. Phys. IV France 114, 111 (2004)
  • Acoustic and magnetic anomalies near the saturation field of the S=1/2 antiferromagnetic Heisenberg chain studied on a Cu(II) coordination polymer
    B. Wolf, S. Zherlitsyn, B. Lüthi, V. Pashchenko, M. Lang, E. Dahlmann, F. Ritter, W. Aßmus, G. Margraf, H.-W. Lerner, M. Wagner, N. Harrison, U. Löw
    Phys. Rev. B 69, 092403 (2004)

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2003

  • Phase-Transition Anomalies in the Lattice Response Around 40K in Superconducting k-(BEDT-TTF)2X (invited paper)
    M. Lang, J. Müller, F. Steglich, J.A. Schlueter, A.M. Kini, T. Sasaki
    Synth. Metals 133-134, 107 (2003)
  • Uniaxial-Pressure Effects on CeIrIn5 and CeCoIn5 Studied by Low-Temperature Thermal Expansion
    N. Oeschler, P. Gegenwart, M. Lang, R. Movshovich, J.L. Sarrao, J.D. Thompson and F. Steglich
    Phys. Rev. Lett. 91, 76402 (2003)
  • High-resolution magnetization studies of the heavy-fermion superconductor CeCu2Si2 at very low temperatures and in high magnetic fields
    T. Tayama, M. Lang, T. Lühmann, F. Steglich, W. Aßmus
    Phys. Rev. B 67, 214504 (2003)
  • High-Resolution AC-Calorimetry Studies on k-(ET)2Cu(NCS)2: A Strong-Coupling Superconductor with Finite Energy Gap
    J. Müller, M. Lang, R. Helfrich, F. Steglich, T. Sasaki
    Synth. Metals 133-134, 235 (2003)

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2002

  • Low-temperature specific heat of non-charge ordered Yb4(As0.36Sb0.64)3 and (Yb0.87Lu0.13)4As3
    T. Cichorek, H. Aoki, P. Gegenwart, M. Lang, A. Ochiai, F. Steglich
    Physica B 312, 370 (2002)
  • Influence of interchain-coupling effects on the low-T properties of the one-dimensional S=1/2 Heisenberg antiferromagnetic Yb4As3
    H. Aoki, T. Cichorek, P. Gegenwart, J. Custers, M. Lang, A. Ochiai, F. Steglich
    Physica B 312, 367 (2002)
  • Spin Excitations of the one-dimensional S=1/2 Heisenberg antiferromagnet Yb4As3 under magnetic field
    M. Kohgi, K. Iwasa, J.-M. Mignot, B. Fåk, A. Hiess, P. Gegenwart, M. Lang, A. Ochiai, H. Aoki, T. Suzuki
    Physica B 312, 359 (2002)
  • Thermodynamic and transport properties of the one-dimensional S=1/2 antiferromagnetic Yb4As3 (invited paper)
    P. Gegenwart, H. Aoki, T. Cichorek, J. Custers, N. Harrison, M. Jaime, M. Lang, A. Ochiai, F. Steglich
    Physica B 312, 315 (2002)
  • Low-Temperature Specific Heat for Off- and Near-Stoichiometric UAsSe
    T. Cichorek, Z. Henkie, A. Wojakowski, A. Pietraszko, P. Gegenwart, M. Lang, F. Steglich
    Solid State Commun. 121, 647 (2002)
  • Magnetic Field Response in (U,Th)Be13 (invited paper)
    F. Kromer, N. Oeschler, T. Tayama, K. Tenya, T. Cichorek, M. Lang, F. Steglich, J.S. Kim, G.R. Stewart
    J. Low Temp. Phys. 126 (3), 815 (2002)
  • Evidence for Structural and Electronic Instabilities at Intermediate Temperatures in k-(BEDT-TTF)2X for X=Cu[N(CN)2]Cl, Cu[N(CN)2]Br and Cu(NCS)2: Implications for the Phase Diagram of these Quasi-2D Organic Superconductors
    J. Müller, M. Lang, F. Steglich, J.A. Schlueter, A.M. Kini, T. Sasaki
    Phys. Rev. B 65, 144521 (2002)
  • High-Resolution AC-Calorimetry Studies of the Quasi-2D Organic Superconductor k-(BEDT-TTF)2Cu(NCS)2
    J. Müller, M. Lang, R. Helfrich, F. Steglich, T. Sasaki
    Phys. Rev. B 65, 140509(R) (2002)

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2001

  • Superconductivity and Magnetism in Heavy-Fermion Metals
    F. Steglich, P. Gegenwart, C. Geibel, P. Hinze, M. Lang, C. Langhammer, G. Sparn, T. Tayama, P. Thalmeier, O. Trovarelli, N. Sato, T. Dahm, G. Varelogiannis
    Proc. Aspen Winter Conference on „50 Years of Condensed Matter Physics“ N. Phuang Ong and Ravin N. Bhatt, eds. (Princeton University Press, 2001) p. 191
  • Low-Temperature Resistivity and Susceptibility of the Low-Carrier Density, Onedimensional S = ½ Antiferromagnet Yb4As3
    P. Gegenwart, T. Cichorek, J. Custers, M. Lang, H. Aoki, A. Ochiai, F. Steglich
    J. Magn. Magn. Mat. 226-230, 630 (2001)
  • Staggered Field Effect on the Onedimensional S = ½ Antiferromagnet Yb4As3
    M. Kohgi, K. Iwasa, J.-M. Mignot, B. Fåk, P. Gegenwart, M. Lang, A. Ochiai, H. Aoki, T. Suzuki
    Phys. Rev. Lett. 86, 2439 (2001)
  • Low-Energy Excitations of the Semimetallic Onedimensional S = ½ Antiferromagnet Yb4As3
    B. Schmidt, H. Aoki, T. Cichorek, J. Custers, P. Gegenwart, M. Kohgi, M. Lang, C. Langhammer, A. Ochiai, S. Paschen, F. Steglich, T. Suzuki, P. Thalmeier, B. Wand, A. Yaresko
    Physica B 300, 121 (2001)

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2000

  • Evidence for Magnons and Solitons in the Onedimensional S = ½ Antiferromagnet Yb4As3
    M. Lang, M. Köppen, P. Gegenwart, T. Cichorek, P. Thalmeier, F. Steglich, A.Ochiai
    Physica B 281 & 282, 458 (2000)
  • Non-Fermi-Effects at Ambient Pressure in the Stoichiometric Heavy-Fermion Compound YbRh2Si2
    O. Trovarelli, C. Geibel, C. Langhammer, S. Mederle, P. Gegenwart, F.M. Grosche, M. Lang, G. Sparn, F. Steglich
    Physica B 281& 282, 372 (2000)
  • Incipient Superconductivity and NFL Behavior in Off-Stoichiometric Ce1+xNi2+yGe2+z
    P. Gegenwart, P. Hinze, C. Geibel, M. Lang, F. Steglich
    Physica B 281 & 282, 5 (2000)
  • Non-Fermi-Liquid Effects in Stoichiometric 4f-Electron Metals at Ambient Pressure
    F. Steglich, P. Gegenwart, C. Geibel, P. Hinze, M. Lang, C. Langhammer, G. Sparn, O. Trovarelli
    Physica B 280, 349 (2000)
  • Unconventional Normal-State Properties and Superconductivity in Heavy-Fermion Metals
    F. Steglich, N. Sato, T. Tayama, T. Lühmann, C. Langhammer, P. Gegenwart, P. Hinze, C. Geibel, M. Lang, G. Sparn, W. Aßmus
    Physica C 341-348, 691 (2000)
  • YbRh2Si2: Pronounced Non-Fermi-Liquid Effects above a Low-Lying Magnetic Phase Transition
    O. Trovarelli, C. Geibel, S. Mederle, C. Langhammer, F.M. Grosche, P. Gegenwart, M. Lang, G. Sparn, F. Steglich
    Phys. Rev. Lett. 85, 626 (2000)
  • Thermal-Expansion Studies on Superconducting U1-xThxBe13 (0 £ x £ 0.052): New Aspects of the T-X Phase Diagram
    F. Kromer, M. Lang, N. Oeschler, P. Hinze, C. Langhammer, F. Steglich, J.S. Kim, G.R. Stewart
    Phys. Rev. B 62, 12477 (2000)
  • Comparative thermal-Expansion Study of ß“-(ET)2SF5CH2CF2SO3 and k-(BEDT-TTF)2Cu(NCS)2: Uniaxial-Pressure Coefficients of Tc and Upper Critical Fields
    J. Müller, M. Lang, F. Steglich, J.A. Schlueter, A.M. Kini, U. Geiser, J. Mohtasham, R.W. Winter, G.L. Gard, T. Sasaki, N. Toyota
    Phys. Rev. B 61, 11739 (2000)
  • Magnon and Soliton Excitations in the Carrier-Poor, Onedimensional S = ½ Antiferromagnet Yb4As3
    F. Steglich, M. Köppen, P. Gegenwart, T. Cichorek, B. Wand, M. Lang, P. Thalmeier, B. Schmidt, H. Aoki, A. Ochiai
    Acta Physica Polonica A 97, 91 (2000)
  • On the Relationship of Magnetism and Superconductivity in Materials Containing Partially Filled f Shells
    F. Steglich, P. Gegenwart, P. Hinze, C. Langhammer, C. Geibel, M. Lang, G. Sparn
    J. Phys. Soc. Jpn. 69, 71 (2000)

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1999

  • A Thermal-Expansion Study on the B-T Phase Diagrams of U1-xThxBe13 for
    0 £ x £ 0.03
    F. Kromer, M. Lang, F. Steglich, J.S. Kim, G.R. Stewart
    Physica B 259-261, 623 (1999)
  • New Results on the Low-T Phase Diagram of U1-xThxBe13: A Thermodynamic Study (invited paper)
    M. Lang, R. Helfrich, F. Kromer, C. Langhammer, F. Steglich, G.R. Stewart, J.S. Kim
    Physica B 259-261, 608 (1999)
  • Evidence for an Antiferromagnetic Quantum Critical Point Near Stoichiometric CeCu2Si2
    P. Gegenwart, M. Lang, A. Link, G. Sparn, C. Geibel, F. Steglich, W. Aßmus
    Physica B 259-261, 403 (1999)
  • Field-Induced Low-Temperature Anomaly in κ-(BEDT-TTF)2Cu(NCS)2
    J. Müller, M. Köppen, M. Lang, F. Steglich, T. Sasaki, N. Toyota
    Synth. Met. 103, 1889 (1999)
  • Solitary Magnetic Excitations in the Low-Carrier Density, Onedimensional S = ½ Antiferromagnet Yb4As3
    M. Köppen, M. Lang, R. Helfrich, F. Steglich, P. Thalmeier, B. Schmidt, B. Wand, D. Pankert, H. Benner, H. Aoki, A. Ochiai
    Phys. Rev. Lett. 82, 4548 (1999)
  • Non-Fermi-Liquid-Effects at Ambient Pressure in A Stoichiometric Heavy-Fermion Compound with Very Low Disorder: CeNi2Ge2
    P. Gegenwart, F. Kromer, M. Lang, G. Sparn, C. Geibel, F. Steglich
    Phys. Rev. Lett. 82, 1293 (1999)
  • Anomalous Heavy Fermions in CeNi2Ge2 and CeCu2Si2
    F. Steglich, P. Gegenwart, C. Geibel, F. Kromer, M. Lang and G. Sparn. Physical Phenomena at High Magnetic Fields-III, Z. Fisk, L. Gor’kov, R. Schrieffer (eds.)
    (World Scientific, Singapore, 1999) p. 172

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1998

  • Magnetic and Crystallographic Investigations of the Inorganic Spin-Peierls System a’-NaV2O5
    M. Weiden, R. Hauptmann, C. Geibel, M. Köppen, J. Müller, M. Lang, F. Steglich, N. Weiden, M. Fischer, P. Lemmens, G. Güntherodt
    J. Magn. Magn. Mat. 177-181, 743 (1998)
  • Evidence for the Existence of Two Variants of UBe13
    C. Langhammer, R. Helfrich, A. Bach, F. Kromer, M. Lang, T. Michels, M. Deppe, F. Steglich, G.R. Stewart
    J. Magn. Magn. Mat. 177-181, 443 (1998)
  • New Observations Concerning the Low-Temperature Properties of the Carrier-Poor Heavy-Fermion System Yb4As3
    R. Helfrich, M. Köppen, M. Lang, F. Steglich, A. Ochiai
    J. Magn. Magn. Mat. 177-181, 309 (1998)
  • UBe13: Another Phase Transition Below Tc? (invited paper)
    F. Kromer, R. Helfrich, M. Lang, F. Steglich, C. Langhammer, A. Bach, T. Michels, J.S. Kim, G.R. Stewart
    Chin. J. Phys. 36, 157 (1998)
  • CeCu2Si2 and UBe13: New Questions – Old Answers? (invited paper)
    F. Steglich, C. Geibel, R. Helfrich, F. Kromer, M. Lang, G. Sparn, P. Gegenwart, L. Donnevert, C. Langhammer, A. Link, J.S. Kim, G.R. Stewart
    J. Phys. Chem. Solids 59, 2190 (1998)
  • Revision of the Phase Diagram of Superconducting U1-xThxBe13
    F. Kromer, R. Helfrich, M. Lang, F. Steglich, C. Langhammer, A. Bach, T. Michels, J.S. Kim, G.R. Stewart
    Phys. Rev. Lett. 81, 4476 (1998)
  • Breakup of Heavy Fermions on the Brink of “Phase A” in CeCu2Si2
    P. Gegenwart, L. Donnevert, C. Langhammer, R. Horn, A. Link, C. Geibel, R. Helfrich, M. Lang, G. Sparn, F. Steglich, W. Aßmus
    Phys. Rev. Lett. 81, 1501 (1998)
  • Interference of A First-Order Transition with the Formation of A Spin-Peierls State in a’-NaV2O5
    M. Köppen, D. Pankert, R. Hauptmann, M. Lang, M. Weiden, C. Geibel, F. Steglich
    Phys. Rev. B 57, 8466 (1998)

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1997

  • Observation of Superconductivity-Induced Phonon Frequency Changes in the Organic Superconductor k-(BEDT-TTF)2Cu(NCS)2
    L. Pintschovius, H. Rietschel, T. Sasaki, H. Mori, S. Tanaka, N. Toyota, M. Lang, F. Steglich
    Europhys. Lett. 37, 627 (1997)
  • Non-Fermi-Liquid Phenomena in Heavy-Fermion CeCu2Si2 and CeNi2Ge2 (invited paper)
    F. Steglich, P. Hellmann, S. Thomas, P. Gegenwart, A. Link, R. Helfrich, G. Sparn, M. Lang, C. Geibel, W. Aßmus
    Physica B 237-238, 192 (1997)
  • Non-Fermi-Liquid Behavior in CeCu2Si2 at the Disappearance of the Presumably Magnetically Ordered “A-Phase”
    P. Gegenwart, M. Lohmann, M. Lang, R. Helfrich, C. Langhammer, M. Köppen, C. Geibel, F. Steglich, W. Aßmus
    Physica B 230-232, 572 (1997)
  • Multiple Magnetic Phase Transitions in Ce(Cu1-xNix)2Ge2
    G. Sparn, M. Deppe, L. Donnervert, C. Geibel, P. Hellmann, K. Heuser, M. Köppen, M. Lang, F. Laube, A. Link, S. Thomas, F. Steglich
    Physica B 230-232, 317 (1997)
  • Thermal-Expansion Studies on the Low-T Phase Diagram of k-(BEDT-TTF)2KHg(SCN)4
    M. Köppen, F. Kromer, M. Lang, F. Steglich, T. Sasaki, N. Toyota, H. Tajima
    Synth. Met. 86, 2059 (1997)
  • Low-Lying Vibrational States in Superconducting k-(BEDT-TTF)2Cu(NCS)2: Inelastic Neutron Scattering
    N. Toyota, T. Shimazu, T. Sasaki, K. Shibata, T. Kajitani, M. Lang, S. Ikeda
    Synth. Met. 86, 2009 (1997)
  • Are Heavy-Fermion Metals Fermi Liquids? (invited paper)
    F. Steglich, P. Gegenwart, R. Helfrich, C. Langhammer, P. Hellmann, L. Donnervert, C. Geibel, M. Lang, G. Sparn, W. Aßmus, G.R. Stewart, A. Ochiai
    Z. Phys. B 103, 235 (1997)

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1996

  • Superconductivity and Antiferromagnetism in Heavy-Fermion Metals: Coexistence and Competition (invited paper)
    F. Steglich, B. Buschinger, P. Gegenwart, C. Geibel, R. Helfrich, P. Hellmann, M. Lang, A. Link, R. Modler, D. Jaccard, P. Link. Physical Phenomena at High Magnetic Fields-II, Z. Fisk, L. Gor’kov, D. Meltzer, R. Schrieffer, eds.
    (World Scientific, Singapore, 1996) p. 125
  • Generalized Fulde-Ferrell-Larkin-Ovchinnikov State in Heavy-Fermion and Intermediate-Valence Systems
    M. Tachiki, S. Takahashi, P. Gegenwart, M. Weiden, M. Lang, C. Geibel, F. Steglich, R. Modler, C. Paulsen, Y. Onuki
    Z. Phys. B 100, 369 (1996)
  • First-Order Transition between Weak and Strong Pinning in Clean Superconductors with Enhanced Spin Susceptibility
    R. Modler, P. Gegenwart, M. Deppe, M. Lang, M. Weiden, T. Lühmann, C. Geibel, F. Steglich, C. Paulsen, J.L. Tholence, N. Sato, T. Komatsubara, Y. Onuki, M. Tachiki, S. Takahashi
    Phys. Rev. Lett. 76, 1292 (1996)
  • Experimental Evidence for A Generalized FFLO State in Clean Type-II Superconductors with Short Coherence Length and Enhanced Pauli Susceptibility (invited paper)
    F. Steglich, R. Modler, P. Gegenwart, M. Deppe, M. Weiden, M. Lang, C. Geibel, T. Lühmann, C. Paulsen, J.L. Tholence, Y. Onuki, M. Tachiki, S. Takahashi
    Physica C 263, 498 (1996)
  • Theory of a generalized Fulde-Ferrell-Larkin-Ovchinnikov state in heavy fermion and intermediate-valence superconductors
    S. Takahashi, M. Tachiki, R. Modler, P. Gegenwart, M. Lang, F. Steglich
    Physica C 263, 30 (1996)
  • Anomalous Pinning In Superconductors with Strong Pauli Paramagnetism (invited paper)
    Y. Onuki, M. Hedo, Y. Inada, R. Settai, H. Sugawara, Y. Aoki, H. Sato, M. Deppe, P. Gegenwart, C. Geibel, M. Lang, T. Lühmann, R. Modler, M. Weiden, F. Steglich, C. Paulsen, J.L. Tholence, M. Tachiki, S. Takahashi
    Physica B 223 & 224, 28 (1996)
  • New Observations Concerning Magnetism and Superconductivity in Heavy-Fermion Metals (invited paper)
    F. Steglich, P. Gegenwart, C. Geibel, R. Helfrich, P. Hellmann, M. Lang, A. Link, R. Modler, G. Sparn, N. Büttgen, A. Loidl
    Physica B 223 & 224, 1 (1996)
  • Anomalous Peak Effect in Heavy-Fermion, Intermediate- Valence and A15 Superconductors: Evidence for A Fulde-Ferrell-Larkin-Ovchinnikov State? (invited paper)
    P. Gegenwart, M. Deppe, M. Köppen, F. Kromer, R. Modler, M. Lang, M. Weiden, C. Geibel, F. Steglich, T. Fukase, N. Toyota
    Ann. Physik 508, 307 (1996)
  • Quasi-Twodimensional Organic Superconductors (invited paper)
    M. Lang
    Superconductivity Review 2, 1-115 (1996)
  • Quantum Critical Phenomena in Undoped Heavy-Fermion Metals (invited paper)
    F. Steglich, B. Buschinger, P. Gegenwart, M. Lohmann, R. Helfrich, C. Langhammer, P. Hellmann, L. Donnevert, S. Thomas, A. Link, C. Geibel, M. Lang, G. Sparn, W. Aßmus
    J. Phys.: Condens. Matter 8, 9909 (1996)
  • The Role of Magnetic Excitations in Heavy-Fermion Metals – Inferred From Specific-Heat and Resistivity Experiments (invited paper)
    F. Steglich, R. Helfrich, P. Hellmann, P. Gegenwart, A. Link, C. Geibel, M. Lang, G. Sparn, A. Ochiai and G. R. Stewart. Proc. Japanese-German Workshop on “Electrons and Phonons of Strongly Correlated Systems”, T. Goto, A. Hasegawa, A. Ochiai (eds.)
    Niigata (1996) p.12.
  • Superconductivity, Magnetism and Non-Fermi-Liquid Effects in CeCu2Si2 and UBe13 (invited paper)
    F. Steglich, P. Gegenwart, R. Helfrich, P. Hellmann, C. Geibel, M. Lang, G. Sparn, W. Aßmus and G.R. Stewart. Proc. 4th German -Japanese Meeting on “Physics of Strongly Correlated and Low Dimensional Electron Systems”, Y. Endoh, H. Shiba (eds.)
    Kii-Katsura, Japan (1996) p.38.
  • Superconductivity in Quasi-2d Organic (BEDT-TTF)2X Salts (invited paper)
    M. Lang, R. Helfrich, M. Köppen, F. Kromer, F. Steglich, L. Pintschovius, H. Rietschel, T. Sasaki and N. Toyota. Proc. 4th German -Japanese Meeting on “Physics of Strongly Correlated and Low Dimensional Electron Systems”, Y. Endoh, H. Shiba (eds.)
    Kii-Katsura, Japan (1996) p.26.

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1995

  • The Effect of Composition on the Occurrences of A Second Phase Transition in the Vicinity of Tc in CeCu2Si2
    R. Modler, M. Lang, C. Geibel, C. Schank, R. Müller-Reisener, P. Hellmann, A. Link, G. Sparn, W. Aßmus, F. Steglich
    Physica B 206-207, 586 (1995)
  • Thermodynamic Properties of the Spin-Peierls Transition in CuGeO3
    M. Weiden, J. Köhler, G. Sparn, M. Köppen, M. Lang, C. Geibel, F. Steglich
    Z. Phys. B 98, 167 (1995)
  • Classification of Strongly Correlated f-Electron Systems (invited paper)
    F. Steglich, C. Geibel, R. Modler, M. Lang, P. Hellmann, P. Gegenwart
    J. Low Temp. Phys. 99, 267 (1995)

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1994

  • Unusual B-T Phase Diagram of the Heavy-Fermion Superconductor CeCu2Si2
    G. Bruls, B. Wolf, D. Finsterbusch, P. Thalmeier, I. Kouroudis, W. Sun, W. Aßmus, B. Lüthi, M. Lang, K. Gloos, F. Steglich, R. Modler
    Phys. Rev. Lett. 72, 1754 (1994)
  • Thermal-Expansion Derived Uniaxial-Pressure Dependence of Tc of the Quasi-Two-Dimensional Organic Superconductor k-(BEDT-TTF)2Cu(NCS)2
    M. Lang, R. Modler, F. Steglich, N. Toyota, T. Sasaki
    Physica B 194-196, 2005 (1994)
  • Fluctuation Effects and Mixed-State Properties of the Layered Organic Superconductors k-(BEDT-TTF)2Cu(NCS)2 and k-(BEDT-TTF)2 Cu[N(CN)2]Br
    M. Lang, F. Steglich, N. Toyota, T. Sasaki
    Phys. Rev. B 49, 15227 (1994)
  • Consequences of the Low Dimensionality on Magnetic Properties of the Layered Organic Superconductors -(BEDT-TTF)2X for X=Cu(NCS)2 and Cu[N(CN)2]Br (invited paper)
    M. Lang, F. Steglich, N. Toyota and T. Sasaki. Proc. 133rd WE-Heraeus Seminar on High-Temperature Superconductivity, Heavy-Fermions and Low-Dimensional Systems, B. Lüthi, E. Müller-Hartmann (eds.)
    Rottach-Egern (1994), p. 50
  • Magnetism and Superconductivity in Heavy-Fermion Compounds: A Comparison between CeCu2Si2 and UPd2Al3 (invited paper)
    F. Steglich, C. Geibel, K. Gloos, P. Hellmann, M. Lang, R. Modler and G. Sparn. Proc. 133rd WE-Heraeus Seminar on High-Temperature Superconductivity, Heavy-Fermions and Low-Dimensional Systems, B. Lüthi, E. Müller-Hartmann (eds.)
    Rottach-Egern (1994), p. 32
  • Consequences of the Low Dimensionality on Magnetic Properties of the Layered Organic Superconductors k-(BEDT-TTF)2X for X=Cu(NCS)2 and Cu[N(CN)2]Br
    M. Lang, F. Steglich, N. Toyota, T. Sasaki
    Physica C 235-240, 2469 (1994)
  • Phase Diagram of the Magnetic Heavy-Fermion Superconductor UPd2Al3 (invited paper)
    F. Steglich, C. Geibel, K. Gloos, P. Hellmann, R. Köhler, M. Lang, R. Modler, C. Schank
    Physica C 235-240, 95 (1994)

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1993

  • Reversible-Magnetization Derived London Penetration Depth of k-(BEDT-TTF)2X for X=Cu(NCS)2 and X=Cu[N(CN)2]Br: No Indication for Unconventional Superconductivity (invited paper)
    M. Lang, N. Toyota, T. Sasaki
    Synth. Met. 55-57, 2401 (1993)
  • Inelastic Neutron-Scattering Measurements on Hydrogen-Involved Molecular Librations in Superconducting k-(h8-BEDT-TTF)2Cu(NCS)2
    N. Toyota, T. Kajitani, T. Shimazu, K. Shibata, T. Sasaki, M. Lang
    Proc. 5th Int. Symp. On Advanced Nuclear Energy Research (JAERI) (1993) p. 479

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1992

  • Instabilities in Heavy-Fermion Systems (invited paper)
    F. Steglich, U. Ahlheim, C.D. Bredl, C. Geibel, A. Grauel, M. Lang, G. Sparn, A. Loidl, W. Aßmus
    J. Magn. Magn. Mat. 108, 5 (1992)
  • Local-Moment and Itinerant Antiferromagnetism in the Heavy-Fermion System Ce(Cu1-xNix)2Ge2
    A. Loidl, A. Krimmel, K. Knorr, G. Sparn, M. Lang, C. Geibel, S. Horn, A. Grauel, F. Steglich, B. Welslau, N. Grewe, H. Nakotte, F.R. de Boer, A.P. Murani
    Ann. Physik 504, 78 (1992)
  • Magnetic Penetration Depth of k-(BEDT-TTF)2Cu(NCS)2: Strong Evidence for Conventional Cooper Pairing
    M. Lang, N. Toyota, T. Sasaki, H. Sato
    Phys. Rev. Lett. 69, 1443 (1992)
  • Lattice Instabilities in Cuprate Superconductors: A Possible Limiting Mechanism for Tc
    M. Lang, R. Kürsch, A. Grauel, C. Geibel, F. Steglich, H. Rietschel, T. Wolf, Y. Hidaka, K. Kumagai, Y. Maeno, T. Fujita
    Phys. Rev. Lett. 69, 482 (1992)
  • Magnetic Penetration Depth of k-(BEDT-TTF)2Cu[N(CN)2]Br, Determined From the Reversible Magnetization
    M. Lang, N. Toyota, T. Sasaki, H. Sato
    Phys. Rev. B. 46, 5822(R) (1992)

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1991

  • Cooperative Effects in CeCu2Si2 (invited paper)
    M. Lang, R. Modler, U. Ahlheim, R. Helfrich, P.H.P. Reinders, F. Steglich, W. Aßmus, W. Sun, G. Bruls, D. Weber, B. Lüthi
    Physica Scripta T 39, 135 (1991)
  • UPd2Al3 – A New Heavy-Fermion Superconductor with Tc = 2K
    C. Geibel, U. Ahlheim, C.D. Bredl, J. Diehl, A. Grauel, R. Helfrich, H. Kitazawa, R. Köhler, R. Modler, M. Lang, C. Schank, S. Thies, F. Steglich, N. Sato, T. Komatsubara
    Physica C 185-189, 2651 (1991)
  • Thermal-Expansion Derived Lattice Instabilities Near Tc in La2-xMxCuO4 (M: Sr, Ba) and YBa2Cu3O7-δ
    M. Lang, R. Kürsch, F. Steglich, T. Wolf, Y. Maeno, K. Kumagai, Y. Hidaka
    Physica C 185-189, 1347 (1991)
  • Strong Time Dependence of the Sample Length of YBa2Cu3O7-δ between 30 and 70K
    M. Lang, R. Kürsch, F. Steglich, M. Tachiki, T. Wolf
    Physica C 185-189, 939 (1991)
  • Phase Transitions in the Heavy Fermi-Liquid State: CeCu2Si2, UNi2Al3 and UPd2Al3 (invited paper)
    F. Steglich, U. Ahlheim, W. Aßmus, A. Böhm, C.D. Bredl, R. Caspary, C. Geibel, A. Grauel, R. Helfrich, R. Köhler, M. Lang, A. Mehner, R. Modler, C. Schank, C. Wassilew, G. Weber
    Physica C 185-189, 379 (1991)

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1990

  • Magnetic Phase Diagrams in Heavy-Fermion Compounds (invited paper)
    F. Steglich, C. Geibel, S. Horn, U. Ahlheim, M. Lang, G. Sparn, A. Loidl, A. Krimmel, W. Aßmus
    J. Magn. Magn. Mat. 90 & 91, 383 (1990)
  • Alloying Experiments on Heavy-Fermion Compounds (invited paper)
    F. Steglich, U. Ahlheim, C. Schank, C. Geibel, S. Horn, M. Lang, G. Sparn, A. Loidl, A. Krimmel
    J. Magn. Magn. Mat. 84, 271 (1990)
  • Magnetic Order in the Heavy-Fermion System Ce(Cu1-xNix)2Ge2
    G. Sparn, C. Geibel, S. Horn, M. Lang, F. Steglich, A. Krimmel, A. Loidl
    Physica B 165 & 166, 427 (1990)
  • Thermodynamic Properties of Superconducting Single Crystalline CeCu2Si2
    W. Aßmus, W. Sun, G. Bruls, D. Weber, B. Wolf, B. Lüthi, M. Lang, U. Ahlheim, A. Zahn, F. Steglich
    Physica B 165 & 166, 379 (1990)
  • Alloying-Induced Transition From Local-Moment To Itinerant Heavy-Fermion Magnetism in Ce(Cu1-xNix)2Ge2
    F. Steglich, G. Sparn, R. Moog, S. Horn, A. Grauel, M. Lang, M. Nowak, A. Loidl, A. Krimmel, K. Knorr, A.P. Murani, M. Tachiki
    Physica B 163, 19 (1990)

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1989

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1988

  • Thermal Expansion, Sound Velocities, Specific Heat and Pressure Derivative of Tc in YBa2Cu3O7
    M. Lang, T. Lechner, S. Riegel, F. Steglich, G. Weber, T.J. Kim, B. Lüthi, B. Wolf, H. Rietschel, M. Wilhelm
    Z. Phys. B 69, 459 (1988)
  • Heat Conduction and Thermal Expansion of YBa2Cu3O7-δ at Low Temperatures
    G. Sparn, W. Schiebeling, M. Lang, R. Held, U. Gottwick, F. Steglich, H. Rietschel
    Physica C 153-155, 1010 (1988)
  • Structural Phase Transition and Diamagnetism at 36K in La2CuO4
    M. Lang, H. Kneissel, B. Renker, H. Rietschel, H. Spille, F. Steglich
    Physica C 153-155, 974 (1988)
  • Heavy-Fermion Effects in Ce(Cu1-XNix)2Ge2
    G. Sparn, R. Caspary, U. Gottwick, A. Grauel, U. Habel, M. Lang, M. Nowak, R. Schefzyk, W. Schiebeling, H. Spille, M. Winkelmann, A. Zuber, F. Steglich, A. Loidl
    J. Magn. Magn. Mat. 76 & 77, 153 (1988)

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1987

  • Observation of a thermal-expansion anomaly at 36K in La2CuO4
    M. Lang, F. Steglich, R. Schefzyk, T. Lechner, H. Spille, H. Rietschel, W. Goldacker, B. Renker
    Europhys. Lett. 4, 1145 (1987)
  • Phenomenology of Heavy-Fermion Systems. (Invited paper)
    F. Steglich, C.D. Bredl, F.R. de Boer, M. Lang, U. Rauchschwalbe, H. Rietschel, R. Schefzyk, G. Sparn, G.R. Stewart
    Physica Scripta T19, 253 (1987)
  • Thermodynamic and Transport Properties of High-Tc Superconductors
    F. Steglich, U. Ahlheim, D. Ewert, U. Gottwick, R. Held, H. Kneissel, M. Lang, U. Rauchschwalbe, B. Renker, H. Rietschel, G. Sparn, H. Spille
    Physica Scripta 37, 901 (1987)

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1985

  • Specific Heat and Thermal Expansion of CeCu2Si2 at Low Temperature
    C.D. Bredl, W. Lieke, R. Schefzyk, M. Lang, U. Rauchschwalbe, F. Steglich, J.C.P. Klaasse, J. Aarts, F.R. de Boer
    J. Magn. Magn. Mat. 47 & 48, 30 (1985)

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