Quantum criticality in transition-metal oxides and chalcogenides and in frustrated lattices

• Applicant: Privatdozent Dr. Norbert Büttgen
• Subject Area: Experimental Condensed Matter Physics
• Term: from 2007 to 2014
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 48554140

Final Report Abstract

No abstract available

Publications

• Effect of pressure on the electron spin resonance of a heavy-fermion metal, Phys. Rev. B 81, 205116 (2010)
  J. Sichelschmidt, J. Wykhoff, T. Gruner, C. Krellner, C. Klingner, C. Geibel, F. Steglich, H.-A. Krug von Nidda, D. V. Zakharov, A. Loidl, and I. Fazlizhanov
  (See online at https://doi.org/10.1103/PhysRevB.81.205116)
• Magnetostructural Transitions in a Frustrated Magnet at High Fields, Phys. Rev. Lett. 106, 247202 (2011)
  V. Tsurkan, S. Zherlitsyn, V. Felea, S. Yasin, Yu. Skourski, J. Deisenhofer, H.-A. Krug von Nidda, P. Lemmens, J. Wosnitza, and A. Loidl
  (See online at https://doi.org/10.1103/PhysRevLett.106.247202)
• Orbital fluctuations and orbital order below the Jahn-Teller transition in Sr3Cr2O8. Phys. Rev. B 83, 201102 (2011)
  Zhe Wang, M. Schmidt, A. Günther, S. Schaile, N. Pascher, F. Mayr, Y. Goncharov, D. L. Quintero-Castro, A. T. M. N. Islam, B. Lake, H.-A. Krug von Nidda, A. Loidl, and J. Deisenhofer
  (See online at https://doi.org/10.1103/PhysRevB.83.201102)
• Phonon anomalies and possible local lattice distortions in giant magnetocapacitive CdCr2S4, Phys. Rev. B 84, 045106 (2011)
  V. Gnezdilov, P. Lemmens, Yu. G. Pashkevich, Ch. Payen, K. Y. Choi, J. Hemberger, A. Loidl, and V. Tsurkan
  (See online at https://doi.org/10.1103/PhysRevB.84.045106)
• Infrared phonons and specific heat in the gapped quantum magnet Ba3Cr2O8, Phys. Rev. B 85, 224304 (2012)
  Zhe Wang, M. Schmidt, A. Günther, F. Mayr, Yuan Wan, S.-H. Lee, H. Ueda, Y. Ueda, A. Loidl, and J. Deisenhofer
  (See online at https://doi.org/10.1103/PhysRevB.85.224304)
• Magnetic ground state and twodimensional behavior in pseudo-kagome layered system Cu3Bi(SeO3)2O2Br, Phys. Rev. B 86, 144409 (2012)
  M. Pregelj, O. Zaharko, A. Günther, A. Loidl, V. Tsurkan, and S. Guerrero
  (See online at https://doi.org/10.1103/PhysRevB.86.144409)
• Spin-lattice coupling in the frustrated antiferromagnet ZnCr2Se4 probed by ultrasound, Phys. Rev. B 86, 104420 (2012)
  V. Felea, S. Yasin, A. Günther, J. Deisenhofer, H.-A. Krug von Nidda, S. Zherlitsyn, V. Tsurkan, P. Lemmens, J. Wosnitza, and A. Loidl
  (See online at https://doi.org/10.1103/PhysRevB.86.104420)
• Terahertz spectroscopy in the pseudo-Kagome system Cu3Bi(SeO3)2O2Br, Phys. Rev. B 86, 174411 (2012)
  Zhe Wang, M. Schmidt, Y. Goncharov, V. Tsurkan, H.-A. Krug von Nidda, A. Loidl, and J. Deisenhofer
  (See online at https://doi.org/10.1103/PhysRevB.86.174411)
• Magnetic properties of the multiferroic chromium thio-spinels CdCr2S4 and HgCr2S4, Eur. Phys. J. B 86, 148 (2013)
  Ola Hartmann, Georg Michael Kalvius, Roger Wäppling, Axel Günther, Vladimir Tsurkan, Alex Krimmel, and Alois Loidl
  (See online at https://doi.org/10.1140/epjb/e2013-31094-4)
• Magnetism of Pd1−xNix alloys near the critical concentration for ferromagnetism, Phys. Rev. B 89, 064418 (2014)
  G. M. Kalvius, O. Hartmann, R. Wäppling, A. Günther, A. Krimmel, A. Loidl, D. E. MacLaughlin, O. O. Bernal, G. J. Nieuwenhuys, M. C. Aronson, R. P. Dickey, M. B. Maple, A. Amato, and C. Baines
  (See online at https://doi.org/10.1103/PhysRevB.89.064418)