Browsing by Author "Geibel C."

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  • Electron paramagnetic resonance of Yb3+ ions in a concentrated YbRh2Si2 compound with heavy fermions 
    Ivan'shin V.; Aminov L.; Kurkin I.; Sichelschmidt J.; Stockert O.; Ferstl J.; Geibel C. (2003)
    The EPR signal from localized ytterbium ions was observed in an undoped YbRh2Si2 compound with heavy fermions in the temperature range from 1.5 to 25 K. The exponential contribution dominating the temperature dependence ...
  • Electron spin resonance of the Kondo ion in YbRh2Si2 
    Sichelschmidt J.; Ivanshin V.; Ferstl J.; Geibel C.; Steglich F. (2004)
    By means of electron spin resonance (ESR) we investigated the dynamic magnetic properties of the heavy fermion metal YbRh2Si2. This is the first observation of Yb3+-ESR in YbRh2Si 2 being also the first ESR signal of a ...
  • Electron spin resonance of the low-dimensional spin-system Sr 2V3O9 
    Ivanshin V.; Yushankhai V.; Sichelschmidt J.; Zakharov D.; Kaul E.; Geibel C. (2004)
    The electron spin resonance (ESR) of the quasi-one dimensional vanadium oxide compound Sr2V3O9 has been studied in the temperature range 4.2-500K. The angular variation and the temperature dependence of the ESR linewidth ...
  • ESR study of the anisotropic exchange in the quasi-one-dimensional antiferromagnet Sr2V3O9 
    Ivanshin V.; Yushankhai V.; Sichelschmidt J.; Zakharov D.; Kaul E.; Geibel C. (2003)
    The chainlike spin-1/2 antiferromagnetic vanadium oxide compound Sr 2V3O9 is studied by electron spin resonance (ESR) with special attention to the space distribution of the Dzyaloshinskii-Moriya (DM) vector along magnetic ...
  • Low Temperature Electron Spin Resonance of the Kondo Ion in a Heavy Fermion Metal: YbRh2Si2 
    Sichelschmidt J.; Ivanshin V.; Ferstl J.; Geibel C.; Steglich F. (2003)
    The electron spin resonance (ESR) study on single crystals of the heavy fermion metal YbRh2Si2 was presented. The study showed non-Fermi liquid behavior related to a close antiferromagnetic quantum critical point. It was ...
  • Low temperature properties of the electron spin resonance in YbRh2Si2 
    Sichelschmidt J.; Kambe T.; Fazlishanov I.; Zakharov D.; Krug von Nidda H.; Wykhoff J.; Skvortsova A.; Belov S.; Kutuzov A.; Kochelaev B.; Pashchenko V.; Lang M.; Krellner C.; Geibel C.; Steglich F. (2010)
    We present the field and temperature behavior of the narrow electron spin resonance (ESR) response in YbRh2Si2 well below the single ion Kondo temperature. The ESR g-factor reflects a Kondo-like field and temperature ...
  • Magnetic susceptibility of YbRh2Si2 and YbIr 2Si2 on the basis of a localized 4f electron approach 
    Kutuzov A.; Skvortsova A.; Belov S.; Sichelschmidt J.; Wykhoff J.; Eremin I.; Krellner C.; Geibel C.; Kochelaev B. (2008)
    We consider the local properties of the Yb3+ ion in the crystal electric field in the Kondo lattice compounds YbRh2Si2 and YbIr2Si2. On this basis we have calculated the magnetic susceptibility, taking into account the ...
  • Why could electron spin resonance be observed in a heavy fermion Kondo lattice? 
    Kochelaev B.; Belov S.; Skvortsova A.; Kutuzov A.; Sichelschmidt J.; Wykhoff J.; Geibel C.; Steglich F. (2009)
    We develop a theoretical basis for understanding the spin relaxation processes in Kondo lattice systems with heavy fermions as experimentally observed by electron spin resonance (ESR). The Kondo effect leads to a common ...

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