Quadrupole Interaction at 169Tm in Cubic TmZn

  • G. A. Stewart


Cubic TmZn is of special interest because it undergoes a pure quadrupolar structural phase transition at TQ=8.55 K closely followed by a ferromagnetic transition at TC=8.12 K1,2. The tetragonal strain induced below TQ by the ordered quadrupoles is preceeded at higher temperatures by a strong softening of the C11-C12 elastic mode. Because the quadrupole splitting of the 169Tm, 8.4 keV Mössbauer resonance is an extremely sensitive probe of the local 4f quadrupole moment3, it was decided to apply this microscopic technique to TmZn in the vicinity of TQ.


Electron Paramagnetic Resonance Crystal Field Quadrupole Splitting Electric Field Gradient Triplet Ground State 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • G. A. Stewart
    • 1
  1. 1.Institut für Atom- und Festkörperphysik FreieUniversität BerlinDeutschland

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