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Critical and High-Temperature Spin Dynamics in Two 3-D and Two 2-D Ferromagnets

  • W. L. C. Rutten
  • J. C. Verstelle
Conference paper

Abstract

The uniform relaxation rate for H=0 in 2-dim. Cu(CnH2n+1NH3)2Cl4 (n=1,2) and 3-dim. CuX2Br4.2H2O (X=Rb,NH4) has been measured from Tc-room temperature and compared with theory in the oritical region.The agreement is satisfactory if antisymmetric exchange is included. Comparison of (x.e−1 T)critical vs. ε for the four compounds shows universal behaviour.

Keywords

Relaxation Rate Relate Phenomenon Identical Behavior Present Measurement Spin Dynamics 
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References

  1. 1.
    Maleev, S.V. Sov Phys.-JETP, 42, 713 (1976)ADSGoogle Scholar
  2. 2.
    Huber, D.L. J.Phys. Chem. Solids, 32, 2145 (1971)ADSCrossRefGoogle Scholar
  3. 3.
    de Jong,W.M. and Veretelle, J.C. Physics 82B, 288 (1976)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • W. L. C. Rutten
    • 1
  • J. C. Verstelle
    • 1
  1. 1.Kamerlingh Onnes LaboratoryUniversity of LeidenLeidenThe Netherlands

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