Random Field to Spin Glass Crossover Behavior in the Random

  • D. Coutinho-Filho
  • Published 2006


A b s t r a c t An overview of the thermodynamic and critica1 properties of the Ising antiferromagnet (AF) Fe,Zni-,F2 is presented for a large range of x. For x > 0.4 and under a not very intense field this compound is recognized as a physical realization of the random field Ising model (RFIM) problem. In this regime, a long-range ordered (LRO) AF ground… (More)


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