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Low-temperature properties of ferromagnetic–antiferromagnetic double layer superlattices

Author

Listed:
  • Jiang, Wei
  • Guo, An-Bang
  • Bai, Bao-Dong
  • Wei, Guo-Zhu

Abstract

Low-temperature magnetic properties of a Heisenberg model consisting of ferro- and antiferromagnetic layer superlattices are studied by using spin-wave theory and retarded Green's function method. The four-sublattice magnetizations and internal energy and specific heat at low temperature are calculated. The results of various physical quantities are shown for different sets of intra- and interplane coupling interactions. There is a crossover between sublattice magnetizations in each layer is affected by quantum fluctuations, thermal fluctuations and frustration of spins.

Suggested Citation

  • Jiang, Wei & Guo, An-Bang & Bai, Bao-Dong & Wei, Guo-Zhu, 2007. "Low-temperature properties of ferromagnetic–antiferromagnetic double layer superlattices," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 384(2), pages 377-386.
    • Handle: RePEc:eee:phsmap:v:384:y:2007:i:2:p:377-386
    DOI: 10.1016/j.physa.2007.01.020
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    Cited by:

    1. Guo, An-Bang & Jiang, Wei & Zhang, Na, 2018. "Quantum effects on a graphene-like material with four-sublattice," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 490(C), pages 1138-1149.

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