Low-temperature properties of ferromagnetic–antiferromagnetic double layer superlattices

Wei Jiang, An-Bang Guo, Bao-Dong Bai and Guo-Zhu Wei

Physica A: Statistical Mechanics and its Applications, 2007, vol. 384, issue 2, 377-386

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.

Keywords: Spin-wave theory; Ferro-antiferromagnetic double layer superlattices; Quantum fluctuation; Frustration (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:384:y:2007:i:2:p:377-386

DOI: 10.1016/j.physa.2007.01.020

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