Phase diagram and magnetization of a graphene nanoisland structure

Kai Wang, Peng Yin, Yanli Zhang and Wei Jiang

Physica A: Statistical Mechanics and its Applications, 2018, vol. 505, issue C, 268-279

Abstract: Magnetic properties of a graphene nanoisland structure have been studied by the effective-field theory with correlations. It consists of two triangular interpenetrating sublattices described by Ising model with mixed spin. The results show the exchange coupling and the anisotropy have important influence on the magnetization. The reentrant and staircase effect have been found within a certain parameter range.

Keywords: Graphene nanoisland structure; Phase diagrams; Magnetization; Effective-field theory with correlations (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:505:y:2018:i:c:p:268-279

DOI: 10.1016/j.physa.2018.03.073

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