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  • 文献标题:   Phase diagram and magnetization of a graphene nanoisland structure
  • 文献类型:   Article
  • 作　　者:   WANG K, YIN P, ZHANG YL, JIANG W
  • 作者关键词:   graphene nanoisland structure, phase diagram, magnetization, effectivefield theory with correlation
  • 出版物名称:   PHYSICA ASTATISTICAL MECHANICS ITS APPLICATIONS
  • ISSN:   0378-4371 EI 1873-2119
  • 通讯作者地址:   Shenyang Univ Technol
  • 被引频次:   16
  • DOI:   10.1016/j.physa.2018.03.073
  • 出版年:   2018

▎ 摘　　要

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. (C) 2018 Elsevier B.V. All rights reserved.