Monte Carlo simulation on magnetic properties in triangular Heisenberg system with single-ion anisotropy

被引：0
|
作者：
Yao, Xiaoyan [1 ]
机构：
[1] Southeast Univ, Dept Phys, Nanjing 211189, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2011年 / 208卷 / 10期
基金：
中国国家自然科学基金;
关键词：
anisotropy; frustration; Monte Carlo simulation; step-like magnetization; ONE-DIMENSIONAL CA3CO2O6; COMPOUND; CRYSTAL; LATTICE;
D O I：
10.1002/pssa.201084187
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic properties dependent on temperature and external magnetic field in the spin frustrated triangular system are investigated by using Monte Carlo (MC) simulation on a Heisenberg spin model. The single-ion anisotropy with different magnitudes is introduced to scrutinize the variation of magnetic behavior. It is revealed that the strong anisotropy is an essential key to induce the step-like magnetization as a function of magnetic field, as observed in the triangular spin-chain compound Ca3Co2O6 at low temperature. Furthermore, the critical temperature, at which the stepwise magnetic behavior emerges is raised by increasing the anisotropy. This is attributed to the collinear spin structure strengthened by the anisotropy. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：2357 / 2360
页数：4
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