Magnetism of One-Dimensional Dipolar-Interaction Spin Chains with Perpendicular Anisotropy

We have investigated the magnetism of one-dimensional dipolar-interaction spin chains with perpendicular anisotropy by simulation. The behaviors of the magnetizations and the orientation correlations change dramatically as the anisotropy increases to the critical value. The domain length can be cont...

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Bibliographic Details
Published in:Communications in theoretical physics 2011-05, Vol.55 (5), p.913-916, Article 913
Main Authors: Zhang, Kai-Cheng (开成 张), Zhu, Yan (岩朱)
Format: Article
Language:English
Subjects:
Anisotropy
Competition
Controlled atmospheres
Correlation
Magnetism
Orientation
Simulation
Theoretical physics
一维
临界值
垂直各向异性
相互作用
磁偶极
磁化强度
磁性
自旋链
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Summary:We have investigated the magnetism of one-dimensional dipolar-interaction spin chains with perpendicular anisotropy by simulation. The behaviors of the magnetizations and the orientation correlations change dramatically as the anisotropy increases to the critical value. The domain length can be controlled by adjusting the temperature and the external field as well as the anisotropy. These properties are interesting and arise from the competition between the anisotropy and the interaction along the chain.
ISSN:0253-6102
DOI:10.1088/0253-6102/55/5/32