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In-plane spin reorientation transition in a two-dimensional ferromagnetic/antiferromagnetic system studied using Monte Carlo simulations

机译:使用蒙特卡洛模拟研究二维铁磁/反铁磁系统中的面内自旋重取向转变

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摘要

We investigated the in-plane spin reorientation transition (SRT) in a two-dimensional ferromagnetic/ antiferromagnetic system by using Monte Carlo simulation based on the Heisenberg model. The temperature-driven SRT in the ferromagnetic layer is studied for the case of that the antiferromagnetic layer has an uniaxial in-plane or fourfold in-plane anisotropy. For the case of an uniaxial in-plane anisotropy in the antiferromagnetic layer, the ferromagnetic layer spin processes a 90° in-plane SRT from perpendicular to parallel direction of the anisotropy. For the case of a fourfold in-plane anisotropy in the antiferromagnetic layer, the ferromagnetic layer spin processes a 45° in-plane SRT. We also studied the Curie temperature of the ferromagnetic layer and find a significant reduction in the Curie temperature as the Curie temperature is close to the SRT temperature.
机译:我们使用基于Heisenberg模型的蒙特卡罗模拟研究了二维铁磁/反铁磁系统中的面内自旋重取向转变(SRT)。对于反铁磁层具有单轴面内或四倍面内各向异性的情况,研究了铁磁层中的温度驱动SRT。对于反铁磁层中的单轴面内各向异性的情况,铁磁层自旋处理从垂直于各向异性的平行方向到平面的90°面内SRT。对于反铁磁层中的四倍平面内各向异性的情况,铁磁层自旋处理45°平面内SRT。我们还研究了铁磁层的居里温度,并发现居里温度与SRT温度接近时,居里温度显着降低。

著录项

  • 来源
    《Physical review》 |2009年第17期|174407.1-174407.6|共6页
  • 作者单位

    Department of Physics, Kyung Hee University, Seoul 130-701, Korea;

    Department of Physics, Kyung Hee University, Seoul 130-701, Korea;

    Department of Physics, Kyung Hee University, Seoul 130-701, Korea;

    Department of Physics, Fudan University, Shanghai 200433, People's Republic of China;

    Department of Physics, University of California at Berkeley, Berkeley, California 94720, USA;

    Department of Physics, Kyung Hee University, Seoul 130-701, Korea Research Institute for Basic Sciences, Kyung Hee University, Seoul 130-701, Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    magnetic properties of monolayers and thin films; magnetic anisotropy;

    机译:单层和薄膜的磁性磁各向异性;

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