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铁磁/反铁磁双层薄膜中应力各向异性研究 被引量：3

Study on stress anisotropy in a ferromagnetic and antiferromagnetic bilayer films
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摘要 采用铁磁共振方法,研究了铁磁/反铁磁双层薄膜中交换各向异性和应力各向异性对其物理性质的影响.结果表明,单向各向异性来源于界面交换作用,应力各向异性对材料的磁化难易程度有较大影响.当外磁场方向与应力场方向平行时,应力场的存在将促进该方向的磁化.反之,应力场将会阻碍该方向的磁化. The effect of exchange anisotropy and stress anisotropy on properties of a ferromagnetic and antiferromagnetic bilayer films are investigated by using ferromagnetic resonance method. It is shown that exchange anisotropy results from the unidirectional anisotropy. And stress anisotropy has large effect on hard or easy magnetization direction. Resonance frequency is shifted to high or low value, lindwidth is broaden or sharpen depend on angle of external magnetic field. When external magnetic field direction and stress field direction are parallel, the existence of stress field will accelerate the magnetization of this direction. On the contrary, it will block the magnetization of that direction.
作者 荣建红 云国宏
机构地区 内蒙古大学理工学院物理系
出处 《原子与分子物理学报》 CAS CSCD 北大核心 2007年第4期745-749,共5页 Journal of Atomic and Molecular Physics
基金 教育部新世纪优秀人才支持计划资助(2005) 教育部科学技术研究重点项目(206024) 国家自然科学基金(10147203)
关键词 铁磁/反铁磁双层薄膜 铁磁共振 立方和单轴各向异性 交换各向异性 应力各向异性 ferromagnetic and antiferromagnetic bilayer films, ferromagnetic resonance, cubic and uniaxial anisotropy, exchange anisotropy, stress anisotropy
分类号 O521 [理学—高压高温物理]
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参考文献15

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共引文献14

同被引文献44

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引证文献3

二级引证文献8

原子与分子物理学报
2007年 第4期

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