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Manipulation of the crystal structures and the consequent FMR behaviors in GaAs/Ag/Fe system with an ultrathin Fe seeding layer

机译:具有超薄Fe籽晶层的GaAs / Ag / Fe系统中晶体结构的操纵和随之产生的FMR行为

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摘要

The crystal structures, magnetic properties, and the behaviors of ferromagnetic resonance of the GaAs(001)/Fe/Ag/Fe multilayers with different thicknesses of the Fe seeding layer are investigated. For the first time, a transformation from polycrystal into nearly bcc (001) single-crystal structure is observed in the top Fe layer while the thickness of the Fe seeding layer increases. The frequency of ferromagnetic resonance in Fe/Ag/Fe multilayers can be tuned by varying the strength of the external magnetic field and the thickness of the Fe seeding layer. Also it can be well fitted by the resonance equation. The correlation between crystal structures and ferromagnetic resonance manifests itself.
机译:研究了具有不同厚度的Fe籽晶层的GaAs(001)/ Fe / Ag / Fe多层膜的晶体结构,磁性和铁磁共振行为。首次在顶部Fe层中观察到从多晶到近bcc(001)单晶结构的转变,同时Fe籽晶层的厚度增加。 Fe / Ag / Fe多层膜中的铁磁共振频率可以通过改变外部磁场强度和Fe晶种层的厚度来调整。也可以通过共振方程很好地拟合。晶体结构与铁磁共振之间的相关性已显现出来。

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  • 来源
    《Journal of Applied Physics》 |2009年第2期|940-942|共3页
  • 作者单位

    Department of Applied Physics, National University of Kaohsiung, Kaohsiung 81148, Taiwan, Republic of China;

    Department of Applied Physics, National University of Kaohsiung, Kaohsiung 81148, Taiwan, Republic of China;

    Department of Electrical and Computer Engineering, University of California, Irvine, California, USA;

    Department of Materials Engineering, Tatung University, Taipei 104, Taiwan, Republic of China;

    Institute of Physics, Academia Sinica, Nankang, Taipei 115, Taiwan, Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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