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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Post annealing induced magnetic anisotropy in CoFeSi thin films on MgO(001)
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Post annealing induced magnetic anisotropy in CoFeSi thin films on MgO(001)

机译：在MgO上的Cofesi薄膜中诱导磁各向异性诱导磁各向异性（001）

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摘要

Co61Fe26Si13 (CoFeSi) thin films were deposited on MgO(001) substrates by magnetron sputtering and were annealed at different temperatures (T-a). X-ray diffraction revealed that the crystal structure varies from the as-deposited amorphous phase to the cubic phase when T-a = 800 degrees C, indicating the re-crystallization process after annealing treatment. The static magnetic property measurements show a gradually four-fold cubic anisotropy dominating the magnetic anisotropy with the increasing T-a. The ferromagnetic resonance technique based on vector network analyzer was utilized to analyze the dynamic magnetic properties. CoFeSi film annealed at 600 degrees C presents an obvious in-plane uniaxial magnetic anisotropy, and it presents a low effective damping constant of around 0.011 with a natural resonance frequency of around 3.4 GHz. However, the CoFeSi film annealed at 800 degrees C showed a strong cubic magnetocrystalline anisotropy and full-in-plane-direction workable natural resonance frequency at around 2.5 GHz.
机译：CO61FE26SI13（COFESI）通过磁控溅射沉积在MgO（001）衬底上沉积薄膜，并在不同温度（T-A）下退火。 X射线衍射显示，当T-A = 800℃时，晶体结构在沉积的无定形相中变化到立方相，表明退火处理后的再结晶过程。静态磁性测量显示逐渐四倍的立方体各向异性，随着T-A的增加，将磁各向异性支配。利用基于矢量网络分析仪的铁磁共振技术分析动态磁性。在600摄氏度下退火的Cofesi膜呈现出明显的面内单轴磁各向异性，并且它具有约0.011左右的低有效阻尼常数，自然共振频率约为3.4 GHz。然而，在800摄氏度下退火的CoFesi薄膜在大约2.5GHz左右显示出强立方磁镀各向异性和全面内向的可行性自然共振频率。

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    Guo X. B.; Zuo Y. L.; Cui B. S.; Li D.; Yun J. J.; Wu K.; Wang T.; Xi L.;

  • 作者单位

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

    Lanzhou Univ Sch Phys Sci &

    Technol Key Lab Magnetism &

    Magnet Mat Minist Educ Lanzhou 730000 Peoples R China;

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  • 正文语种 eng
  • 中图分类 应用物理学;
  • 关键词

    CoFeSi thin films; annealing temperature; magnetic anisotropy; resonance frequency; damping constant;

    机译：Cofesi薄膜;退火温度;磁各向异性;共振频率;阻尼常数;

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