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首页> 外文期刊>Journal of Applied Physics >Study on the soft magnetic properties and high frequency characteristics of Co-M (M = Ti, Zr, and Hf) thin films
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Study on the soft magnetic properties and high frequency characteristics of Co-M (M = Ti, Zr, and Hf) thin films

机译：Co-M（M = Ti，Zr和Hf）薄膜的软磁特性和高频特性的研究

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摘要

Soft magnetic properties and high frequency characteristics of Co_(100-x)M_x (M = Ti, Zr, and Hf) thin films have been investigated. All M-doped Co_(100-x)M_x films exhibit strong induced in-plane uniaxial magnetic anisotropy. With the increase of the x, the 4πM_s and coercivity along the hard and easy axes (H_(ch) and H_(cc)) are decreased, while H_k reaches the maximum value for the films having the composition to become the fully amorphous. Among them, less Hf or Zr content, i.e., x = 7, are sufficient in forming the Co_(100-x)M_x amorphous, in contrast, more Ti content, i.e., x= 15, should be needed. The optimal properties of 4πM_s=11.0 kG, H_(ce) = 5.4 Oe, H_(ch) = 4.0 Oe, H_k = 320 Oe and f_(FMR) = 5.2 GHz for Co_(93)Hf_7 films and 4πM_s = 11.7 kG, H_(ce) = 6.1 Oe, H_(ch) = 1.6 Oe, H_K = 266 Oe and f_(FMR) = 4.9 GHz for Co_(93)Zr_7 films can be obtained.
机译：研究了Co_（100-x）M_x（M = Ti，Zr和Hf）薄膜的软磁特性和高频特性。所有M掺杂的Co_（100-x）M_x薄膜均表现出较强的诱导面内单轴磁各向异性。随着x的增加，沿着硬轴和易轴（H_（ch）和H_（cc））的4πM_s和矫顽力降低，而H_k达到具有组成变为完全非晶态的膜的最大值。其中，较少的Hf或Zr含量，即x ＝ 7，足以形成Co_（100-x）M_x非晶质，相反，需要更多的Ti含量，即x ＝ 15。对于Co_（93）Hf_7薄膜和4πM_s= 11.7 kG，4πM_s= 11.0 kG，H_（ce）= 5.4 Oe，H_（ch）= 4.0 Oe，H_k = 320 Oe和f_（FMR）= 5.2 GHz的最佳特性，对于Co_（93）Zr_7薄膜，可以获得H_（ce）= 6.1 Oe，H_（ch）= 1.6 Oe，H_K = 266 Oe，f_（FMR）= 4.9 GHz。

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  • 来源
    《Journal of Applied Physics》 |2012年第2期|p.07A333.1-07A333.3|共3页
  • 作者

    H. W. Chang; Y. H. Huang; C. C. Hsieh; C. W. Shin; W. C. Chang; D. S. Xue;

  • 作者单位

    Department of Physics, Tunghai University, Taichung, 407 Taiwan, Republic of China;

    Department of Physics, National Chung Cheng University, Chia-Yi, 621 Taiwan, Republic of China;

    Department of Physics, National Chung Cheng University, Chia-Yi, 621 Taiwan, Republic of China;

    Department of Physics, National Chung Cheng University, Chia-Yi, 621 Taiwan, Republic of China;

    Department of Physics, National Chung Cheng University, Chia-Yi, 621 Taiwan, Republic of China;

    The Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou, 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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