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首页> 外文期刊>Applied Surface Science >Post-deposition heat-treated Ni_xZn_(1-x)Fe_2O_4 films exhibiting higher resonance frequency
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Post-deposition heat-treated Ni_xZn_(1-x)Fe_2O_4 films exhibiting higher resonance frequency

机译:沉积后热处理的Ni_xZn_(1-x)Fe_2O_4薄膜具有更高的共振频率

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摘要

The effect of thermal annealing with applying magnetic field on structural and magnetic properties has been investigated for Ni_xZn_(1-x)Fe_2O_4 (x = 0.28 and 0.45) films deposited on Si(111) substrates by radio frequency magnetron sputtering. The post-deposition heat-treated ferrite films exhibited better soft magnetic properties that a slight increase in the saturation magnetization and decrease in the coercivity. The complex permeability μ = μ' - μ" values of the ferrite films as-deposited and post-deposition heat-treated were measured at frequency up to 5 GHz. The results showed that the resonance frequency of the post-annealed ferrite films shifted to a higher frequency range, especially for x = 0.28 which increased from 1.8 GHz to 2.2 GHz.
机译:对于通过射频磁控溅射沉积在Si(111)衬底上的Ni_xZn_(1-x)Fe_2O_4(x = 0.28和0.45)膜,研究了施加磁场进行热退火对结构和磁性的影响。沉积后热处理的铁氧体膜表现出更好的软磁性能,饱和磁化强度略有增加,矫顽力降低。在最高5 GHz的频率下测量沉积和热处理后的铁氧体膜的复磁导率μ=μ'-μ“值。结果表明,退火后的铁氧体膜的共振频率偏移为更高的频率范围,尤其是对于x = 0.28(从1.8 GHz增加到2.2 GHz)。

著录项

  • 来源
    《Applied Surface Science》 |2012年第10期|p.4237-4239|共3页
  • 作者单位

    Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, People's Republic of China;

    Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, People's Republic of China;

    Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, People's Republic of China;

    Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, People's Republic of China;

    Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, People's Republic of China;

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

    ferrite films; post-deposition heat-treatment; resonance frequency; soft magnetic property;

    机译:铁氧体膜沉积后热处理;共振频率软磁性能;

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