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首页> 外文期刊>IEEE Transactions on Magnetics >Permeability measurement in the GHz range for soft-magnetic film using the M/C/M inductance-line
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Permeability measurement in the GHz range for soft-magnetic film using the M/C/M inductance-line

机译：使用M / C / M电感线在GHz范围内测量软磁膜的磁导率

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摘要

This work reports a new technique for measuring permeability of magnetic alloy films above 1 GHz by using an inductance-line, which has a magnetic alloy films(M)/conductor(C)/magnetic alloy films(M) stacked structure and is installed in a microstrip circuit. The imaginary part of the relative permeability /spl mu//sub r/" was estimated from the magnetic absorption in the M/C/M inductance-line, by analyzing its transmission characteristics. The Kramers-Kronig relation was used for the transformation from /spl mu//sub r/" to the real part /spl mu//sub r/'. Complex relative permeability was measured in the 1 MHz-20 GHz frequency range for NiFe-SiO/sub 2/, CoZrNb-SiO/sub 2/ and CoFe-SiO/sub 2/ multilayer films. The /spl mu//sub r/-f characteristics, static relative permeability /spl mu//sub r/"(0) and ferromagnetic resonance frequency f/sub k/ values were confirmed to agree with those obtained by the conventional M/C/M technique and by calculation.
机译：这项工作报告了一种使用感应线测量1 GHz以上磁性合金膜磁导率的新技术，该技术具有磁性合金膜（M）/导体（C）/磁性合金膜（M）堆叠结构，并安装在微带电路。通过分析M / C / M感应线的磁吸收，通过分析其传输特性，可以估算出相对磁导率的虚部/ spl mu // sub r /“。Kramers-Kronig关系用于从/ spl mu // sub r /“到实部/ spl mu // sub r /'。对于NiFe-SiO / sub 2 /，CoZrNb-SiO / sub 2 /和CoFe-SiO / sub 2 /多层膜，在1 MHz-20 GHz频率范围内测量了复数相对磁导率。证实了/ spl mu // sub r / -f特性，静态相对磁导率/ spl mu // sub r /”（0）和铁磁共振频率f / sub k /的值与常规M / C / M技术并通过计算。

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