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首页> 外文期刊>Physica, B. Condensed Matter >Magnetoimpedance of cobalt-coated silicon steels
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Magnetoimpedance of cobalt-coated silicon steels

机译:钴涂层硅钢的磁阻

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摘要

Magnetoimpedance (MI) effect of cobalt-coated silicon steels is measured as a function of cobalt thickness (0-45 μm), DC magnetic field (02 kOe), frequency (1 kHz1 MHz) and magnitude (120 mA) of AC current. With increase in deposition thickness, the MI ratio and the characteristic frequency are decreased because the samples are magnetically hardened by the coating. Nevertheless, cobalt deposition broadens the frequency-dependent MI curves, and the frequency range with a large MI ratio is extended. The variations of this peak width as well as the characteristic frequency and the MI ratio are explained by the skin effect and crossing effect.
机译:钴涂层硅钢的磁阻抗(MI)效应是根据钴厚度(0-45μm),直流磁场(02 kOe),频率(1 kHz1 MHz)和交流电流强度(120 mA)来测量的。随着沉积厚度的增加,MI比率和特征频率会降低,因为样品已被涂层磁性硬化。然而,钴沉积拓宽了频率相关的MI曲线,并扩大了具有较大MI比的频率范围。该峰宽以及特征频率和MI比的变化通过集肤效应和交叉效应来解释。

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