Magneto impedance of electroplated NiFeMo/Cu microwires for magnetic sensors
Magneto impedance of electroplated NiFeMo/Cu microwires for magnetic sensors
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DOI：
10.1088/0022-3727/40/17/001
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发表时间：
2007-09
期刊：
影响因子：
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通讯作者：
A. Munoz;C. Schiefer;Th Nentwig;W.-Y. Man;E. Kisker
中科院分区：
文献类型：
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作者：
A. Munoz;C. Schiefer;Th Nentwig;W.-Y. Man;E. Kisker
利用磁阻抗响应研究了软磁电镀FeNiMo/Cu微丝的磁导率随磁场和频率的变化关系。我们分析了电镀参数，如电流密度，电解液成分和磁场的存在下的影响。结果发现，引入Mo作为第三非磁性组分引起膜磁导率的大的变化，这与组成和形态效应有关。在外加磁场下的电沉积诱导单向各向异性，并出现大的巴克豪森效应。
The field and frequency dependences of the magnetic permeability in soft magnetic electroplated FeNiMo/Cu microwires were studied by means of their magneto impedance response. We analysed the influence of electroplating parameters such as current density, electrolyte composition and the presence of a magnetic field. It was found that the introduction of Mo as a third non-magnetic component causes large changes in the film permeability, which are associated with compositional and morphological effects. The electrodeposition under an external magnetic field induces a unidirectional anisotropy with the appearance of a large Barkhausen effect.