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Structure and magnetic properties of iron/cobalt-based glass-covered microwires

机译:铁/钴基玻璃包覆微丝的结构和磁性

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摘要

The changes in the structure and magnetic properties of FeCoSiBNi microwires have been investigated by means of differential scanning calorimetry (DSC), x-ray diffraction (XRD), 57Co Mossbauer spectroscopy and magnetization measurements. The crystallization temperature Tx value has been determined by DSC thermal analysis. XRD showed metastable phases (α-Fe/Co) that were formed in the nanocrystallization process. These metastable phases, embedded in the amorphous matrix, have a significant effect on magnetic ordering. Hysteresis loops and giant magneto-impedance effects measurement are used to determine the magnetic anisotropies as well as the magnetization processes.
机译:已通过差示扫描量热法(DSC),X射线衍射(XRD),57Co Mossbauer光谱和磁化强度测量研究了FeCoSiBNi微丝的结构和磁性能的变化。结晶温度Tx值已经通过DSC热分析确定。 XRD显示出在纳米结晶过程中形成的亚稳态相(α-Fe/ Co)。嵌入无定形基体中的这些亚稳相对磁有序有重要影响。磁滞回线和巨大的磁阻效应测量用于确定磁各向异性以及磁化过程。

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  • 会议地点 Hangzhou(CN);Hangzhou(CN)
  • 作者单位

    Z J Zhao@Department of Physics, East China Normal University, Shanghai 200062, People's Republic of China--J C Zhang@Department of Physics, East China Normal University, Shanghai 200062, People's Republic of China--X L Yang@Department of Physics, East China Normal University, Shanghai 200062, People's Republic of China--H L Seet@Department of Mechanical Engieering, National University of Singapore, Singapore, 119260--X P Li@Department of Mechanical Engieering, National University of Singapore, Singapore, 119260--;

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