Fe-Mn-Ga带的晶体结构和磁跃迁

2015 IEEE Magnetics Conference (INTERMAG) Pub Date : 2015-05-11 DOI:10.1109/INTMAG.2015.7157273

Dongxiang Zhang, H. Zhang, E. Liu, W. Wang, G. Wu, M. Yue

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引用次数: 1

摘要

采用熔体纺丝法制备了Fe-Mn-Ga体系的纯bcc β相、fcc γ相和hcp相。从β相和γ相到hcp相有一个快速的相变。β相表现为典型的低温铁磁性质，而γ相表现为铁磁向反铁磁转变。新发现的hcp相表现出良好的铁磁性，具有较高的TC，这使其成为硬磁性材料的可能候选物。

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Crystal structure and magnetic transition in Fe-Mn-Ga ribbon

Pure bcc β-phase, fcc γ-phase and hcp phase of Fe-Mn-Ga system have been obtained by melt spinning method and subsequent anneal. It is found that there is a rapid phase transition from β and γ-phase to hcp phase. The β-phase shows a typical low temperature ferromagnetic property, while γ-phase shows a ferromagnetic to antiferromagnetic transition. The newly found hcp phase shows a good ferromagnetic behavior with a relatively high TC, which makes it a possible candidate for hard magnetic material.

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2015 IEEE Magnetics Conference (INTERMAG)

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