Effect of the induced anisotropy axis on altering domain alignment and magnetostriction of Terfenol-D

Effect of the induced anisotropy axis on altering domain alignment and magnetostriction of Terfenol-D
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诱导各向异性轴对改变 Terfenol-D 磁畴排列和磁致伸缩的影响

DOI:
10.1063/1.4864112
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发表时间:
2014-02
影响因子:
4
通讯作者:
Ma Tianyu
Ma Tianyu
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Zhang Changsheng;Sun Guangai;Yan Mi;Ma Tianyu

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本文定量研究了Terfenol-D的感生各向异性轴对磁致伸缩的影响,探索了一种为特定目的灵活定制磁致伸缩的可能方法。研究发现,感生各向异性轴对初始畴态、磁化过程以及磁致伸缩有重要影响。讨论了一个特定的感生各向异性轴的磁致伸缩行为,并与实验观察结果进行了比较。还定量分析了预期的90°畴排列的临界情况。建立了磁致伸缩材料的畴态演化图,对理解磁致伸缩材料的可调性和开发磁致伸缩材料具有一定的指导意义。
The present work investigates quantitatively the effect of induced anisotropy axis on magnetostriction of Terfenol-D, exploring a possible method of tailoring flexibly magnetostriction for a particular purpose. It is found that the induced anisotropy axis shows significant effect on the initial domain state, magnetization process, and thus the magnetostriction. Magnetostriction behaviors for a specific induced anisotropy axis are discussed and compared with the experimental observations. The critical case for the expected 90° domain alignments has been also analyzed quantitatively. Diagrams of domain state evolutions are established, shining some light on understanding magnetostriction tunability and developing magnetostrictive material.
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