FeCoSiB薄膜在应力调控下的微磁模拟
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国家重点基础研究发展计划(“九七三”)基金资助项目(51613Z)

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Micromagnetic Simulation of the Effects of the Stress on FeCoSiB Film
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    摘要:

    从微磁学理论出发,利用微磁学软件OOMMF,从理论上研究不同大小、方向的应力对FeCoSiB非晶磁弹性薄膜图形化单元磁畴、剩磁、矫顽力等磁性特性的影响。结果表明,磁滞回线明显取决于所施加的应力;且剩磁和矫顽力对应力的大小、方向的敏感度都很高。剩磁随应力以0.09/400 MPa的梯度线性变化;矫顽力随应力以2 mT/50 MPa的梯度线性变化。

    Abstract:

    Based upon micromagnetics theory,the effects of the stress with different strength and direction on magnetic properties (like magnetic moments,remanence and coercivity) of the magnetoelastic films were investigated theoretically by micromagnetic software OOMMF.The results show that the shapes of the hysteresis loops are significantly dependent on the applied stress;what’s more,remanence and coercivity are highly sensitive to the stress,including strength and direction.The linear change of remanence to stress with the grads of 0.09/400 MPa,while the linear change of coercivity to stress with the grads of 2 mT/50 MPa.

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奉建华,翟亚红,杨成韬,张彩虹,张万里. FeCoSiB薄膜在应力调控下的微磁模拟[J].压电与声光,2013,35(1):129-131. FENG Jianhua, ZHAI Yahong, YANG Chengtao, ZHANG Caihong, ZHANG Wanli. Micromagnetic Simulation of the Effects of the Stress on FeCoSiB Film[J]. PIEZOELECTRICS AND ACOUSTOOPTICS

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  • 在线发布日期: 2013-02-28
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