High Energy Electron Irradiation in Ni41Mn43Co6Sn10 for Obtaining Large Magnetostrain under a Relatively Low Magnetic Field

High Energy Electron Irradiation in Ni41Mn43Co6Sn10 for Obtaining Large Magnetostrain under a Relatively Low Magnetic Field
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高能电子辐照 Ni41Mn43Co6Sn10 在较低磁场下获得大磁致应变

DOI:
10.1016/j.matlet.2021.131502
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发表时间:
2021-12
期刊:
影响因子:
3
通讯作者:
Wei Cai
Wei Cai
中科院分区:
材料科学3区
文献类型:
--
作者:
Sibo Sun;L.C. Kong;Yiping Zheng;Zhiyong Gao;Wei Cai

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• 高能电子辐照使Ni 41 Mn 43 Co 6 Sn 10 合金的晶格收缩。 • 辐照Ni 41 Mn 43 Co 6 Sn 10 合金的磁化强度得到显着改善。 • 在4T的低磁场下获得0.22%的大磁致应变。良好的磁致应变效应赋予Ni-(Co)-Mn-X(X=Sn、In、Sb)基Heusler合金在智能驱动领域的巨大应用潜力。然而过高的驱动磁场往往需要笨重的附着装置,限制了此类材料的进一步推广。在这项工作中,通过高能电子辐照在Ni 41 Mn 43 Co 6 Sn 10 合金中形成大量的点缺陷,这可以同时增加母相和马氏体相之间的结构和磁性差异。结果,仅在4T的相对低磁场下,相变过程中就获得了0.22%的高可逆磁致应变,这与其他镍锰基合金在高磁场下获得的最大值相当。
• High energy electron irradiation shrinks the lattice of Ni 41 Mn 43 Co 6 Sn 10 alloy. • Significant improvement of magnetization is achieved in irradiated Ni 41 Mn 43 Co 6 Sn 10 alloy. • A large magnetostrain of 0.22% is obtained under a low magnetic field of 4 T. Promising magnetostrain effect endows the Ni-(Co)-Mn-X (X = Sn, In, Sb) based Heusler alloys large potential for the application on intelligent-drive field. However, the over high driving magnetic field always requires cumbersome attaching devices, which restricts the further promotion of such materials. In this work, a large number of point defects are formed in Ni 41 Mn 43 Co 6 Sn 10 alloys by high energy electron irradiation, which could simultaneously increase the structural and magnetic difference between the parent phase and martensite phase. As a result, a high reversible magnetostrain of 0.22% is accordingly obtained in the transformation process only under a relatively low magnetic field of 4 T, which are comparable to the maximum values obtained under high fields in other Ni-Mn-based alloys.
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