Strain induced magnetic anisotropy of high epitaxial Ni thin films grown on different oriented PMN-PT substrates

被引：10

作者：

Tan, Yaoyu ^{[1
]}

Liang, Kun ^{[1
]}

Mei, Zhiheng ^{[1
]}

Zhou, Peng ^{[1
]}

Liu, Ying ^{[1
]}

Qi, Yajun ^{[1
]}

Ma, Zhijun ^{[1
]}

Zhang, Tianjin ^{[1
]}

机构：

[1] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Key Lab Green Preparat & Applicat Funct Mat, Minist Educ,Hubei Key Lab Polymer Mat,Dept Mat Sc, Wuhan 430062, Hubei, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2018年 / 44卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Thin films; Magnetic anisotropy; Strain; NICKEL; INTERFACES;

D O I：

10.1016/j.ceramint.2017.12.200

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

High epitaxial (001)-, (110)- and (111)-oriented Ni ferromagnetic thin films were coherently grown on Pb(Mg1/3Nb2/3)(0.7)Ti0.3O3 (PMN-PT) (001), (110) and (111) substrates by magnetron sputtering. Reciprocal space mapping (RSM) results indicate that all of these films are partially relaxed. The mechanism of strain-induced magnetic anisotropy of these epitaxial thin films has been investigated in detail. The easy axis is induced toward out-of-plane (OOP) due to compressive strain, while the hard axis is along in-plane (IP) owing to tensile strain. (111)- and (110)-oriented Ni thin films show the strongest and the weakest magnetic anisotropy, respectively. The strain-induced magnetoelastic energy for (001)-oriented Ni thin film increases its anisotropic field and decreases its total free energy resulting in an enhanced magnetic anisotropy comparing with (110)-oriented one. The remarkable variation of magnetization in high epitaxial Ni thin film system reveals that the magnetic anisotropy can be modulated by changing the biaxial strain.

引用

页码：5564 / 5568

页数：5

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