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The Electric-Field Controllable Non-Volatile 35° Rotation of Magnetic Easy Axis in Magnetoelectric CoFeB/（001）-Cut Pb(Mg1/3Nb2/3)O3-25%PbTiO3 Heterostructure

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【作者】 何浩； 赵江涛； 罗震林； 杨远俊； 徐晗； 洪宾； 王亮鑫； 王瑞雪； 高琛；

【Author】 Hao He;Jiang-Tao Zhao;Zhen-Lin Luo;Yuan-Jun Yang;Han Xu;Bin Hong;Liang-Xin Wang;Rui-Xue Wang;Chen Gao;Department of Materials Science and Engineering,and CAS Key Laboratory of Materials for Energy Conversion,University of Science and Technology of China;National Synchrotron Radiation Laboratory,University of Science and Technology of China;Condensed Matter Science and Technology Institute,Harbin Institute of Technology;

【机构】 Department of Materials Science and Engineering,and CAS Key Laboratory of Materials for Energy Conversion,University of Science and Technology of China； National Synchrotron Radiation Laboratory,University of Science and Technology of China； Condensed Matter Science and Technology Institute,Harbin Institute of Technology；

【摘要】 Using in situ electric-field-modulated anisotropic magnetoresistance measurement,a large reversible and nonvolatile in-plane rotation of magnetic easy axis of 35° between the positive and negative electrical poling states is demonstrated in Co40Fe40B20/（001）-cut Pb(Mg1/3Nb2/3)O3-0.25PbTiO3（PMN-PT）.The specific magnetoelectric coupling mechanism therein is experimentaiiy verified to be related to the synchronous in-plane strain rotation induced by 109° ferroelastic domain switching in the（001）-cut PMN-PT substrate.

【Abstract】 Using in situ electric-field-modulated anisotropic magnetoresistance measurement,a large reversible and nonvolatile in-plane rotation of magnetic easy axis of 35° between the positive and negative electrical poling states is demonstrated in Co40Fe40B20/（001）-cut Pb(Mg1/3Nb2/3)O3-0.25PbTiO3（PMN-PT）.The specific magnetoelectric coupling mechanism therein is experimentaiiy verified to be related to the synchronous in-plane strain rotation induced by 109° ferroelastic domain switching in the（001）-cut PMN-PT substrate.

【关键词】 rotation； switching； reversible； modulated； magnetization； Cut Pb； Mg； Nb； verified； ferroelectric；
【基金】 Supported by the National Natural Science Foundation of China under Grant Nos 11374010 and 11434009;the Fundamental Research Funds for the Central Universities
  • 【文献出处】 Chinese Physics Letters ,中国物理快报(英文版) , 编辑部邮箱 ,2016年06期
  • 【分类号】O482.5
  • 【下载频次】12
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