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Effect of annealing on microstructure evolution in CoFeB/MgO/CoFeB heterostructures by positron annihilation
Zhao, CJ; Lu, XA; Zhao, ZD; Li, MH; Zhang, P; Wang, BY; Cao, XZ; Zhang, JY; Yu, GH;张鹏(正); Wang BY(王宝义); Cao XZ(曹兴忠)
2013
发表期刊JOURNAL OF APPLIED PHYSICS
卷号114期号:11页码:113903
摘要As one of the most powerful tools for investigation of defects of materials, positron annihilation spectroscopy was employed to explore the thermal effects on the film microstructure evolution in CoFeB/MgO/CoFeB heterostructures. It is found that high annealing temperature can drive vacancy defects agglomeration and ordering acceleration in the MgO barrier. Meanwhile, another important type of defects, vacancy clusters, which are formed via the agglomeration of vacancy defects in the MgO barrier after annealing, still exists inside the MgO barrier. All these behaviors in the MgO barrier could potentially impact the overall performance in MgO based magnetic tunnel junctions. (C) 2013 AIP Publishing LLC.
学科领域Physics
DOI10.1063/1.4821255
收录类别SCI
WOS记录号WOS:000324827200040
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224625
专题多学科研究中心
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Zhao, CJ,Lu, XA,Zhao, ZD,et al. Effect of annealing on microstructure evolution in CoFeB/MgO/CoFeB heterostructures by positron annihilation[J]. JOURNAL OF APPLIED PHYSICS,2013,114(11):113903.
APA Zhao, CJ.,Lu, XA.,Zhao, ZD.,Li, MH.,Zhang, P.,...&曹兴忠.(2013).Effect of annealing on microstructure evolution in CoFeB/MgO/CoFeB heterostructures by positron annihilation.JOURNAL OF APPLIED PHYSICS,114(11),113903.
MLA Zhao, CJ,et al."Effect of annealing on microstructure evolution in CoFeB/MgO/CoFeB heterostructures by positron annihilation".JOURNAL OF APPLIED PHYSICS 114.11(2013):113903.
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