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Effect of grain size on the properties of NiFe/PtMn bilayers
An, YK; Liu, JW; Ma, YC; Wu, ZH; Wu ZH(吴忠华)
2008
发表期刊JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷号41期号:16页码:165003
通讯作者[An, Yukai ; Liu, Jiwen ; Ma, Yongchang] Tianjin Univ Technol, Sch Mat Sci & Engn, Tianjin Key Lab Photoelect Mat & Devices, Tianjin 300191, Peoples R China ; [Wu, Zhonghua] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
摘要The structural and magnetic properties of NiFe/PtMn bilayers with a (Ni81Fe19)(100-x)Cr-x seed layer were investigated. It is found that the pinning field H, of NiFe/PtMn bilayers is very sensitive to the Cr content of the (Ni81Fe19)(100-x)Cr-x seed layer, which can effectively influence the grain size, L1(0) ordering phase transformation and the critical thickness of PtMn as well as the blocking temperature (T-b). When the Cr content is 40 at%, PtMn shows a large grain size, a small critical thickness and a high blocking temperature, but the degree of L1(0) ordering phase transformation is weak after annealing, which results in a low pinning field H, When the Cr content is below 34 at% or above 50 at%, PtMn has a small grain size, a large critical thickness and a low blocking temperature, but the degree of L1(0) ordering phase transformation is very good after annealing, resulting in a high pinning field H, These results indicate that (Ni81Fe19)(100-x)Cr-x can be a promising seed layer in spin valves based on Mn-alloyed antiferromagnets.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
DOI10.1088/0022-3727/41/16/165003
URL查看原文
语种英语
WOS类目Physics, Applied
WOS记录号WOS:000258221100026
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被引频次:2[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/311005/241015
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
An, YK,Liu, JW,Ma, YC,et al. Effect of grain size on the properties of NiFe/PtMn bilayers[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2008,41(16):165003.
APA An, YK,Liu, JW,Ma, YC,Wu, ZH,&吴忠华.(2008).Effect of grain size on the properties of NiFe/PtMn bilayers.JOURNAL OF PHYSICS D-APPLIED PHYSICS,41(16),165003.
MLA An, YK,et al."Effect of grain size on the properties of NiFe/PtMn bilayers".JOURNAL OF PHYSICS D-APPLIED PHYSICS 41.16(2008):165003.
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