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Mechanisms of Ag as a surfactant in giant magnetoresistance multilayer growth and thermal stability
An, YK; Zhang, HD; Dai, B; Mai, ZH; Cai, JW; Wu, ZH; Wu ZH(吴忠华)
2006
发表期刊JOURNAL OF APPLIED PHYSICS
卷号100期号:2页码:23516
通讯作者Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China ; Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要The mechanisms played by Ag as a surfactant in giant magnetoresistance multilayers were investigated using interface sensitive x-ray anomalous scattering techniques. Analysis on [Cu/Ni70Co30](20) and [Cu/Ag/Ni70Co30](20) multilayers revealed that 6 A thick NiCu and 6 A thick CuNi3Co intermixing regions are formed at the Ni70Co30-on-Cu interfaces of undoped and Ag-doped multilayers, respectively. The Cu-on-Ni70Co30 interfaces in both multilayers are sharp. Annealing causes severe diffusion across both types of interfaces in the undoped multilayer. But the interfaces in the Ag-doped multilayer do not change significantly upon annealing, except that Ag atoms diffuse into the whole Ni70Co30 layer and some parts of the Cu layer. The results suggest that addition of Ag during the deposition suppresses interfacial intermixing. X-ray diffuse scattering profiles show that the interfacial lateral correlation length of the Ag-doped multilayer is longer than that of the undoped multilayer and does not change significantly after annealing, suggesting that the addition of Ag gives rise to smoother interfaces and results in a good thermal stability.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1063/1.2214369
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Applied
WOS记录号WOS:000239423400041
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被引频次:6[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/311005/240497
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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An, YK,Zhang, HD,Dai, B,et al. Mechanisms of Ag as a surfactant in giant magnetoresistance multilayer growth and thermal stability[J]. JOURNAL OF APPLIED PHYSICS,2006,100(2):23516.
APA An, YK.,Zhang, HD.,Dai, B.,Mai, ZH.,Cai, JW.,...&吴忠华.(2006).Mechanisms of Ag as a surfactant in giant magnetoresistance multilayer growth and thermal stability.JOURNAL OF APPLIED PHYSICS,100(2),23516.
MLA An, YK,et al."Mechanisms of Ag as a surfactant in giant magnetoresistance multilayer growth and thermal stability".JOURNAL OF APPLIED PHYSICS 100.2(2006):23516.
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