Influence of surfactant Ag on the structure of annealing Ni70Co30/Cu multilayers by X-ray reflection anomalous fine structure and X-ray absorption spectroscopy
An, YK; Zhang, HD; Mai, ZH; Dai, B; Cai, JW; Wu, ZH; Zhou, HT; Liu, T; Wu ZH(吴忠华); Hu TD(胡天斗); Liu T(刘涛)
刊名PHYSICA B-CONDENSED MATTER
2006
卷号382期号:1-2页码:#REF!
关键词X-ray reflection anomalous fine structure X-ray absorption spectroscopy surfactant silver multilayer
学科分类Physics
DOI10.1016/j.physb.2006.02.017
通讯作者An, YK (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China.
文章类型Article
英文摘要We performed X-ray reflection anomalous fine structure and X-ray absorption spectroscopy measurements to investigate the influence of Ag as a surfactant on the annealing Ni70Co30/Cu multilayer for the first time. Interfacial intermixing and silver diffusion levels were quantified at the atomic level. During the deposition, a 6 A thick intermixing region exists at the Cu/Ni70Co30 interface while the Ni70Co30/Cu interface is sharp for the un-doped and the Ag-doped multilayers. After 285 degrees C annealing, the two multilayers display different thermal behaviors. Severe diffusion occurs at the Cu/Ni70Co30 and Ni70Co30/Cu interface's of the un-doped multilayer. However, of these the Ag-doped multilayer do not change significantly, indicating that the addition of silver can suppress interfacial intermixing after annealing. The Ag atoms in the Ag-doped multilayer have diffused into some parts Of Ni70Co30 layer while do not exist at the interfaces during the deposition. After 285 degrees C annealing, the Ag atoms diffused into the whole Ni70Co30 layer as well as some parts of the Cu layer. The X-ray absorption spectroscopy measures show that Ni atoms and Cu atoms occupy the interfacial positions in the un-doped multilayer. The addition of silver also do not change the FCC lattice of Co, Ni and Cu, but decrease the amplitude of the Ni and the Co K edge EXAFS profiles, suggesting that Ag atoms do diffuse into the Ni70Co30 layer. (c) 2006 Elsevier B.V. All rights reserved.
类目[WOS]Physics, Condensed Matter
收录类别SCI
WOS记录号WOS:000238780100031
引用统计
被引频次:1[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/311005/226844
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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An, YK,Zhang, HD,Mai, ZH,et al. Influence of surfactant Ag on the structure of annealing Ni70Co30/Cu multilayers by X-ray reflection anomalous fine structure and X-ray absorption spectroscopy[J]. PHYSICA B-CONDENSED MATTER,2006,382(1-2):#REF!.
APA An, YK.,Zhang, HD.,Mai, ZH.,Dai, B.,Cai, JW.,...&刘涛.(2006).Influence of surfactant Ag on the structure of annealing Ni70Co30/Cu multilayers by X-ray reflection anomalous fine structure and X-ray absorption spectroscopy.PHYSICA B-CONDENSED MATTER,382(1-2),#REF!.
MLA An, YK,et al."Influence of surfactant Ag on the structure of annealing Ni70Co30/Cu multilayers by X-ray reflection anomalous fine structure and X-ray absorption spectroscopy".PHYSICA B-CONDENSED MATTER 382.1-2(2006):#REF!.
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