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Structural change of Ni-Cu alloy nanowires with temperature studied by in situ X-ray absorption fine structure technique
Mo G(默广); Cheng WD(程伟东); Cai Q(蔡泉); Wang W(王维); Zhang KH(张坤浩); Xing XQ(邢雪青); Chen ZJ(陈中军); Wu ZH(吴忠华); Mo, G; Cheng, WD; Cai, Q; Wang, W; Zhang, KH; Xing, XQ; Chen, ZJ; Wu, ZH
2010
发表期刊MATERIALS CHEMISTRY AND PHYSICS
卷号121期号:1-2页码:390-394
通讯作者[Mo, Guang ; Cheng, Weidong ; Cai, Quan ; Wang, Wei ; Zhang, Kunhao ; Xing, Xueqing ; Chen, Zhongjun ; Wu, Zhonghua] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Mo, Guang ; Cheng, Weidong ; Cai, Quan ; Wang, Wei ; Zhang, Kunhao ; Xing, Xueqing] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
文章类型Article
摘要Ni-Cu alloy nanowire array, with uniform length and diameter, was well fabricated by using alternating current electrodeposition. Both X-ray diffraction and in situ heating extended X-ray absorption fine structure technique were employed to characterize its structural change with temperature. As expected, a weak concentration fluctuation of Ni and Cu atoms was found in the as-prepared nanowires. However, this concentration fluctuation can be easily eliminated by heating the as-prepared sample at 200 degrees C, which resulting in an approximately homogeneous Ni Cu solid solution. From the nanostructural point of view, the serviceability temperature of Ni-Cu alloy nanowire array in magnetism could not exceed 200 degrees C. The Ni-Ni, Ni-Cu and Cu-Cu bonds were found to have different thermal expansion behaviors, causing the distortion of the crystal cell. An average thermal expansion coefficient (1.1 x 10(-5) K(-1)) was obtained. The structural change of Ni-Cu alloy nanowires with temperature was discussed. (C) 2010 Elsevier B.V. All rights reserved.
关键词Nanostructures Ion plating EXAFS Thermal expansion
学科领域Materials Science
研究领域[WOS]Materials Science ; Materials Science
DOI10.1016/j.matchemphys.2010.01.055
URL查看原文
语种英语
研究领域[WOS]Materials Science ; Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000276938100068
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237289
专题多学科研究中心
实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Mo G,Cheng WD,Cai Q,et al. Structural change of Ni-Cu alloy nanowires with temperature studied by in situ X-ray absorption fine structure technique[J]. MATERIALS CHEMISTRY AND PHYSICS,2010,121(1-2):390-394.
APA 默广.,程伟东.,蔡泉.,王维.,张坤浩.,...&Wu, ZH.(2010).Structural change of Ni-Cu alloy nanowires with temperature studied by in situ X-ray absorption fine structure technique.MATERIALS CHEMISTRY AND PHYSICS,121(1-2),390-394.
MLA 默广,et al."Structural change of Ni-Cu alloy nanowires with temperature studied by in situ X-ray absorption fine structure technique".MATERIALS CHEMISTRY AND PHYSICS 121.1-2(2010):390-394.
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