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Phase transformation between Cu(In,Sn)(2) and Cu-2(In,Sn) compounds formed on single crystalline Cu substrate during solid state aging
F. F. Tian; Z. Q. Liu; J. D. Guo
2014
Source PublicationJournal of Applied Physics
ISSN0021-8979
Volume115Issue:4
AbstractInterfacial reactions between eutectic SnIn and single crystalline Cu during solid-state aging at low temperature were investigated systematically. Three types of phase transformations between Cu(In,Sn)(2) layer and Cu-2(In,Sn) layer were observed, which are Cu(In,Sn)(2) grows and Cu-2(In,Sn) consumes at 40 degrees C, Cu(In, Sn)(2) and Cu-2(In,Sn) grow simultaneously at 60 degrees C, as well as Cu(In,Sn)(2) consumes and Cu-2(In, Sn) grows at 80 and 100 degrees C. According to physicochemical approach, the chemical reactions at Cu/Cu-2(In,Sn)/Cu(In,Sn)(2)/SnIn interfaces were discussed in detail. It was concluded that the diffusion ability of Cu and In atoms dominated different phase transformations. When diffusion constants k(1In2) > 8/3k(1Cu2) Cu(In,Sn)(2) will grow, and if k(1Cu2) >> k(1In2) Cu-2(In,Sn) will grow. Both Cu(In,Sn)(2) and Cu-2(In,Sn) can grow in the condition of k(1In2) approximate to k(1Cu2). The values of k(1Cu2) and k(1In2) at different temperatures on (100)Cu and (111)Cu substrate were also calculated or estimated by analyzing the growth kinetics of the compound layers. (C)2014 AIP Publishing LLC.
description.department[tian, feifei ; liu, zhi-quan ; guo, jingdong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; liu, zq (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zqliu@imr.ac.cn
KeywordHeterogeneous Binary-systems 2 Elementary Substances Intermetallic Compounds Reaction-diffusion Growth Layers Interface Solders Joints Cu3sn
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72579
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
F. F. Tian,Z. Q. Liu,J. D. Guo. Phase transformation between Cu(In,Sn)(2) and Cu-2(In,Sn) compounds formed on single crystalline Cu substrate during solid state aging[J]. Journal of Applied Physics,2014,115(4).
APA F. F. Tian,Z. Q. Liu,&J. D. Guo.(2014).Phase transformation between Cu(In,Sn)(2) and Cu-2(In,Sn) compounds formed on single crystalline Cu substrate during solid state aging.Journal of Applied Physics,115(4).
MLA F. F. Tian,et al."Phase transformation between Cu(In,Sn)(2) and Cu-2(In,Sn) compounds formed on single crystalline Cu substrate during solid state aging".Journal of Applied Physics 115.4(2014).
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