A unified model for determining fracture strain of metal films on flexible substrates

doi:10.1016/j.jmst.2020.03.043

IMR OpenIR

	A unified model for determining fracture strain of metal films on flexible substrates
	Wu, Xu-Ping 1,2; Luo, Xue-Mei 1; Chen, Hong-Lei 1,2; Zou, Ji-Peng 1,2; Zhang, Guang-Ping 1
通讯作者	Luo, Xue-Mei(xmluo@imr.ac.cn) ; Zhang, Guang-Ping(gpzhang@imr.ac.cn)
	2020-10-01
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	54 页码:87-94
摘要	Failure strain determination of polymer-supported thin films is a key for the design of the flexible devices. A theoretical model R/R-0 =(L/L-0)(2) (R, L are the electrical resistance and the length of the stretched film, respectively. R-0, L-0 are the corresponding initial values.) has been widely used to determine the fracture strain of thin films on flexible substrates. However, this equation loses its function in some special cases. Here, a simple and universal theoretical model was proposed to determine the fracture strain of metal thin films on flexible substrates in more generally situations. With this model, we investigated the thickness-dependent failure strains of Cu-5 at.% Al films with thickness of 10 nm, 200 nm, 1000 nm, and Ti films with thickness of 50 nm, 100 nm, 300 nm. This model was also employed to study the published data available. The results showed that the new model provided a fairly good prediction of the failure strains of different films. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词	Thin films Fracture Electrical resistance Microstructure Flexible substrate
资助者	National Natural Science Foundation of China ; Foundation for Outstanding Young Scholar, Institute of Metal Research (IMR), China ; Natural Science Foundation of Liaoning Province of China ; Foundation for Outstanding Young Scholar ; Shenyang National Laboratory for Materials Science, China
DOI	10.1016/j.jmst.2020.03.043
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51601198] ; National Natural Science Foundation of China[51571199] ; Foundation for Outstanding Young Scholar, Institute of Metal Research (IMR), China ; Natural Science Foundation of Liaoning Province of China[20180510025] ; Foundation for Outstanding Young Scholar ; Shenyang National Laboratory for Materials Science, China[L2019F23]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000545310500010
出版者	JOURNAL MATER SCI TECHNOL
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/139686
专题	中国科学院金属研究所
通讯作者	Luo, Xue-Mei; Zhang, Guang-Ping
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Wu, Xu-Ping,Luo, Xue-Mei,Chen, Hong-Lei,et al. A unified model for determining fracture strain of metal films on flexible substrates[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,54:87-94.
APA	Wu, Xu-Ping,Luo, Xue-Mei,Chen, Hong-Lei,Zou, Ji-Peng,&Zhang, Guang-Ping.(2020).A unified model for determining fracture strain of metal films on flexible substrates.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,54,87-94.
MLA	Wu, Xu-Ping,et al."A unified model for determining fracture strain of metal films on flexible substrates".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 54(2020):87-94.