Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit

doi:10.1103/PhysRevLett.127.136101

CORC > 金属研究所 > 中国科学院金属研究所

	Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit
	Jin, Zhaohui; Li, Xiuyan; Lu, K.
刊名	PHYSICAL REVIEW LETTERS
	2021-09-20
卷号	127 期号:13 页码:7
ISSN号	0031-9007
DOI	10.1103/PhysRevLett.127.136101
通讯作者	Jin, Zhaohui(zhjin@imr.ac.cn) ; Li, Xiuyan(xyli@imr.ac.cn) ; Lu, K.(lu@imr.ac.cn)
英文摘要	A prototype Schwarz crystal (SC) structure of dividing-space minimal grain boundaries (GBs) constrained by coherent twin boundaries (CTBs) was recently discovered in extremely fine-grained polycrystalline Cu. In this Letter, constraining effects of 3D CTB network on the formation and thermostability of SC are addressed via atomistic simulations. GB migration and evolution of CTB network trigger formation of SC diamond. CTB constraints are critical to generate GBs of zero mean curvature underlying vanishing capillary pressure, and to counterbalance the elastic driving forces of lattice. GB motion can be suppressed at temperatures close to the melting point with GB aperture down to 3 nm.
资助项目	Ministry of Science and Technology of China[2017YFA0204401] ; Ministry of Science and Technology of China[2017YFA0700700] ; Chinese Academy of Sciences
WOS研究方向	Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000704667500007
资助机构	Ministry of Science and Technology of China ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/166813]
专题	金属研究所_中国科学院金属研究所
通讯作者	Jin, Zhaohui; Li, Xiuyan; Lu, K.
作者单位	Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Jin, Zhaohui,Li, Xiuyan,Lu, K.. Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit[J]. PHYSICAL REVIEW LETTERS,2021,127(13):7.
APA	Jin, Zhaohui,Li, Xiuyan,&Lu, K..(2021).Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit.PHYSICAL REVIEW LETTERS,127(13),7.
MLA	Jin, Zhaohui,et al."Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit".PHYSICAL REVIEW LETTERS 127.13(2021):7.