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Formation of Stable Schwarz Crystals in Polycrystalline Copper at the Grain Size Limit
Jin, Zhaohui; Li, Xiuyan; Lu, K.
Corresponding AuthorJin, Zhaohui(zhjin@imr.ac.cn) ; Li, Xiuyan(xyli@imr.ac.cn) ; Lu, K.(lu@imr.ac.cn)
2021-09-20
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume127Issue:13Pages:7
AbstractA 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.
Funding OrganizationMinistry of Science and Technology of China ; Chinese Academy of Sciences
DOI10.1103/PhysRevLett.127.136101
Indexed BySCI
Language英语
Funding ProjectMinistry of Science and Technology of China[2017YFA0204401] ; Ministry of Science and Technology of China[2017YFA0700700] ; Chinese Academy of Sciences
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000704667500007
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166814
Collection中国科学院金属研究所
Corresponding AuthorJin, Zhaohui; Li, Xiuyan; Lu, K.
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
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.
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