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	A generalized Peierls-Nabarro model for kinked dislocations
	Wei, He ; Xiang, Yang
	2009
关键词	dislocations dislocation dynamics Peierls-Nabarro model Peierls energy dislocation kink CURVED DISLOCATIONS STACKING-FAULTS SILICON CORE STRESS ENERGY CRYSTALS MOBILITY EDGE NUCLEATION
英文摘要	We present a generalized Peierls-Nabarro model for curved dislocations incorporating directly the Peierls energies for both straight dislocations and dislocation kinks. In our model, the anisotropic elastic energy is calculated efficiently using the discrete Fourier transform on the discrete lattice sites of the slip plane, and the discreteness in both the elastic energy and the misfit energy is included. We have used our model to calculate the kink migration and nucleation energies of the 30 degrees dislocations in silicon. The results agree well with those obtained using atomistic potentials and first principles calculations, and the experimental results.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000270842300002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Materials Science, Multidisciplinary; Mechanics; Metallurgy & Metallurgical Engineering; Physics, Applied; Physics, Condensed Matter; SCI(E); EI; 4; ARTICLE; 27; 2333-2354; 89
语种	英语
出处	EI ; SCI
出版者	philosophical magazine
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/157755]
专题	数学科学学院
推荐引用方式 GB/T 7714	Wei, He,Xiang, Yang. A generalized Peierls-Nabarro model for kinked dislocations. 2009-01-01.

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