A brute-force code searching for cell of non-identical displacement for CSL grain boundaries and interfaces
COMPUTER PHYSICS COMMUNICATIONS(2022)
摘要
Atomic simulation of coincidence-site lattice (CSL) grain boundaries (GBs) and interfaces is of importance for understanding GBs in polycrystalline materials and for making functional films. A common process of high-throughput simulation for CSL GBs and interfaces is to explore rigid body translation (RBT) of one crystal respect to the other. Cell of non-identical displacement (CNID) is the minimum cell including all non-identical RBTs in the GB or interface plane and is important for effective sampling. This work proposes an algorithm to compute the CNID of any two-dimensional CSL GB or interface based on a reciprocity relation between the displacement shift complete (DSC) and CSL. (C) 2021 Elsevier B.V. All rights reserved.
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关键词
Synopsis,Interfaces,Grain boundaries,Bicrystallography,Coincident-site lattice,Displacement shift complete,Cell of non-identical displacement
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