Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.actamat.2006.01.017
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dc.titleLevel set simulation of dislocation dynamics in thin films
dc.contributor.authorQuek, S.S.
dc.contributor.authorXiang, Y.
dc.contributor.authorZhang, Y.W.
dc.contributor.authorSrolovitz, D.J.
dc.contributor.authorLu, C.
dc.date.accessioned2014-10-07T09:51:18Z
dc.date.available2014-10-07T09:51:18Z
dc.date.issued2006-05
dc.identifier.citationQuek, S.S., Xiang, Y., Zhang, Y.W., Srolovitz, D.J., Lu, C. (2006-05). Level set simulation of dislocation dynamics in thin films. Acta Materialia 54 (9) : 2371-2381. ScholarBank@NUS Repository. https://doi.org/10.1016/j.actamat.2006.01.017
dc.identifier.issn13596454
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/86492
dc.description.abstractWe develop a level set method-based, three-dimensional dislocation dynamics simulation method to describe the motion of dislocations in a heteroepitaxial thin film. The simulations accurately describe the elastic interactions of the dislocations, stress fields throughout the film and substrate, dislocation annihilation, and dislocation reactions. As an example application, we consider the expansion of dislocation half-loops in a Si1-ηGeη thin film on a Si substrate. The expansion of the loop(s) creates interfacial misfit dislocations connected to propagating threading segments. The simulations show cross-slip of screw segments from one (1 1 1) glide plane to another, topological changes, and thermodynamically favorable dislocation reactions. © 2006 Acta Materialia Inc.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.actamat.2006.01.017
dc.sourceScopus
dc.subjectDislocation dynamics
dc.subjectSimulation
dc.subjectThin films
dc.typeArticle
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.description.doi10.1016/j.actamat.2006.01.017
dc.description.sourcetitleActa Materialia
dc.description.volume54
dc.description.issue9
dc.description.page2371-2381
dc.identifier.isiut000237673700009
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