Continuum field model of defect-induced heterogeneities in a strained thin layer

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dc.creatorBelogolovskii, Mikhail
dc.creatorAkimov, Gennadij
dc.creatorKomysa, Yurii
dc.creatorSeidel, Paul
dc.date2003-10-16
dc.date.accessioned2026-07-07T02:54:14Z
dc.date.available2026-07-07T02:54:14Z
dc.descriptionWe investigate the effect of external stresses on structural and mechanical properties of a strained damaged thin layer by developing a continuum phase-field mesoscale model based on the introduction of an order parameter field, the defect concentration, coupled with a displacement field. We find that even in the case of an initially uniform distribution of point defects external stresses drive the nucleation of local regions with higher concentration of vacancies or self-interstitials than their average value over the film. The effect can explain our experimental findings relating generation of highly heterogeneous regions in cobalt disilicide film fabricated in self-aligned processing on a silicon surface as well as improvement of fracture toughness in a tetragonal zirconia ceramics with oxygen vacancies.
dc.descriptionsubmitted to the proceedings of the Tenth International Symposium on Continuum Models and Discrete Systems (CMDS10), Shoresh, Israel, 30 June - 4 July 2003
dc.identifierhttps://arxiv.org/abs/cond-mat/0310395
dc.identifierhttp://arxiv.org/abs/cond-mat/0310395
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22465
dc.subjectMaterials Science
dc.titleContinuum field model of defect-induced heterogeneities in a strained thin layer
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