The two-dimensional Peierls-Nabarro model for interfacial misfit dislocation networks of cubic lattice

Y. Zhang and Y. Yao ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 55, issue 4, 355-362

Abstract: A model is developed to investigate the two-dimensional interfacial misfit dislocation networks that follows the original Peierls-Nabarro idea. Structure and energies of heterophase interfaces are considered for the cubic lattice. To examine the energy contribution of misfit dislocations, where interactions between two dislocation arrays are concerned, a generalized stacking fault energy is proposed. Combined with first-principles calculations, we apply this model to a practical metal-ceramic example: the Ag/MgO(100) interface. An important correction to the adhesive energy is proposed in addition to its dislocation structure being confirmed. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 68.35.-p Solid surfaces and solid-solid interfaces: Structure and energetics; 61.72.Bb Theories and models of crystal defects; 61.72.Lk Linear defects: dislocations; disclinations (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2007-00072-0

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