Epitaxial Interfaces between Crystallographically Mismatched Materials
نویسندگان
چکیده
منابع مشابه
Epitaxial interfaces between crystallographically mismatched materials.
We report an unexpected mechanism by which an epitaxial interface can form between materials having strongly mismatched lattice constants. A simple model is proposed in which one material tilts out of the interface plane to create a coincidence-site lattice that balances two competing geometrical criteria--low residual strain and short coincidence-lattice period. We apply this model, along with...
متن کاملElasticity theory connection rules for epitaxial interfaces
Elasticity theory provides an accurate description of the long-wavelength vibrational dynamics of homogeneous crystalline solids, and with supplemental boundary conditions on the displacement field can also be applied to abrupt heterojunctions and interfaces. The conventional interface boundary conditions, often referred to as ‘‘connection rules,’’ require that the displacement field and its as...
متن کاملOrdering at Solid-Liquid Interfaces Between Dissimilar Materials
In an earlier report we explored structural correlations at a liquidsolid interface with molecular dynamics simulations of a model aluminium system using the Ercolessi-Adams potential and up to 4320 atoms. Substrate atoms were pinned to their equilibrium fcc crystalline positions while liquid atoms were free to move. A direct correlation between the amount of ordering in the liquid phase and th...
متن کاملThermal analysis for cracks near interfaces between piezoelectric materials
A crack of arbitrary size and orientation near bimaterial interfaces between dissimilar thermopiezoelectric materials is considered . A system of singular integral equations for the unknown thermal analog of dislocation density defined on the crack faces is derived by way of the Stroh's formulation and the thermoelectroelastic Green's fUflctions developed recently. The stress and electric displ...
متن کاملModeling interfaces between solids: Application to Li battery materials
We present a general scheme to model an energy for analyzing interfaces between crystalline solids, quantitatively including the effects of varying configurations and lattice strain. This scheme is successfully applied to the modeling of likely interface geometries of several solid state battery materials including Li metal, Li3PO4, Li3PS4, Li2O, and Li2S. Our formalism, together with a partial...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2011
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.107.026102