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http://hdl.handle.net/11531/5207
Título : | Single-phase-field model of stepped surfaces |
Autor : | Castro Ponce, Mario Hernández Machado, Aurora Cuerno Rejado, Rodolfo |
Fecha de publicación : | 1-feb-2009 |
Resumen : | We formulate a phase-field description of step dynamics on vicinal surfaces that makes use of a single dynamical field, at variance with previous analogous works in which two coupled fields are employed, namely, a phase-field proper plus the physical adatom concentration. Within an asymptotic sharp interface limit, our formulation is shown to retrieve the standard Burton-Cabrera-Frank model in the general case of asymmetric attachment coefficients «Ehrlich-Schwoebel effect». We confirm our analytical results by means of numerical simulations of our phase-field model. Our present formulation seems particularly well adapted to generalization when additional physical fields are required. |
Descripción : | Artículos en revistas |
URI : | https:doi.org10.1103PhysRevE.79.021601 |
ISSN : | 1539-3755 |
Aparece en las colecciones: | Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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IIT-11-073A.pdf | 217,4 kB | Adobe PDF | Visualizar/Abrir Request a copy |
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