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Global Journal of Physical Chemistry. Volume 2, Issue 2 (2011) pp. 157-164
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Research Article
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Free Article
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Surface diffusion of Ag adatom on Cu (110) by molecular dynamics simulation
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Khalid Sbiaaia,b, Yahia Boughaleba,d,e, Jean-Yves Ratyb, Abdezzahid Arbaouia, Abdelkader Karac
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a Laboratoire de Physique de la Matière Condensée,
Université Chouaïb Doukkali, B.P 20, El Jadida, 24000, Morocco
b Laboratoire de Physique de la Matière Condensée,
Université de Liège, B5, Liège, 4000, Belgique
c Department of Physics, Orlando University of Central Florida,
4000 Central Florida Blvd / Building 121 PS 430, USA
d Laboratoire Physique de la Matière Condensée,
Université Hassan II Mohammedia, Morocco
e Académie Hassan II des Sciences etTechniques, Rabat, Morocco
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Abstract |
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Using molecular dynamics simulations, we performed a numerical investigation of the diffusion of a monomer (adatom) on a metal surface. The system consists of a copper (110) surface and a single silver adatom. Several types of diffusion processes are observed, as simple jumps between neighbouring sites coexist with longer jumps extending over many sites. The numerical results are in good agreement with the Arrhenius behaviour for a large range of temperatures (from 300 to 500 K).
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Keywords |
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Diffusion; Molecular Dynamics; Embedded Adatom Model
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