Torri, M, Ferrando, R, Scalas, E and Brivio, G P (1994) Collective diffusion in a lattice-gas: application to O/W(110). Surface Science, 307-09 (Part A). pp. 565-569. ISSN 0039-6028

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Abstract

In this paper the diffusion of oxygen on the W(110) surface for coverages theta < 1/8 nd at various temperatures T = 600, 800, 1000 and 1200 K is studied. In particular the energy width of the coherent dynamic structure factor and the chemical diffusion coefficient, which are computed by using the Mori projection operator technique and neglecting memory effects, are presented. The energy width displays a relative minimum at the border of the first Brillouin zone in the direction q = q_x (1, 1/sqrt(2)).

Item Type:	Article
Schools and Departments:	School of Mathematical and Physical Sciences > Mathematics
Subjects:	Q Science > QA Mathematics > QA0273 Probabilities. Mathematical statistics Q Science > QC Physics > QC0170 Atomic physics. Constitution and properties of matter Including molecular physics, relativity, quantum theory, and solid state physics
Depositing User:	Enrico Scalas
Date Deposited:	03 Oct 2014 11:55
Last Modified:	03 Oct 2014 11:55
URI:	http://srodev.sussex.ac.uk/id/eprint/50327

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