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Collective diffusion in a lattice-gas: application to O/W(110)

journal contribution
posted on 2023-06-08, 18:28 authored by M Torri, R Ferrando, Enrico Scalas, G P Brivio
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)).

History

Publication status

  • Published

Journal

Surface Science

ISSN

0039-6028

Publisher

Elsevier

Issue

Part A

Volume

307-09

Page range

565-569

Department affiliated with

  • Mathematics Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2014-10-03

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