DIFFUSION OF INTERACTING LATTICE GASES ON HETEROGENEOUS SURFACES WITHSIMPLE TOPOGRAPHIES

Authors
UEBING C PEREYRA V ZGRABLICH G
Citation
C. Uebing et al., DIFFUSION OF INTERACTING LATTICE GASES ON HETEROGENEOUS SURFACES WITHSIMPLE TOPOGRAPHIES, Surface science, 366(1), 1996, pp. 185-192
Citations number
28
Categorie Soggetti
Chemistry Physical
Journal title
Surface science → ACNP
ISSN journal
00396028
Volume
366
Issue
1
Year of publication
1996
Pages
185 - 192
Database
ISI
SICI code
0039-6028(1996)366:1<185:DOILGO>2.0.ZU;2-U
Abstract
Collective diffusion coefficients are studied for heterogeneous bivari ate trap surfaces with different topographies. The topography is shown to affect strongly the coverage dependence and Arrhenius behavior of diffusion coefficients. The fluctuation and Kubo-Green methods are in strong disagreement, which is attributed to the failure of the former when the probe size is of the order of the applicable scale length for the lattice gas.