Danani, Andrea and Ferrando, Riccardo and Scalas, Enrico and Torri, Massimo and Brivio, GP (1995) Lattice-gas model of diffusion of NH 3 on Re (0001). Chemical Physics Letters, 236 (6). pp. 533-537. ISSN 0009-2614
Full text not available from this repository.Abstract
A lattice-gas model for the chemical diffusion of NH3 on Re(0001) is presented. The system is modelled as a triangular lattice gas with nearest-neighbour repulsive lateral interactions. The average jump rate and the static structure factor are calculated within the cluster variation method framework by using a cluster of seven sites. Then the chemical diffusion coefficient is evaluated in the Darken approximation. This results in the jump rate and diffusion coefficient strongly increasing with coverage in agreement with experimental measurements.
| Item Type: | Scientific journal article, Newspaper article or Magazine article |
|---|---|
| Subjects: | Physical sciences > Physics > Mathematical & theoretical physics |
| Department/unit: | Dipartimento tecnologie innovative > Istituto CIM per la sostenibilità nell'innovazione |
| Depositing User: | Andrea Danani |
| Date Deposited: | 06 Mar 2015 06:31 |
| Last Modified: | 08 Jul 2016 09:46 |
| URI: | http://repository.supsi.ch/id/eprint/6226 |
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