Effect of lateral interactions beyond nearest-neighbors on size and shape of non-equilibrium island on surfaces
✍ Scribed by Shyi-Long Lee; Feng-Yin Li; Chiuping Li
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 472 KB
- Volume
- 168
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Monte Carlo simulations were performed to investigate the island formation of adsorbates on surfaces. The surface is modeled by a NX N square lattice. The adsorbates are initially random distributed over the lattice. The movement of each adsorbate is then monitored by a random walk algorithm. Lateral interactions containing contributions from up to the fourth coordination shell are considered. Inclusion of interactions among diagonal neighbors is found to play a key role for the formation of nonequilibrium island. The effect of the interactions contributed from the third and fourth coordination shell on the island shape is discussed.