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Citation: Wang Cheng, Liu Lei, Li Yu-Fen. Energies and Structures of (SiO₂)_n Clusters[J]. Acta Physico-Chimica Sinica, ;1999, 15(02): 143-149. doi: 10.3866/PKU.WHXB19990210 shu

Energies and Structures of (SiO₂)_n Clusters

1.
Department of Physics and State Key Joint Laboratory for Materials Modification by Laser,Ion and Electron Beams,Fudan University,Shanghai 200433

Received Date: 23 April 1998
Available Online: 15 February 1999

The energies and structures of (SiO2)n clusters bound by a reliable empirical potential function have been studied A genetic al rithm has been used to search for the global minima on the empirical potential surface. The dependence of energy and structure of (SiO2 )n clusters on cluster size has been analysized and discussed, the results slow that no magic numbers in (SiO2)n clusters obviously exist, and, in the range of n≤20, there are no evidence for (SiO2)n to show the structural characters of the corresponding bulk materials.
- Silica clusters,
- Cluster structures,
- Genetic al rithm
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Energies and Structures of (SiO₂)_n Clusters