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Ab Initio Calculations for the Polarizabilities of Small Sulfur Clusters |
| BAI Yu-Lin1;CHEN Xiang-Rong1;CHENG Xiao-Hong2;YANG Xiang-Dong1,2 |
| 1Department of Physics and Electronic Information, Yibin University, Yibin 644000
2Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065 |
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| Cite this article: |
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BAI Yu-Lin, CHEN Xiang-Rong, CHENG Xiao-Hong et al 2005 Chin. Phys. Lett. 22 2795-2797 |
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Abstract Polarizabilities of small Sn (n=2--8) clusters are calculated by using the higher-order finite- difference pseudopotential density functional method in real space. We find that the polarizabilities of the clusters are considered to be higher than the value estimated from the ``hard sphere'' model using the bulk static dielectric constant. The computed polarizabilities per atom tend to decrease with the increasing cluster size. The polarizabilities are closely related to the HOMO-LUMO gaps and the geometrical configurations.
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| Keywords:
32.10.Dk
36.40.-c
36.40.Cg
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Published: 01 November 2005
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| PACS: |
32.10.Dk
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(Electric and magnetic moments, polarizabilities)
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36.40.-c
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(Atomic and molecular clusters)
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36.40.Cg
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(Electronic and magnetic properties of clusters)
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