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Band Offset and Optical Property of (ZnS)n/(Si2)n (110) Superlattice |
LI Kai-hang;HUANG Mei-chun;WANG Ren-zhi |
Department of Physics, Xiamen University, Xiamen 361005 |
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Cite this article: |
LI Kai-hang, HUANG Mei-chun, WANG Ren-zhi 1996 Chin. Phys. Lett. 13 458-460 |
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Abstract Supercell self-consistent calculation of band structures of (ZnS)n/(Si2)n (110) (n = 2,3,4,5) has been performed by means of linear muffin-tin orbitals method. The valence-band offset of such systems is calculated by frozen optential method and their Joint density of states has been computed by tetrahedron method. Our results show that the (ZnS)n/(Si2)n (110) superlattices have a large valence-band offset and their optical properties integrate exellent optical properties of bulk ZnS and that of Si.
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Keywords:
71.25.Tn
78.66.-w
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Published: 01 June 1996
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