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http://hdl.handle.net/123456789/6671
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| Title: | Optical investigations using ultra-soft pseudopotential calculations of Si0.5Ge0.5 alloy |
| Authors: | Y., Al-Douri
Y. P., Feng
A. C. H., Huan |
| Keywords: | SiGe alloy
Optical properties
VASP
Alloys
Materials engineering
Semiconductor alloys
Band structure engineering |
| Issue Date: | Dec-2008 |
| Publisher: | Elsevier Ltd |
| Citation: | Solid State Communications, vol.148 (11-12), 2008, pages 521-524. |
| Abstract: | Ultra-soft pseudopotential (US-PP) calculations with a powerful package called VASP (Vienna ab initio simulation package) are used. The total density of state and the energy gap of Si0.5Ge0.5 alloy of zinc-blende structure are calculated using the band structure scheme. The energy gap is found to be indirect for the zinc-blende structure. The results of refractive index and optical dielectric constant of Si0.5Ge0.5 alloy are investigated. The results are in reasonable agreement with experimental and theoretical ones. |
| Description: | Link to publisher's homepage at www.elsevier.com |
| URI: | http://www.sciencedirect.com/science/journal/00381098
http://hdl.handle.net/123456789/6671 |
| ISSN: | 0038-1098 |
| Appears in Collections: | School of Microelectronic Engineering (Articles)
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