Pressure coefficients of band gaps in semiconductors
โ Scribed by K.J. Chang; Sverre Froyen; Marvin L Cohen
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 220 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0038-1098
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๐ SIMILAR VOLUMES
We present a review of the effect of high pressure on the electronic, optical and defect properties in chalcopyrite semiconductors with the formula IยฑIIIยฑVI 2 . We show that the linear pressure coefficients of the band gap in these materials are not constant. While the bulk moduli of this family of
There is a significant and unexplained drop in the band-gap pressure coefficients of III-V ternary semiconductor alloys grown as strained layers compared with the bulk binary values. For example, the drop for In x Ga 1รx As is about รฐ50xร meV/GPa. In the past, first order effects of pressure have be