Influence of composition on electrical and optical properties of new chalcogenide thin films from Ge–Se–Tl system
✍ Scribed by F.A. Al-Agel
- Book ID
- 108233765
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 516 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0030-3992
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The optical properties of as-deposited Ge x Se 92Àx In 8 (x ¼ 10, 12.5, 15 and 20 at%) have been studied. Various optical constants have been calculated for the studied compositions. The mechanism of the optical absorption follows the rule of non-direct transition. It was found that, the optical ene
The results are presented of a study of the electrical and optical properties of vacuum evaporated amorphous thin films in the Ge0S0Se system. The effect of Te isoelectronic substitution either completely for S to give Ge 2.5 Te 2.5 Se 95 and Ge 5 Te 5 Se 90 or partially for Se to yield Ge 2.