## Abstract Optical absorption spectra of CuIn~5~Se~8~ and CuGa~3~Se~5~ single crystals grown by chemical vapour transport were investigated in the range of 10–300 K. The logarithmic variation of the absorption coefficient with photon energy observed in both compounds just below the fundamental abs
✦ LIBER ✦
Urbach's tail in the absorption spectra of the ordered vacancy compound CuGa3Se5
✍ Scribed by S.M. Wasim; G. Marı́n; C. Rincón; P. Bocaranda; G. Sánchez Pérez
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 153 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0022-3697
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