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Photoconductivity in the ordered vacancy compound CuIn5Se8

✍ Scribed by Rachel Reena Philip; B. Pradeep; T. Shripathi

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
341 KB
Volume
250
Category
Article
ISSN
0169-4332

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## 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