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Low-temperature absorption edge and photoluminescence in layered structured Tl2Ga2S3Se single crystals

✍ Scribed by Gasanly, N.M.

Book ID
121012434
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
405 KB
Volume
407
Category
Article
ISSN
0921-4526

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The emission band spectra of undoped Tl 2 In 2 Se 3 S layered crystals have been studied in the temperature range of 25-63 K and the wavelength region of 570-700 nm. A broad photoluminescence band centered at 633 nm (1.96 eV) was observed at T ΒΌ 25 K. Variation of emission band has been studied as a