Temperature-dependent absorption edge and photoconductivity of Tl2In2S3Se layered single crystals
β Scribed by I. Guler; M. Ambrico; T. Ligonzo; N.M. Gasanly
- Book ID
- 118461625
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- English
- Weight
- 673 KB
- Volume
- 550
- Category
- Article
- ISSN
- 0925-8388
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## Abstract The optical properties of Tl~2~In~2~S~3~Se layered single crystals have been studied by means of transmission and reflection measurements in the wavelength range of 450β1100 nm. The analysis of the absorption data revealed the presence of both optical indirect and direct transitions wit
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