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 SM ISO690:2012BEJAN, Nicolae, NEMERENCO, Lucreţia, MASNIK, Alisa. Wavelength modulated optical spectra of TlGaS2 crystals. In: Telecommunications, Electronics and Informatics, Ed. 5, 20-23 mai 2015, Chișinău. Chișinău, Republica Moldova: 2015, Ed. 5, pp. 155-162. ISBN 978-9975-45-377-6. |
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| Telecommunications, Electronics and Informatics Ed. 5, 2015 |
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Conferința "Telecommunications, Electronics and Informatics" 5, Chișinău, Moldova, 20-23 mai 2015 | ||||||
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| Pag. 155-162 | ||||||
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Wavelength modulated reflection spectra measured at temperatures 14 K and 300 K in E||a and E||b polarizations for TlGaS2 crystals were investigated. The ground and excited states of excitons B2u in E||a polarization and B3u in E||b polarization were observed and the main parameters of exitons and bands were determined. The optical functions for wide energies (2 - 6 eV) were calculated by Kramers-Kronig analysis of reflection spectra. The wavelengths of isotropic points in TlGaS2 crystals were defined. |
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| Cuvinte-cheie Semiconductor compound, Optical absorption and reflection spectra, wavelength modulated spectra, Kramers-Kronig relations, Optical constants, Band structure |
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