Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
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SM ISO690:2012 NEMERENCO, Lucreţia, SYRBU, Nicolae, DOROGAN, Valerian, BEJAN, Nicolae, ZALAMAI, Victor. Optical spectra of TlGaS2 crystals. In: Journal of Luminescence, 2016, vol. 172, pp. 111-117. ISSN 0022-2313. DOI: https://doi.org/10.1016/j.jlumin.2015.12.001 |
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Journal of Luminescence | ||||||
Volumul 172 / 2016 / ISSN 0022-2313 | ||||||
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DOI:https://doi.org/10.1016/j.jlumin.2015.12.001 | ||||||
Pag. 111-117 | ||||||
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Rezumat | ||||||
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 Band structure, Kramers-Kronig relations, Optical absorption and reflection spectra, Optical constants, Semiconductor compound, wavelength modulated spectra |
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