DOROGAN, Andrei; MIROVSCHI, Vladimir; NEMERENCO, Lucreția; IVANENCO, Iurie
(Tehnica UTM, 2015)
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 ...