Browsing Articole din publicaţii internaţionale by Subject "band gap"

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Electronic and Vibrational Reflectivity and Absorption Spectra in ZrS2Crystals

SYRBU, Nicolae N.; CEBOTARI, Vladimir Z.; MOLDOVEANU, Nicolae P. (IOP Publishing, 1996)

The study of both the absorption and λ-modulated absorption spectra have been investigated in the region of the lowest band gap. The reflectivity spectra of ZrS2 are presented in the region E>E g (1.5 to 6.5 eV). The IR ...
Energy Band Structure of CuInS2 Crystals

SYRBU, N. N.; CRETU, R. V.; TEZLEVAN, V. E. (John Wiley & Sons, Inc., 1998)

In this work the reflectivity spectra and wave-length derivative reflectivity (WDR) spectra of CuInS2 crystals have been investigated in the region E ≥ Eg. The n = 1, n = 2 and n = 3 excitonic states are determined and ...
Exciton spectra and energy band structure of CuGaSe2 single crystals

LEVCHENKO, S.; SYRBU, N. N.; TEZLEVAN, V. E.; ARUSHANOV, E.; MERINO, J. M.; LEÓN, M. (IOP Publishing, 2008)

Photoreflectivity, wavelength modulation spectroscopy and photoluminescence measurements of CuGaSe2 are used to determine the exciton and band parameters as well as the energy band structure of CuGaSe2 at photon energies ...

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