Abstract
The luminescence spectra and luminescence excitation spectra have been investigated in the spectral range of 6.5–4.4 eV. Pulsed cathodoluminescence of LiF-WО3 and LiF-TiО2 crystals has been studied in the temperature range of 20–300 K. All LiF crystals doped with metal oxides are found to have similar luminescent properties and identical structure of the luminescence centers. It is assumed that photon and electron bombardment induces excitation of different types of О2− oxygen centers perturbed by impurities and Fe2О3, WО3 and TiО2 included in the oxygen complexes.
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