Abstract
The photoconductivity and photoluminescence spectra of ZnTe:V crystals in the visible spectral region are studied. It is established that the high-temperature impurity photoconductivity of ZnTe:V crystals is controlled by the optical transitions of electrons from the ground state 4T1(F) to high-energy excited states, with subsequent thermally activated transitions of electrons to the conduction band. A photoconductivity band associated with the photoionization of V impurities is revealed. The intracenter luminescence of ZnTe:V crystals is efficiently excited with light corresponding to the intrinsic absorption region of V2+ ion.
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