Abstract
Spatially separated stable charge centers—trapped electrons and self-trapped holes—are generated in Ar cryocrystals by a low-energy electron beam. A combination of the cathodoluminescence and photon-stimulated luminescence methods has been used to probe recombination reactions. Photon-stimulated vacuum ultraviolet intrinsic recombination luminescence from pre-irradiated solid Ar was detected for the first time. The 1.96 eV laser light has been demonstrated to release electrons from their traps, giving rise to the well-known M band at 9.8 eV. Additional information on the photostability of charge centers at low temperatures is obtained.
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