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Luminescence, decay, and thermal quenching under photonic excitation of mono and polycrystals have been measured. For excitation into the lower 5d states, thermal quenching starts above 350 K, which makes this material appropriate for use as a yellow phosphor under excitation by blue-emitting diodes. Thermoluminescence after 337.1 nm irradiation is explained by photoionization of ions.
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Bénalloul et al. (2002) studied this question.
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