Add time:07/31/2019         Source:sciencedirect.com

Excitation and emission spectra and decay kinetics of non-stoichiometric STRONTIUM ZIRCONATE (cas 12036-39-4) powder phosphor were measured in the 8–500 K temperature interval. Phenomenological model was applied to extract quantitative parameters of the excited state levels and nonradiative quenching pathways related to the luminescence centre. Delayed recombination integrals measurement was employed to investigate the occurrence of thermally induced ionization of the excited state of the emission centre. The nature of the emission centre itself is suggested. Suitability for phosphor and scintillation application is discussed.

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