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Thermoluminescence and two-wavelength excited photoluminescence of Ba3Si6O12N2:Eu2+ phosphor

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Abstract

In addition to thermoluminescence analysis, we superposed a below-gap excitation light for Ba3Si6O12N2:Eu2+ and detected a nonradiative center by observing photoluminescence intensity increase. Such low density centers in phosphors became detectable by the optical method.

© 2013 Optical Society of America

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