Search results for "Green emission"

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Nature of the blue luminescence bands in PbWO4

1997

Abstract The photoluminescence spectrum of PbWO 4 is composed of blue and green bands, previously attributed to the regular WO 4 group and to the defect-related WO 3 group, respectively. Untill now only green emission was observed in the thermostimulated luminescence (TSL) above 77 K. Investigation of the TSL spectra starting from 20 K indicates that the blue band, being definitely present at least in the 28 K TSL peak, is also due to recombination emission at defect sites.

PhotoluminescenceMaterials sciencebusiness.industryBiophysicsAnalytical chemistryGeneral ChemistryCondensed Matter PhysicsBiochemistryBlue bandAtomic and Molecular Physics and OpticsSpectral lineGreen emissionOptoelectronicsbusinessLuminescenceRecombinationJournal of Luminescence

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