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Luminescence and scintillation characteristics of heavily -doped single crystals
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View: Figures


Image of FIG. 1.
FIG. 1.

Photograph of the as grown crystal.

Image of FIG. 2.
FIG. 2.

Absorption spectra of -doped PWO (0.1%Pr and 1%Pr) measured on 30 mm long cylinders. The inset provides an enlargement including the sample absorption edge and the transitions of for the 0.1%–1.0%–5%Pr concentrations measured on 1 mm thick plates.

Image of FIG. 3.
FIG. 3.

Excitation (at , 620, and 490 nm) and emission (at , 330, 450 nm) spectra of 1%Pr crystal measured on a 1 mm thick plate.

Image of FIG. 4.
FIG. 4.

RL spectra of three PWO:Pr crystals in quantitative comparison with that of a BGO standard scintillator (equally shaped samples, 1 mm thick plates).

Image of FIG. 5.
FIG. 5.

Photoluminescence decay of 1%Pr sample, , . The thick solid line is the convolution of the instrumental response (measured excitation pulse) and of the function . The inset shows the Pr-concentration dependence of the decay time in the 610 and 645 nm emission lines.

Image of FIG. 6.
FIG. 6.

Spectrally unresolved scintillation decay of 1%Pr sample (30 mm long cylinder, excited by 511 keV photons of radioisotope).

Image of FIG. 7.
FIG. 7.

TSL glow curves of all PWO:Pr samples after x-ray irradiation at RT. The signal increase above is due to black body radiation of the TSL heater.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Luminescence and scintillation characteristics of heavily Pr3+-doped PbWO4 single crystals