We investigated the room temperature photoluminescence of calcium thiogallate codoped with Ce and Pr. Line shaped emissions superimposed over a wide and composed luminescence band were observed. Different components were distinguished by means of time resolved photoluminescence measurements, and were attributed to the dopant species. A band at 2.24 eV, not previously reported, was observed.
Photoluminescence of Ce and Pr codoped calcium thiogallate
ANEDDA, ALBERTO;CARBONARO, CARLO MARIA;CHIRIU, DANIELE;CORPINO, RICCARDO;MARCEDDU, MARCO;RICCI, PIER CARLO;
2006-01-01
Abstract
We investigated the room temperature photoluminescence of calcium thiogallate codoped with Ce and Pr. Line shaped emissions superimposed over a wide and composed luminescence band were observed. Different components were distinguished by means of time resolved photoluminescence measurements, and were attributed to the dopant species. A band at 2.24 eV, not previously reported, was observed.
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