Photoluminescence of Ce and Pr codoped calcium thiogallate

ANEDDA, ALBERTO;CARBONARO, CARLO MARIA;CHIRIU, DANIELE;CORPINO, RICCARDO;MARCEDDU, MARCO;RICCI, PIER CARLO;Georgobiani A. N.;Tagiev B. G.;Tagiev O. B.;Abushev S. A.;Tiginyanu I. M.

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.