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ODEPR of indium colour centres in the X- irradiated storage phosphor KBr:In |
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| Authors: | U. Rogulis J.-M. Spaeth I. Tale E. Ruza |
| Affiliation: | 1. Inst. of Solid State Physics, University of Latvia , 8 Kengaraga str., LV1063 , Rìga , Latvia;2. Universit?t-GH Paderborn, FB Physik , Postfach 1621, D-33095 , Paderbom , Germany |
| Abstract: | Abstract The results of measurements of the magnetic circular dichroism of the optical absorption (MCDA) and optically detected electron paramagnetic resonance (ODEPR) of X-irradiated KBr:In crystals are presented. The MCDA bands and ODEPR parameters of In°(1) centers and In2+ centres have been measured. The mechanism of the energy storage in KBr:In crystals is found not to be simply the formation of correlated F centre-In2+ centre pairs as was assumed previously. Considerable similarities to the storage phosphor BaFBr:Eu2+ were found for the photostimulated emission and read-out properties. |
| Keywords: | X-ray storage phosphor In centres paramagnetic resonance |