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Energy transfer to the Ce<SUP>3+</SUP> centers in Lu<INF>3</INF>Al<INF>5</INF>O<INF>12</INF>:Ce scintillator
- Source :
- Physica Status Solidi (A) - Applications and Materials Science; May 2004, Vol. 201 Issue: 7 pR41-R44, 4p
- Publication Year :
- 2004
-
Abstract
- Luminescence spectra and scintillation decays under steady-state and pulsed X-ray excitations, respectively, are presented for undoped and Ce-doped Lu<INF>3</INF>Al<INF>5</INF>O<INF>12</INF> single crystals at room temperature. The energy transfer from the trapped exciton state towards the Ce<SUP>3+</SUP> centers appears rather inefficient. A negative influence of the shallow trapping states is evidenced, which results in delayed radiative recombination at the Ce<SUP>3+</SUP> centers and slows down the scintillation response of the material. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Details
- Language :
- English
- ISSN :
- 18626300 and 18626319
- Volume :
- 201
- Issue :
- 7
- Database :
- Supplemental Index
- Journal :
- Physica Status Solidi (A) - Applications and Materials Science
- Publication Type :
- Periodical
- Accession number :
- ejs6001058
- Full Text :
- https://doi.org/10.1002/pssa.200409041