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Proceedings Paper

Radiation damage processes in complex-oxide scintillators
Author(s): Martin Nikl; Eva Mihokova; Valentin Laguta; Jan Pejchal; Stefania Baccaro; Anna Vedda
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Paper Abstract

Gamma radiation induced absorption processes of various scintillating materials were studied at room temperature. Single crystal of PbWO4, Ce-doped YAlO3 and Ce(Pr)-doped Y(Lu)3Al5O12 were irradiated by 60Co and doses ranging between 1-500 Gy. Broad induced absorption spectra obtained were decomposed into separate Gaussian components and tentatively ascribed to specific color centres. Supporting thermoluminescence and electron paramagnetic resonance experiments were performed to reveal the nature of charge carrier traps. The influence of codoping by aliovalent ions is also shown and discussed.

Paper Details

Date Published: 18 May 2007
PDF: 13 pages
Proc. SPIE 6586, Damage to VUV, EUV, and X-ray Optics, 65860E (18 May 2007); doi: 10.1117/12.724737
Show Author Affiliations
Martin Nikl, Institute of Physics, ASCR (Czech Republic)
Eva Mihokova, Institute of Physics, ASCR (Czech Republic)
Valentin Laguta, Institute of Physics, ASCR (Czech Republic)
Jan Pejchal, Institute of Physics, ASCR (Czech Republic)
Stefania Baccaro, ENEA-TEC/IRR (Italy)
Anna Vedda, Univ. of Milano-Bicocca (Italy)


Published in SPIE Proceedings Vol. 6586:
Damage to VUV, EUV, and X-ray Optics
Libor Juha; Ryszard H. Sobierajski; Hubertus Wabnitz, Editor(s)

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