18 May 2007 Radiation damage processes in complex-oxide scintillators
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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.
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Martin Nikl, Martin Nikl, Eva Mihokova, Eva Mihokova, Valentin Laguta, Valentin Laguta, Jan Pejchal, Jan Pejchal, Stefania Baccaro, Stefania Baccaro, Anna Vedda, Anna Vedda, } "Radiation damage processes in complex-oxide scintillators", Proc. SPIE 6586, Damage to VUV, EUV, and X-ray Optics, 65860E (18 May 2007); doi: 10.1117/12.724737; https://doi.org/10.1117/12.724737
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