Radiation damage processes in complex-oxide scintillators

Martin Nikl; Eva Mihokova; Valentin Laguta; Jan Pejchal; Stefania Baccaro; Anna Vedda

doi:10.1117/12.724737

18 May 2007 Radiation damage processes in complex-oxide scintillators

Martin Nikl, Eva Mihokova, Valentin Laguta, Jan Pejchal, Stefania Baccaro, Anna Vedda

Proceedings Volume 6586, Damage to VUV, EUV, and X-ray Optics; 65860E (2007) https://doi.org/10.1117/12.724737
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

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.

Citation Download Citation

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

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