Luminescence and scintillation response of YGd.sub.2./sub.Al.sub.2./sub.Ga.sub.3./sub.O.sub.12./sub.:Ce and LuGd.sub.2./sub.Al.sub.2./sub.Ga.sub.3./sub.O.sub.12./sub.:Ce scintillators

0462952 - FZÚ 2017 RIV GB eng J - Článek v odborném periodiku
Chewpraditkul, Wa. - Pattanaboonmee, N. - Chewpraditkul, W. - Kamada, K. - Yoshikawa, A. - Nikl, Martin
Luminescence and scintillation response of YGd₂Al₂Ga₃O₁₂:Ce and LuGd₂Al₂Ga₃O₁₂:Ce scintillators.
Radiation Measurements. Roč. 90, Jul (2016), s. 153-156. ISSN 1350-4487. E-ISSN 1879-0925.
[International Conference on Luminescent Detectors and Transformers of Ionizing Radiation (LUMDETR). Tartu (Estonsko), 20.09.2015-25.09.2015]
Grant CEP: GA ČR GAP204/12/0805
Institucionální podpora: RVO:68378271
Klíčová slova: YGd₂Al₂Ga₃O₁₂:Ce * LuGd₂Al₂Ga₃O₁₂:Ce * light yield * luminescence * scintillation
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
Impakt faktor: 1.442, rok: 2016

The luminescence and scintillation properties of YGd2Al2Ga3O12:Ce and LuGd2Al2Ga3O12:Ce single crystal scintillators were compared. The light yield (LY) and energy resolution were measured using R6231 photomultiplier. At 662 keV g-rays, high LY value of 37,900 ph/MeV and energy resolution of 7.0% obtained for YGd2Al2Ga3O12:Ce are slightly better than the values of 35,400 ph/MeV and 7.6% obtained for LuGd2Al2Ga3O12:Ce. The ratio of LY values under excitation with a- and g-rays (a/g ratio) was also determined. The LY dependence on amplifier shaping time was measured in order to investigate the timing characteristics in the scintillation response.
Trvalý link: http://hdl.handle.net/11104/0262471