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Light yield and timing characteristics of Lu.sub.0.8./sub.Gd.sub.2.2./sub.(Al.sub.5-x./sub.Ga.sub.x./sub.)O.sub.12./sub.:Ce,Mg single crystals

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    0545212 - FZÚ 2022 RIV US eng J - Journal Article
    Sakthong, O. - Chewpraditkul, Wa. - Pattanaboonmee, N. - Chewpraditkul, W. - Yamaji, A. - Kamada, K. - Kurosawa, S. - Yoshikawa, A. - Witkowski, M. - Drozdowski, W. - Szczesniak, T. - Moszynski, M. - Babin, Vladimir - Nikl, Martin
    Light yield and timing characteristics of Lu0.8Gd2.2(Al5-xGax)O12:Ce,Mg single crystals.
    IEEE Transactions on Nuclear Science. Roč. 67, č. 10 (2020), s. 2295-2299. ISSN 0018-9499. E-ISSN 1558-1578
    R&D Projects: GA MŠMT(CZ) EF16_019/0000760
    Grant - others:OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
    Institutional support: RVO:68378271
    Keywords : scintillator * luminescence * garnet * single crystal
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    Impact factor: 1.679, year: 2020
    Method of publishing: Limited access
    https://doi.org/10.1109/TNS.2020.3005410

    The scintillation characteristics of Lu0.8Gd2.2 (Al5−xGax )O12:Ce,Mg (x = 2.6 and 3) single crystals grown by the micropulling down method are investigated. The light yield of 27 600 photons/MeV obtained for Lu0.8Gd2.2Al2Ga3O12:Ce,Mg is higher than that of 25 400 photons/MeV obtained for Lu0.8Gd2.2Al2.4Ga2.6O12:Ce,Mg. The photoluminescence and scintillation decays measured at room temperature (RT)for Lu0.8Gd2.2Al2Ga3O12:Ce,Mg are faster than those for Lu0.8Gd2.2Al2.4Ga2.6O12:Ce,Mg. Temperature dependence of radioluminescence (RL) intensity indicates a lower quenching temperature for Lu0.8Gd2.2Al2Ga3O12:Ce,Mg. Coincidence time resolution of a Lu0.8Gd2.2Al2Ga3O12:Ce,Mg detector in coincidence experiment with a BaF2 detector was measured to be 410 ps. The afterglow and thermally stimulated luminescence (TSL) characteristics below RT are also measured.
    Permanent Link: http://hdl.handle.net/11104/0321982

     
     
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