Light Yield and Timing Characteristics of Lu.Gd.(Al5-xGax)O:Ce,Mg Single Crystals

Ongsa Sakthong, Warut Chewpraditkul, Nakarin Pattanaboonmee, Weerapong Chewpraditkul, Akihiro Yamaji, Kei Kamada, Shunsuke Kurosawa, Akira Yoshikawa, Marcin Witkowski, Winicjusz Drozdowski, Tomaz Szczesniak, Marek Moszynski, Vladimir Babin, Martin Nikl

研究成果: Article査読

抄録

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 27600 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.

本文言語English
論文番号9127538
ページ(範囲)2295-2299
ページ数5
ジャーナルIEEE Transactions on Nuclear Science
67
10
DOI
出版ステータスPublished - 2020 10

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学
  • 電子工学および電気工学

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