Scintillation Characteristics of Mg²-Codoped Y0.8Gd2.2(Al-Ga)O12:Ce Single Crystals

Weerapong Chewpraditkul; Nakarin Pattanaboonmee; Warut Chewpraditkul; Ongsa Sakthong; Akihiro Yamaji; Kei Kamada; Shunsuke Kurosawa; Akira Yoshikawa; Winicjusz Drozdowski; Marcin E. Witkowski; Tomasz Szczesniak; Martyna Grodzicka; Marek Moszynski

doi:10.1109/TNS.2020.2975734

Scintillation Characteristics of Mg²-Codoped Y_0.8Gd_2.2(Al_-Ga)O₁₂:Ce Single Crystals

Weerapong Chewpraditkul, Nakarin Pattanaboonmee, Warut Chewpraditkul, Ongsa Sakthong, Akihiro Yamaji, Kei Kamada, Shunsuke Kurosawa, Akira Yoshikawa, Winicjusz Drozdowski, Marcin E. Witkowski, Tomasz Szczesniak, Martyna Grodzicka, Marek Moszynski

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Abstract

Scintillation characteristics of Y_0.8Gd_2.2 (Al_5-xGa_x)O₁₂:Ce,Mg ($x = 2.6$ and 3) single crystals are presented. At 662-keV $\gamma $-rays, the light yield of 35 600 photons/MeV obtained for Y_0.8Gd_2.2Al₂Ga₃O₁₂:Ce,Mg is higher than that of 32 600 photons/MeV for Y_0.8Gd_2.2Al_2.4Ga₂₆O₁₂:Ce,Mg. Scintillation decay components of 32.3 ns (52.4%) + 104 ns (47.6%) obtained for Y_0.8Gd_2.2Al₂Ga₃O₁₂:Ce,Mg are faster than those of 11.5 ns (5%) + 51.2 ns (69%) + 302 ns (26%) obtained for Y_0.8Gd_2.2Al_2.4Ga₂₆O₁₂:Ce,Mg. The coincidence time resolution of 336 and 389 ps was obtained, respectively, for Y_0.8Gd_2.2Al₂Ga₃O₁₂:Ce,Mg-photomultiplier (PMT) and Y_0.8Gd_2.2Al_2.4Ga₂₆O₁₂:Ce,Mg-PMT, in coincidence experiment with a BaF₂-PMT detector. The radioluminescence yield at room temperature (RT) is comparable for both crystals while the yield below 130 K is about 20% higher for Y_0.8Gd_2.2Al₂Ga₃O₁₂:Ce,Mg. Afterglow and thermally stimulated luminescence (TSL) below RT are also measured.

Original language	English
Article number	9007479
Pages (from-to)	910-914
Number of pages	5
Journal	IEEE Transactions on Nuclear Science
Volume	67
Issue number	6
DOIs	https://doi.org/10.1109/TNS.2020.2975734
Publication status	Published - 2020 Jun

Keywords

Coincidence time resolution (CTR)
Mg
YGAGG:Ceg
light yield (LY)
radioluminescence (RL)
scintillation decays
thermoluminescence

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10.1109/TNS.2020.2975734

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Chewpraditkul, W., Pattanaboonmee, N., Chewpraditkul, W., Sakthong, O., Yamaji, A., Kamada, K., Kurosawa, S., Yoshikawa, A., Drozdowski, W., Witkowski, M. E., Szczesniak, T., Grodzicka, M., & Moszynski, M. (2020). Scintillation Characteristics of Mg²-Codoped Y_0.8Gd_2.2(Al_-Ga)O₁₂:Ce Single Crystals. IEEE Transactions on Nuclear Science, 67(6), 910-914. Article 9007479. https://doi.org/10.1109/TNS.2020.2975734

@article{fabdaefb0d7047a5a97914971da22e9b,

title = "Scintillation Characteristics of Mg²-Codoped Y0.8Gd2.2(Al-Ga)O12:Ce Single Crystals",

abstract = "Scintillation characteristics of Y0.8Gd2.2 (Al5-xGax)O12:Ce,Mg ($x = 2.6$ and 3) single crystals are presented. At 662-keV $\gamma $-rays, the light yield of 35 600 photons/MeV obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg is higher than that of 32 600 photons/MeV for Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg. Scintillation decay components of 32.3 ns (52.4%) + 104 ns (47.6%) obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg are faster than those of 11.5 ns (5%) + 51.2 ns (69%) + 302 ns (26%) obtained for Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg. The coincidence time resolution of 336 and 389 ps was obtained, respectively, for Y0.8Gd2.2Al2Ga3O12:Ce,Mg-photomultiplier (PMT) and Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg-PMT, in coincidence experiment with a BaF2-PMT detector. The radioluminescence yield at room temperature (RT) is comparable for both crystals while the yield below 130 K is about 20% higher for Y0.8Gd2.2Al2Ga3O12:Ce,Mg. Afterglow and thermally stimulated luminescence (TSL) below RT are also measured.",

keywords = "Coincidence time resolution (CTR), Mg, YGAGG:Ceg, light yield (LY), radioluminescence (RL), scintillation decays, thermoluminescence",

author = "Weerapong Chewpraditkul and Nakarin Pattanaboonmee and Warut Chewpraditkul and Ongsa Sakthong and Akihiro Yamaji and Kei Kamada and Shunsuke Kurosawa and Akira Yoshikawa and Winicjusz Drozdowski and Witkowski, {Marcin E.} and Tomasz Szczesniak and Martyna Grodzicka and Marek Moszynski",

note = "Publisher Copyright: {\textcopyright} 1963-2012 IEEE.",

year = "2020",

month = jun,

doi = "10.1109/TNS.2020.2975734",

language = "English",

volume = "67",

pages = "910--914",

journal = "IEEE Transactions on Nuclear Science",

issn = "0018-9499",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

number = "6",

}

Chewpraditkul, W, Pattanaboonmee, N, Chewpraditkul, W, Sakthong, O, Yamaji, A , Kamada, K , Kurosawa, S , Yoshikawa, A, Drozdowski, W, Witkowski, ME, Szczesniak, T, Grodzicka, M & Moszynski, M 2020, 'Scintillation Characteristics of Mg²-Codoped Y_0.8Gd_2.2(Al_-Ga)O₁₂:Ce Single Crystals', IEEE Transactions on Nuclear Science, vol. 67, no. 6, 9007479, pp. 910-914. https://doi.org/10.1109/TNS.2020.2975734

TY - JOUR

T1 - Scintillation Characteristics of Mg²-Codoped Y0.8Gd2.2(Al-Ga)O12:Ce Single Crystals

AU - Chewpraditkul, Weerapong

AU - Pattanaboonmee, Nakarin

AU - Chewpraditkul, Warut

AU - Sakthong, Ongsa

AU - Yamaji, Akihiro

AU - Kamada, Kei

AU - Kurosawa, Shunsuke

AU - Yoshikawa, Akira

AU - Drozdowski, Winicjusz

AU - Witkowski, Marcin E.

AU - Szczesniak, Tomasz

AU - Grodzicka, Martyna

AU - Moszynski, Marek

PY - 2020/6

Y1 - 2020/6

N2 - Scintillation characteristics of Y0.8Gd2.2 (Al5-xGax)O12:Ce,Mg ($x = 2.6$ and 3) single crystals are presented. At 662-keV $\gamma $-rays, the light yield of 35 600 photons/MeV obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg is higher than that of 32 600 photons/MeV for Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg. Scintillation decay components of 32.3 ns (52.4%) + 104 ns (47.6%) obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg are faster than those of 11.5 ns (5%) + 51.2 ns (69%) + 302 ns (26%) obtained for Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg. The coincidence time resolution of 336 and 389 ps was obtained, respectively, for Y0.8Gd2.2Al2Ga3O12:Ce,Mg-photomultiplier (PMT) and Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg-PMT, in coincidence experiment with a BaF2-PMT detector. The radioluminescence yield at room temperature (RT) is comparable for both crystals while the yield below 130 K is about 20% higher for Y0.8Gd2.2Al2Ga3O12:Ce,Mg. Afterglow and thermally stimulated luminescence (TSL) below RT are also measured.

AB - Scintillation characteristics of Y0.8Gd2.2 (Al5-xGax)O12:Ce,Mg ($x = 2.6$ and 3) single crystals are presented. At 662-keV $\gamma $-rays, the light yield of 35 600 photons/MeV obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg is higher than that of 32 600 photons/MeV for Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg. Scintillation decay components of 32.3 ns (52.4%) + 104 ns (47.6%) obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg are faster than those of 11.5 ns (5%) + 51.2 ns (69%) + 302 ns (26%) obtained for Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg. The coincidence time resolution of 336 and 389 ps was obtained, respectively, for Y0.8Gd2.2Al2Ga3O12:Ce,Mg-photomultiplier (PMT) and Y0.8Gd2.2Al2.4Ga26O12:Ce,Mg-PMT, in coincidence experiment with a BaF2-PMT detector. The radioluminescence yield at room temperature (RT) is comparable for both crystals while the yield below 130 K is about 20% higher for Y0.8Gd2.2Al2Ga3O12:Ce,Mg. Afterglow and thermally stimulated luminescence (TSL) below RT are also measured.

KW - Coincidence time resolution (CTR)

KW - Mg

KW - YGAGG:Ceg

KW - light yield (LY)

KW - radioluminescence (RL)

KW - scintillation decays

KW - thermoluminescence

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U2 - 10.1109/TNS.2020.2975734

DO - 10.1109/TNS.2020.2975734

M3 - Article

AN - SCOPUS:85088122212

SN - 0018-9499

VL - 67

SP - 910

EP - 914

JO - IEEE Transactions on Nuclear Science

JF - IEEE Transactions on Nuclear Science

IS - 6

M1 - 9007479

ER -

Scintillation Characteristics of Mg²-Codoped Y_0.8Gd_2.2(Al_-Ga)O₁₂:Ce Single Crystals

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