Optical and scintillation characteristics of Gd2YAl2Ga3O12:Ce and Lu2YAl2Ga3O12:Ce single crystals

Warut Chewpraditkul; Ongsa Sakthong; Nakarin Pattanaboonmee; Weerapong Chewpraditkul; Tomasz Szczesniak; Lukasz Swiderski; Marek Moszynski; Kei Kamada; Akira Yoshikawa; Martin Nikl

doi:10.1016/j.jcrysgro.2016.10.086

Optical and scintillation characteristics of Gd₂YAl₂Ga₃O₁₂:Ce and Lu₂YAl₂Ga₃O₁₂:Ce single crystals

Warut Chewpraditkul, Ongsa Sakthong, Nakarin Pattanaboonmee, Weerapong Chewpraditkul, Tomasz Szczesniak, Lukasz Swiderski, Marek Moszynski, Kei Kamada, Akira Yoshikawa, Martin Nikl

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The optical and scintillation characteristics of Gd₂YAl₂Ga₃O₁₂:Ce and Lu₂YAl₂Ga₃O₁₂:Ce single crystals are investigated. At 662 keV γ-rays, light yield (LY) of 37,900 ph/MeV and energy resolution of 7.0% obtained for Gd₂YAl₂Ga₃O₁₂:Ce are superior to those of 18,900 ph/MeV and 11.5% obtained for Lu₂YAl₂Ga₃O₁₂:Ce. Scintillation decays are measured using the time-correlated single photon counting technique. A fast component decay time of 45 ns with relative intensity of 88% obtained for Lu₂YAl₂Ga₃O₁₂:Ce is superior to that of 50 ns (65%) for Gd₂YAl₂Ga₃O₁₂:Ce. The linear attenuation coefficient at 662 keV γ-rays is also determined and discussed.

Original language	English
Pages (from-to)	395-398
Number of pages	4
Journal	Journal of Crystal Growth
Volume	468
DOIs	https://doi.org/10.1016/j.jcrysgro.2016.10.086
Publication status	Published - 2017 Jun 15

Keywords

Ce-doping
Czochralski method
GdYAlGaO:Ce
LuYAlGaO:Ce
Luminescence
Scintillator materials

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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Optical and scintillation characteristics of Gd₂YAl₂Ga₃O₁₂:Ce and Lu₂YAl₂Ga₃O₁₂:Ce single crystals. / Chewpraditkul, Warut; Sakthong, Ongsa; Pattanaboonmee, Nakarin; Chewpraditkul, Weerapong; Szczesniak, Tomasz; Swiderski, Lukasz; Moszynski, Marek; Kamada, Kei ; Yoshikawa, Akira; Nikl, Martin.

In: Journal of Crystal Growth, Vol. 468, 15.06.2017, p. 395-398.

Research output: Contribution to journal › Article › peer-review

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title = "Optical and scintillation characteristics of Gd2YAl2Ga3O12:Ce and Lu2YAl2Ga3O12:Ce single crystals",

abstract = "The optical and scintillation characteristics of Gd2YAl2Ga3O12:Ce and Lu2YAl2Ga3O12:Ce single crystals are investigated. At 662 keV γ-rays, light yield (LY) of 37,900 ph/MeV and energy resolution of 7.0% obtained for Gd2YAl2Ga3O12:Ce are superior to those of 18,900 ph/MeV and 11.5% obtained for Lu2YAl2Ga3O12:Ce. Scintillation decays are measured using the time-correlated single photon counting technique. A fast component decay time of 45 ns with relative intensity of 88% obtained for Lu2YAl2Ga3O12:Ce is superior to that of 50 ns (65%) for Gd2YAl2Ga3O12:Ce. The linear attenuation coefficient at 662 keV γ-rays is also determined and discussed.",

keywords = "Ce-doping, Czochralski method, GdYAlGaO:Ce, LuYAlGaO:Ce, Luminescence, Scintillator materials",

author = "Warut Chewpraditkul and Ongsa Sakthong and Nakarin Pattanaboonmee and Weerapong Chewpraditkul and Tomasz Szczesniak and Lukasz Swiderski and Marek Moszynski and Kei Kamada and Akira Yoshikawa and Martin Nikl",

note = "Funding Information: This work is partially supported by the National Research Council of Thailand (NRCT project no. 2559A30602099). The funding program for next generation world-leading researchers JSPS and financial support of Czech science foundation (no. 16-15569S project) are also gratefully acknowledged.",

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doi = "10.1016/j.jcrysgro.2016.10.086",

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T1 - Optical and scintillation characteristics of Gd2YAl2Ga3O12:Ce and Lu2YAl2Ga3O12:Ce single crystals

AU - Chewpraditkul, Warut

AU - Sakthong, Ongsa

AU - Pattanaboonmee, Nakarin

AU - Chewpraditkul, Weerapong

AU - Szczesniak, Tomasz

AU - Swiderski, Lukasz

AU - Moszynski, Marek

AU - Kamada, Kei

AU - Yoshikawa, Akira

AU - Nikl, Martin

N1 - Funding Information: This work is partially supported by the National Research Council of Thailand (NRCT project no. 2559A30602099). The funding program for next generation world-leading researchers JSPS and financial support of Czech science foundation (no. 16-15569S project) are also gratefully acknowledged.

PY - 2017/6/15

Y1 - 2017/6/15

N2 - The optical and scintillation characteristics of Gd2YAl2Ga3O12:Ce and Lu2YAl2Ga3O12:Ce single crystals are investigated. At 662 keV γ-rays, light yield (LY) of 37,900 ph/MeV and energy resolution of 7.0% obtained for Gd2YAl2Ga3O12:Ce are superior to those of 18,900 ph/MeV and 11.5% obtained for Lu2YAl2Ga3O12:Ce. Scintillation decays are measured using the time-correlated single photon counting technique. A fast component decay time of 45 ns with relative intensity of 88% obtained for Lu2YAl2Ga3O12:Ce is superior to that of 50 ns (65%) for Gd2YAl2Ga3O12:Ce. The linear attenuation coefficient at 662 keV γ-rays is also determined and discussed.

AB - The optical and scintillation characteristics of Gd2YAl2Ga3O12:Ce and Lu2YAl2Ga3O12:Ce single crystals are investigated. At 662 keV γ-rays, light yield (LY) of 37,900 ph/MeV and energy resolution of 7.0% obtained for Gd2YAl2Ga3O12:Ce are superior to those of 18,900 ph/MeV and 11.5% obtained for Lu2YAl2Ga3O12:Ce. Scintillation decays are measured using the time-correlated single photon counting technique. A fast component decay time of 45 ns with relative intensity of 88% obtained for Lu2YAl2Ga3O12:Ce is superior to that of 50 ns (65%) for Gd2YAl2Ga3O12:Ce. The linear attenuation coefficient at 662 keV γ-rays is also determined and discussed.

KW - Ce-doping

KW - Czochralski method

KW - GdYAlGaO:Ce

KW - LuYAlGaO:Ce

KW - Luminescence

KW - Scintillator materials

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