Alkali earth co-doping effects on luminescence and scintillation properties of Ce doped Gd3Al2Ga3O12 scintillator

Kei Kamada; Martin Nikl; Shunsuke Kurosawa; Alena Beitlerova; Aya Nagura; Yasuhiro Shoji; Jan Pejchal; Yuji Ohashi; Yuui Yokota; Akira Yoshikawa

doi:10.1016/j.optmat.2014.10.008

Alkali earth co-doping effects on luminescence and scintillation properties of Ce doped Gd₃Al₂Ga₃O₁₂ scintillator

Kei Kamada, Martin Nikl, Shunsuke Kurosawa, Alena Beitlerova, Aya Nagura, Yasuhiro Shoji, Jan Pejchal, Yuji Ohashi, Yuui Yokota, Akira Yoshikawa

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

91 Citations (Scopus)

Abstract

The Mg and Ca co-doped Ce:Gd₃Al₂Ga₃O₁₂ single crystals were prepared by micro pulling down method with a wide concentration range 0-1000 ppm of the codopants. Absorption and luminescence spectra were measured together with several other scintillation characteristics, namely the scintillation decay and light yield to reveal the effect of Mg and Ca co-doping. The scintillation decays were accelerated by both Mg and Ca codopants. Comparing to Ca co-doping, the Mg co-doped samples showed much faster decay and comparatively smaller light output decrease with increasing Mg dopant concentration.

Original language	English
Pages (from-to)	63-66
Number of pages	4
Journal	Optical Materials
Volume	41
DOIs	https://doi.org/10.1016/j.optmat.2014.10.008
Publication status	Published - 2015 Mar 1

Keywords

Garnet
Scintillator
Single crystal growth

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Computer Science(all)
Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Electrical and Electronic Engineering

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Alkali earth co-doping effects on luminescence and scintillation properties of Ce doped Gd₃Al₂Ga₃O₁₂ scintillator. / Kamada, Kei; Nikl, Martin; Kurosawa, Shunsuke; Beitlerova, Alena; Nagura, Aya; Shoji, Yasuhiro; Pejchal, Jan; Ohashi, Yuji ; Yokota, Yuui ; Yoshikawa, Akira.

In: Optical Materials, Vol. 41, 01.03.2015, p. 63-66.

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

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title = "Alkali earth co-doping effects on luminescence and scintillation properties of Ce doped Gd3Al2Ga3O12 scintillator",

abstract = "The Mg and Ca co-doped Ce:Gd3Al2Ga3O12 single crystals were prepared by micro pulling down method with a wide concentration range 0-1000 ppm of the codopants. Absorption and luminescence spectra were measured together with several other scintillation characteristics, namely the scintillation decay and light yield to reveal the effect of Mg and Ca co-doping. The scintillation decays were accelerated by both Mg and Ca codopants. Comparing to Ca co-doping, the Mg co-doped samples showed much faster decay and comparatively smaller light output decrease with increasing Mg dopant concentration.",

keywords = "Garnet, Scintillator, Single crystal growth",

author = "Kei Kamada and Martin Nikl and Shunsuke Kurosawa and Alena Beitlerova and Aya Nagura and Yasuhiro Shoji and Jan Pejchal and Yuji Ohashi and Yuui Yokota and Akira Yoshikawa",

note = "Funding Information: This work is partially supported by (i) the funding program for next generation world-leading researchers, Japan Society for the Promotion of Science (JSPS), (ii) Development of Systems and Technology for Advanced Measurement and Analysis, Japan Science and Technology Agency (JST) (iii) Adaptable & Seamless Technology Transfer Program through Target-driven R&D (A-STEP), JST (iv) JSPS Grant-in-Aid for Exploratory Research (A.Y), (v) JSPS Research Fellowships for Young Scientists (S.Kurosawa), (vi) the Health Labour Sciences Research Grant, The Ministry of Health Labour and Welfare and (vii) Czech MEYS KONTAKT Cz-jp collaboration LH14266 project, Crystal Clear Collaboration in CERN, and EC Marie Curie Initial Training Network LUMINET, no. 316906. In addition, we would like to thank following persons for their support: Mr. Yoshihiro Nakamura in Institute of Multidisciplinary Research for Advanced Materials (IMRAM), and Mr. Hiroshi Uemura, Ms. Keiko Toguchi, Ms. Megumi Sasaki and Ms. Yuka Takeda in IMR, Tohoku University. Publisher Copyright: {\textcopyright} 2014 Elsevier B.V. All rights reserved.",

year = "2015",

month = mar,

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doi = "10.1016/j.optmat.2014.10.008",

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T1 - Alkali earth co-doping effects on luminescence and scintillation properties of Ce doped Gd3Al2Ga3O12 scintillator

AU - Kamada, Kei

AU - Nikl, Martin

AU - Kurosawa, Shunsuke

AU - Beitlerova, Alena

AU - Nagura, Aya

AU - Shoji, Yasuhiro

AU - Pejchal, Jan

AU - Ohashi, Yuji

AU - Yokota, Yuui

AU - Yoshikawa, Akira

N1 - Funding Information: This work is partially supported by (i) the funding program for next generation world-leading researchers, Japan Society for the Promotion of Science (JSPS), (ii) Development of Systems and Technology for Advanced Measurement and Analysis, Japan Science and Technology Agency (JST) (iii) Adaptable & Seamless Technology Transfer Program through Target-driven R&D (A-STEP), JST (iv) JSPS Grant-in-Aid for Exploratory Research (A.Y), (v) JSPS Research Fellowships for Young Scientists (S.Kurosawa), (vi) the Health Labour Sciences Research Grant, The Ministry of Health Labour and Welfare and (vii) Czech MEYS KONTAKT Cz-jp collaboration LH14266 project, Crystal Clear Collaboration in CERN, and EC Marie Curie Initial Training Network LUMINET, no. 316906. In addition, we would like to thank following persons for their support: Mr. Yoshihiro Nakamura in Institute of Multidisciplinary Research for Advanced Materials (IMRAM), and Mr. Hiroshi Uemura, Ms. Keiko Toguchi, Ms. Megumi Sasaki and Ms. Yuka Takeda in IMR, Tohoku University. Publisher Copyright: © 2014 Elsevier B.V. All rights reserved.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - The Mg and Ca co-doped Ce:Gd3Al2Ga3O12 single crystals were prepared by micro pulling down method with a wide concentration range 0-1000 ppm of the codopants. Absorption and luminescence spectra were measured together with several other scintillation characteristics, namely the scintillation decay and light yield to reveal the effect of Mg and Ca co-doping. The scintillation decays were accelerated by both Mg and Ca codopants. Comparing to Ca co-doping, the Mg co-doped samples showed much faster decay and comparatively smaller light output decrease with increasing Mg dopant concentration.

AB - The Mg and Ca co-doped Ce:Gd3Al2Ga3O12 single crystals were prepared by micro pulling down method with a wide concentration range 0-1000 ppm of the codopants. Absorption and luminescence spectra were measured together with several other scintillation characteristics, namely the scintillation decay and light yield to reveal the effect of Mg and Ca co-doping. The scintillation decays were accelerated by both Mg and Ca codopants. Comparing to Ca co-doping, the Mg co-doped samples showed much faster decay and comparatively smaller light output decrease with increasing Mg dopant concentration.

KW - Garnet

KW - Scintillator

KW - Single crystal growth

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