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Open Physics

formerly Central European Journal of Physics

Editor-in-Chief: Seidel, Sally

Managing Editor: Lesna-Szreter, Paulina

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2391-5471
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Volume 11, Issue 1

Issues

Volume 13 (2015)

Effect of thermal annealing in air on scintillation properties of LuAG and LuAG:Pr

Kamil Brylew
  • Division of Optoelectronics, Institute of Physics, Nicolaus Copernicus University, Grudziadzka 5, 87-100, Torun, Poland
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/ Winicjusz Drozdowski
  • Division of Optoelectronics, Institute of Physics, Nicolaus Copernicus University, Grudziadzka 5, 87-100, Torun, Poland
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/ Marcin Witkowski
  • Division of Optoelectronics, Institute of Physics, Nicolaus Copernicus University, Grudziadzka 5, 87-100, Torun, Poland
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/ Kei Kamada
  • Materials Research Laboratory, Furukawa Co. Ltd., 1-25-13 Kannondai, Tsukuba, Ibaraki, 305-0856, Japan
  • Institute of Multidisciplinary Research for Advanced Materials, Tokohu University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan
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/ Takayuki Yanagida
  • Institute of Multidisciplinary Research for Advanced Materials, Tokohu University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan
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/ Akira Yoshikawa
  • Institute of Multidisciplinary Research for Advanced Materials, Tokohu University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan
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Published Online: 2013-01-15 | DOI: https://doi.org/10.2478/s11534-012-0153-5

Abstract

Pure and Pr-activated Lu3Al5O12 (LuAG) crystals have been grown by the Czochralski method. In order to improve the scintillation properties, several samples have been annealed in air. Various annealing temperatures and periods of time have been tested to determine optimal conditions in the way of scintillation yield and energy resolution enhancement. The largest increase of yield of LuAG:Pr (17%), accompanied by a distinct decrease of resolution, has been observed after annealing at 1100°C for 48 h. On the contrary, in case of undoped LuAG no significant changes following thermal annealing have been noticed.

Keywords: LuAG; praseodymium; scintillator; thermal annealing; Czochralski method

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About the article

Published Online: 2013-01-15

Published in Print: 2013-01-01


Citation Information: Open Physics, Volume 11, Issue 1, Pages 138–142, ISSN (Online) 2391-5471, DOI: https://doi.org/10.2478/s11534-012-0153-5.

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© 2012 Versita Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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[1]
Winicjusz Drozdowski, Kamil Brylew, Andrzej J. Wojtowicz, Jarosław Kisielewski, Marek Świrkowicz, Tadeusz Łukasiewicz, Johan T.M. de Haas, and Pieter Dorenbos
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