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

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Central European Journal of Physics

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.

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Authors and Affiliations

  1. Division of Optoelectronics, Institute of Physics, Nicolaus Copernicus University, Grudziadzka 5, 87-100, Torun, Poland

    Kamil Brylew, Winicjusz Drozdowski & Marcin E. Witkowski

  2. Materials Research Laboratory, Furukawa Co. Ltd., 1-25-13 Kannondai, Tsukuba, Ibaraki, 305-0856, Japan

    Kei Kamada

  3. Institute of Multidisciplinary Research for Advanced Materials, Tokohu University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan

    Kei Kamada, Takayuki Yanagida & Akira Yoshikawa

Authors
  1. Kamil Brylew
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  2. Winicjusz Drozdowski
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  3. Marcin E. Witkowski
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  4. Kei Kamada
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  5. Takayuki Yanagida
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  6. Akira Yoshikawa
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Corresponding author

Correspondence to Kamil Brylew.

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Brylew, K., Drozdowski, W., Witkowski, M.E. et al. Effect of thermal annealing in air on scintillation properties of LuAG and LuAG:Pr. centr.eur.j.phys. 11, 138–142 (2013). https://doi.org/10.2478/s11534-012-0153-5

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  • DOI: https://doi.org/10.2478/s11534-012-0153-5

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