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Growth of LGSO: Ce crystals by the Czochralski method

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Abstract

Single crystals of Lu2x Gd2 − 2x SiO5: Ce (0 < x < 1) compounds with different atomic ratios Lu/(Lu + Gd) have been grown by the Czochralski method. It has been shown that a change in the spatial symmetry from P21/c to C2/c in the course of substitution of lutetium for gadolinium occurs at the ratio Lu/(Lu + Gd) = 0.1. The lattice thus formed with symmetry C2/c in the structure of Lu2x Gd2 − 2x SiO5: Ce crystals favors the maximum possible incorporation of Ce3+ ions into the sevenfold-coordinated position with respect to oxygen. This explains the substantial improvement of the scintillation characteristics of the grown crystals.

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Authors and Affiliations

  1. Institute for Scintillation Materials, National Academy of Sciences of Ukraine, pr. Lenina 60, Kharkiv, 61001, Ukraine

    O. Ts. Sidletskiy, V. G. Bondar, B. V. Grynyov, D. A. Kurtsev, S. A. Tkachenko, O. V. Zelenskaya, N. G. Starzhinsky & V. A. Tarasov

  2. Scientific and Technological Corporation “Institute for Single Crystals”, National Academy of Sciences of Ukraine, pr. Lenina 60, Kharkiv, 61001, Ukraine

    V. N. Baumer, K. N. Belikov & Z. V. Shtitelman

Authors
  1. O. Ts. Sidletskiy
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  2. V. G. Bondar
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  3. B. V. Grynyov
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  4. D. A. Kurtsev
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  5. V. N. Baumer
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  6. K. N. Belikov
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  7. Z. V. Shtitelman
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  8. S. A. Tkachenko
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  9. O. V. Zelenskaya
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  10. N. G. Starzhinsky
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  11. V. A. Tarasov
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Corresponding author

Correspondence to V. G. Bondar.

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Sidletskiy, O.T., Bondar, V.G., Grynyov, B.V. et al. Growth of LGSO: Ce crystals by the Czochralski method. Crystallogr. Rep. 54, 1256–1260 (2009). https://doi.org/10.1134/S1063774509070207

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  • DOI: https://doi.org/10.1134/S1063774509070207

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