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Microstructure of (Na0.5La0.5)MoO4 crystals coactivated with cerium and erbium ions

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Abstract

Crystals with the scheelite structure have been grown by the Czochralski technique from a melt of composition (Na0.5La0.345Ce0.15Er0.005)MoO4 (NLM:Ce,Er) and have been characterized by scanning and transmission electron microscopy and x-ray microanalysis. The crystals are shown to contain carbon inclusions and CeO2 precipitates, the latter oriented relative to the host matrix: [100]{0\(\bar 1\)2} NLM:Ce,Er ‖ [100]{0\(\bar 1\)1} CeO2. High-temperature annealing leads to recrystallization and growth of the CeO2 particles, which seems to be responsible for the adverse effect of annealing on the optical quality of the crystals.

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 119333, Russia

    E. I. Suvorova

  2. Lomonosov State Academy of Fine Chemical Technology, pr. Vernadskogo 86, Moscow, 119571, Russia

    G. M. Kuz’micheva & A. V. Morozkin

  3. Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125820, Russia

    E. V. Zharikov

  4. Prokhorov Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia

    D. A. Lis & K. A. Subbotin

Authors
  1. E. I. Suvorova
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  2. G. M. Kuz’micheva
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  3. A. V. Morozkin
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  4. E. V. Zharikov
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  5. D. A. Lis
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  6. K. A. Subbotin
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Original Russian Text © E.I. Suvorova, G.M. Kuz’micheva, A.V. Morozkin, E.V. Zharikov, D.A. Lis, K.A. Subbotin, 2007, published in Neorganicheskie Materialy, 2007, Vol. 43, No. 3, pp. 336–341.

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Suvorova, E.I., Kuz’micheva, G.M., Morozkin, A.V. et al. Microstructure of (Na0.5La0.5)MoO4 crystals coactivated with cerium and erbium ions. Inorg Mater 43, 287–291 (2007). https://doi.org/10.1134/S0020168507030144

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  • DOI: https://doi.org/10.1134/S0020168507030144

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