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Nanostructured crystals of fluorite phases Sr1−x R x F2+x and their ordering: VIII. Imperfect crystal structure of Sr0.71Ce0.29F2.29

  • Structure of Inorganic Compounds
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Abstract

A congruently melting single crystal of nonstoichiometric phase Sr0.71Ce0.29F2.29 crystallizing into the CaF2 structural type (sp. gr Fm \(\bar 3\) m) has been studied by X-ray diffraction analysis. Vacancies in the main fluorine position 8c and interstitial anions in two 32f positions have been found. The ratio of the structural defects in the Sr0.71Ce0.29F2.29 solid solution corresponds to the tetrahedral configuration of the defect cluster {Sr4 − n Ce n F26}.

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Authors and Affiliations

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

    E. A. Sulyanova, D. N. Karimov & B. P. Sobolev

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  1. E. A. Sulyanova
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  2. D. N. Karimov
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  3. B. P. Sobolev
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Correspondence to E. A. Sulyanova.

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Original Russian Text © E.A. Sulyanova, D.N. Karimov, B.P. Sobolev, 2013, published in Kristallografiya, 2013, Vol. 58, No. 5, pp. 667–670.

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Sulyanova, E.A., Karimov, D.N. & Sobolev, B.P. Nanostructured crystals of fluorite phases Sr1−x R x F2+x and their ordering: VIII. Imperfect crystal structure of Sr0.71Ce0.29F2.29 . Crystallogr. Rep. 58, 678–681 (2013). https://doi.org/10.1134/S1063774513040202

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  • DOI: https://doi.org/10.1134/S1063774513040202

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