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Crystal structures of double calcium and alkali metal phosphates Ca10 M(PO4)7(M = Li, Na, K)

  • Structures of Inorganic Compounds
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Abstract

Crystal structures of double calcium and alkali metal phosphates described by the general formula Ca10 M(PO4)7(M = Li, Na, K) have been studied by the Rietveld method. The lattice parameters are a = 10.4203(1) and c = 37.389(1) Å (for M = Li), a = 10.4391(1) and c = 37.310(1) Å (for M = Na), and a = 10.4229(1) and c = 37.279(2) Å (for M = K); sp. gr. R3c, Z = 6. The specific features of the distribution of alkali metal cations over the structure positions are discussed.

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Authors and Affiliations

  1. Moscow State University, Vorob’evy gory, Moscow, 119899, Russia

    V. A. Morozov, A. A. Belik, R. N. Kotov, I. A. Presnyakov & B. I. Lazoryak

  2. Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    S. S. Khasanov

Authors
  1. V. A. Morozov
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  2. A. A. Belik
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  3. R. N. Kotov
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  4. I. A. Presnyakov
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  5. S. S. Khasanov
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  6. B. I. Lazoryak
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__________

Translated from Kristallografiya, Vol. 45, No. 1, 2000, pp. 19–26.

Original Russian Text Copyright © 2000 by Morozov, Belik, Kotov, Presnyakov, Khasanov, Lazoryak.

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Morozov, V.A., Belik, A.A., Kotov, R.N. et al. Crystal structures of double calcium and alkali metal phosphates Ca10 M(PO4)7(M = Li, Na, K). Crystallogr. Rep. 45, 13–20 (2000). https://doi.org/10.1134/1.171129

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  • DOI: https://doi.org/10.1134/1.171129

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