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Effective Distribution Coefficients of Cation Impurities in KDP Crystals

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Inorganic Materials Aims and scope

Abstract

The effective distribution coefficients К of 19 elements are measured in the {100} and {101} sectors of KDP single crystals grown from stoichiometric solutions. The results indicate that, at low impurity concentrations in the solution, К depends on the mechanism of the incorporation of cations (which form three types of defect centers in the structure of KDP) and their ionic radius. Increasing the concentrations of several divalent cations in solution may reduce their distribution coefficients because of the competition between the cations for interstitial sites in KDP.

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 117333, Russia

    E. P. Efremova & V. A. Kuznetsov

  2. Institute of Chemical Reagents and Special-Purity Substances, ul. Bogorodskii val 3, Moscow, 107076, Russia

    A. I. Sukhanovskaya

Authors
  1. E. P. Efremova
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  2. A. I. Sukhanovskaya
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  3. V. A. Kuznetsov
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Efremova, E.P., Sukhanovskaya, A.I. & Kuznetsov, V.A. Effective Distribution Coefficients of Cation Impurities in KDP Crystals. Inorganic Materials 40, 636–640 (2004). https://doi.org/10.1023/B:INMA.0000031999.11469.89

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  • DOI: https://doi.org/10.1023/B:INMA.0000031999.11469.89

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