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Association reactions between Ni2+ ions and vacancies in NaCl crystals

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Czechoslovak Journal of Physics B Aims and scope

Abstract

The association of Ni2+ cations with cation vacancies was followed by measuring the electric conductivity of NaCl: NiCl2 crystals. It was found that this association reaction may be described over the whole temperature range of 20 to 620 ‡C by a simple Stasiw-Teltow model with an association enthalpy of 0·62 eV and association entropy of 6·3 k. The precipitation effects in crystals were negligible above the room temperature up to the Ni2+ concentration of 100 ppm.

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Authors and Affiliations

  1. Institute of Physics, Slovak Acad. Sci., Bratislava, DÚbravska cesta, 899 30, Bratislava, Czechoslovakia

    V. Trnovcová & E. Mariani

  2. Institute of Solid State Physics, Czechosl. Acad. Sci., Prague, Cukrovarnická 10, 162 53, Praha 6, Czechoslovakia

    K. Polák

Authors
  1. V. Trnovcová
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  2. E. Mariani
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  3. K. Polák
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Trnovcová, V., Mariani, E. & Polák, K. Association reactions between Ni2+ ions and vacancies in NaCl crystals. Czech J Phys 24, 765–773 (1974). https://doi.org/10.1007/BF01795711

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  • DOI: https://doi.org/10.1007/BF01795711

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