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Synthesis and electrical conductivity of crystalline and glassy alloys in the Ag3GeS3Br-GeS2 system

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Abstract

We have studied the formation of crystalline and glassy alloys in the Ag3GeS3Br-GeS2 system (0–52 mol % GeS2; Ag3GeS3Br is a glass-forming phase of variable composition) and determined the crystallographic parameters of the Ag3.179(9)Ge1.474(5)S4Br alloy as the saturated solid solution of GeS2 in Ag3GeS3Br: sp. gr. P213, a = 10.16572(3) Å, Z = 4. The electrical conductivity of the crystalline and glassy alloys was measured in the temperature range 250–410 K by a dc probe technique. The current carriers in the alloys are silver cations and halogen anions. We obtained materials with superionic conductivity and proposed a model for conduction in the alloys.

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Authors and Affiliations

  1. National University of Water Management and Natural Resources Use, Soborna ul. 11, Rivne, 33028, Ukraine

    M. V. Moroz

  2. Ivan Franko National University, ul. Kirila i Mefodiya 8, Lviv, 79005, Ukraine

    P. Yu. Demchenko, O. G. Mykolaychuk, L. G. Akselrud & R. E. Gladyshevskii

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  1. M. V. Moroz
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  2. P. Yu. Demchenko
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  3. O. G. Mykolaychuk
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  4. L. G. Akselrud
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  5. R. E. Gladyshevskii
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Correspondence to M. V. Moroz.

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Original Russian Text © M.V. Moroz, P.Yu. Demchenko, O.G. Mykolaychuk, L.G. Akselrud, R.E. Gladyshevskii, 2013, published in Neorganicheskie Materialy, 2013, Vol. 49, No. 9, pp. 931–936.

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Moroz, M.V., Demchenko, P.Y., Mykolaychuk, O.G. et al. Synthesis and electrical conductivity of crystalline and glassy alloys in the Ag3GeS3Br-GeS2 system. Inorg Mater 49, 867–871 (2013). https://doi.org/10.1134/S0020168513090100

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  • DOI: https://doi.org/10.1134/S0020168513090100

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