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Effect of high-pressure high-temperature processing on the phase composition of Mn2−x Cr x Sb (0 ≤ x ≤ 1) alloys

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Abstract

High-pressure high-temperature processing (p = 7 GPa, T = 2300 K) has been shown to alter the phase composition of Mn2−x Cr x Sb alloys, resulting in a two-phase state: Mn3Sb (sp. gr. Pm3m, no. 221) and a hexagonal phase of variable composition (sp. gr. P63/mmc, no. 194). With increasing chromium concentration, the content of the hexagonal phase increases, while that of the cubic phase drops. In addition, the occupancy of the bipyramidal interstitial sites in the hexagonal phase increases, reaching a maximum in the single-phase alloy MnCrSb (Ni2In structure).

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Authors and Affiliations

  1. Joint Institute of Solid-State and Semiconductor Physics, Belarussian Academy of Sciences, ul. Brovki 17, Minsk, 220072, Belarus

    V. M. Ryzhkovskii & V. S. Goncharov

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  1. V. M. Ryzhkovskii
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  2. V. S. Goncharov
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Original Russian Text © V.M. Ryzhkovskii, V.S. Goncharov, 2007, published in Neorganicheskie Materialy, 2007, Vol. 43, No. 5, pp. 551–555.

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Ryzhkovskii, V.M., Goncharov, V.S. Effect of high-pressure high-temperature processing on the phase composition of Mn2−x Cr x Sb (0 ≤ x ≤ 1) alloys. Inorg Mater 43, 480–484 (2007). https://doi.org/10.1134/S002016850705007X

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  • DOI: https://doi.org/10.1134/S002016850705007X

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