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Synthesis of a new magnetic Y2Mn2/3Re4/3O7 with pyrochlore-like structure

  • Condensed Matter
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Abstract

A complex oxide of the Y2Mn2/3Re4/3O7 composition with pyrochlore-like structure and parameters of hexagonal unit cell a=14.91(1) Å c=17.53(1) Å was synthesized. The magnetic susceptibility and magnetization measurements showed that below 190 K this oxide possesses spontaneous magnetic moment. In the paramegnetic region, the magnetic susceptibility obeys the Curie-Weiss law χ=C/(T−Θ), with C=2.07 cm3 K mol−1 and Θ=−160 K, and the effective magnetic moment corresponding to the cationic combination Mn2+-Re5+. The data obtained allow one to assume that the compound has a noncollinear antiferromagnetic structure.

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Authors and Affiliations

  1. Institute of Solid-State Chemistry, Ural Division, Russian Academy of Sciences, ul. Pervomaiskaya 91, Yekaterinburg, 620219, Russia

    G. V. Bazuev, T. I. Chupakhina & V. N. Krasil’nikov

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  1. G. V. Bazuev
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  2. T. I. Chupakhina
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  3. V. N. Krasil’nikov
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 74, No. 7, 2001, pp. 440–442.

Original Russian Text Copyright © 2001 by Bazuev, Chupakhina, Krasil’nikov.

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Bazuev, G.V., Chupakhina, T.I. & Krasil’nikov, V.N. Synthesis of a new magnetic Y2Mn2/3Re4/3O7 with pyrochlore-like structure. Jetp Lett. 74, 401–403 (2001). https://doi.org/10.1134/1.1427131

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  • DOI: https://doi.org/10.1134/1.1427131

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