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Synthesis, structure, and magnetic properties of Sr0.8Ce0.2Mn1 − y Co y O3 − δ (y = 0.3, 0.4)

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Abstract

We report the synthesis of Sr0.8Ce0.2Mn1 − y Co y O3 − δ (y = 0.3, 0.4) solid solutions, which have a tetragonal perovskite structure (sp. gr. I4/mcm) with unit-cell parameters a = 0.53998(1) nm, c = 0.76404(1) nm, and V = 0.22273(4) nm3 at y = 0.3 and a = 0.54054(6) nm, c = 0.7644(6) nm, and V = 0.22335(4) nm3 at y = 0.4. The presence of cobalt in the octahedral sites of the Sr0.8Ce0.2Mn1 − y CoyO3 − δ (y = 0.3, 0.4) solid solutions reduces their antiferromagnetic ordering temperature and induces a transition to a spin glass state.

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Authors and Affiliations

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

    T. I. Chupakhina & G. V. Bazuev

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  1. T. I. Chupakhina
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  2. G. V. Bazuev
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Correspondence to T. I. Chupakhina.

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Original Russian Text © T.I. Chupakhina, G.V. Bazuev, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 12, pp. 1491–1496.

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Chupakhina, T.I., Bazuev, G.V. Synthesis, structure, and magnetic properties of Sr0.8Ce0.2Mn1 − y Co y O3 − δ (y = 0.3, 0.4). Inorg Mater 47, 1361–1366 (2011). https://doi.org/10.1134/S0020168511120028

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  • DOI: https://doi.org/10.1134/S0020168511120028

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