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Synthesis and structure of bilayered manganites based on Ca3Mn2O7 with the simultaneous substitution of calcium by lanthanum and strontium

  • Synthesis and Properties of Inorganic Compounds
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Abstract

A tetragonal (space group I4/mmm) solid solution La2-2x (Ca1-y Sry)1 + 2x Mn2O7 based on the Raddlesden-Popper phase (n = 2), which is formed by the simultaneous substitution of calcium in Ca3Mn2O7 by strontium and lanthanum, is synthesized by high-temperature annealing of La2O3, Mn2O3, CaCO3, and SrCO3 mixtures (1500°C, air). The concentration area of the solid solution in the scheme is a pentagon, whose corners correspond to the manganites Ca3Mn2O7, Ca0.75Sr2.25Mn2O7, La0.2Sr2.8Mn2O7, La1.6Sr1.4Mn2O7, and LaCa2Mn2O7.

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Petukhov, S.L., Vladimirova, E.V., Slobodin, B.V. et al. Synthesis and structure of bilayered manganites based on Ca3Mn2O7 with the simultaneous substitution of calcium by lanthanum and strontium. Russ. J. Inorg. Chem. 51, 23–26 (2006). https://doi.org/10.1134/S0036023606010049

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  • DOI: https://doi.org/10.1134/S0036023606010049

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