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Synthesis and properties of Ca1 − x TiSi1 − x Fe2x O5 solid solutions

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Abstract

We have studied the CaTiSiO5-Fe2TiO5 system. Ca1 − x TiSi1 − x Fe2x O5 solid solutions were prepared by low-temperature plasma synthesis in a hydrogen-oxygen flame. The CaTiSiO5-Fe2TiO5 system contains two phases of variable composition: α (monoclinic structure) and β (orthorhombic structure). We have determined the homogeneity ranges, unit-cell parameters, and electrical parameters of the synthesized solid solutions. The Ca and Si in CaTiSiO5 can be replaced by Fe3+. Fe3+ substitution increases the conductivity of the material by up to five orders of magnitude.

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Authors and Affiliations

  1. Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Institutskaya ul. 8, Chernogolovka, Noginskii raion, Moscow oblast, 142432, Russia

    R. A. Grigoryan

  2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Noginskii raion, Moscow oblast, 142432, Russia

    L. A. Grigoryan

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  1. R. A. Grigoryan
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  2. L. A. Grigoryan
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Correspondence to R. A. Grigoryan.

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Original Russian Text © R.A. Grigoryan, L.A. Grigoryan, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 4, pp. 473–476.

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Grigoryan, R.A., Grigoryan, L.A. Synthesis and properties of Ca1 − x TiSi1 − x Fe2x O5 solid solutions. Inorg Mater 47, 417–419 (2011). https://doi.org/10.1134/S0020168511040121

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  • DOI: https://doi.org/10.1134/S0020168511040121

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