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Study of Nanocrystalline BiMnO3--PbTiO3: Synthesis, Structural Elucidation, and Magnetic Characterization of the Whole Solid Solution

Authors

  • Dr. Teresa Hungría,

    Corresponding author
    1. Electroceramics for the Information Technologies, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid (Spain), Fax: (+34) 913720623
    • Electroceramics for the Information Technologies, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid (Spain), Fax: (+34) 913720623
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  • Covadonga Correas,

    1. Electroceramics for the Information Technologies, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid (Spain), Fax: (+34) 913720623
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  • Dr. Florent Houdellier,

    1. Centre d'Elaboration de Matériaux et d'Etudes Structurales (CEMES) CNRS, 29 Jeanne Marvig, 31055 Toulouse (France)
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  • Dr. Octavio Peña,

    1. Institut des Sciences Chimiques de Rennes, UMR 6226, Université de Rennes 1, 35042 Rennes (France)
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  • Dr. Eladio Vila,

    1. Electroceramics for the Information Technologies, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid (Spain), Fax: (+34) 913720623
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  • Prof. Dr. Alicia Castro

    1. Electroceramics for the Information Technologies, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid (Spain), Fax: (+34) 913720623
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Abstract

In the last ten years, the study and the search for new multiferroic materials have been a major challenge due to their potential applications in electronic technology. In this way, bismuth-containing perovskites (BiMO3), and particularly those in which the metal M position is occupied by a magnetically active cation, have been extensively investigated as possible multiferroic materials. From the point of view of synthesis, only a few of the possible bismuth-containing perovskites can be prepared by conventional methods but at high pressures. Herein, the preparation of one of these potential multiferroic systems, the solid solution xBiMnO3-(1−x)PbTiO3 by mechanosynthesis is reported. Note that this synthetic method allows the oxides with high x values, and more particularly the BiMnO3 phase, to be obtained as nanocrystalline phases, in a single step and at room temperature without the application of external pressure. These results confirm that, in the case of Bi perovskites, mechanosynthesis is a good alternative to high-pressure synthesis. These materials have been studied from the point of view of their structural characteristics by precession electron diffraction and magnetic property measurements.

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