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oai:docta.ucm.es:20.500.14352/940532025-03-18T15:01:16Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense author Gutiérrez Seijas, Julia author Prado Gonjal, Jesús de la Paz author Ávila Brande, David author Terry, Ian author Morán Miguélez, Emilio author Schmidt, Rainer 2024-01-19T12:43:59Z 2024-01-19T12:43:59Z 2016 Microwave-Assisted Synthesis, Microstructure, and Magnetic Properties of Rare-Earth Cobaltites Julia Gutiérrez Seijas, Jesús Prado-Gonjal, David Ávila Brande, Ian Terry, Emilio Morán, and Rainer Schmidt Inorganic Chemistry 2017 56 (1), 627-633 DOI: 10.1021/acs.inorgchem.6b02557 0020-1669 10.1021/acs.inorgchem.6b02557 https://hdl.handle.net/20.500.14352/94053 1520-510X https://doi.org/10.1021/acs.inorgchem.6b02557 The series of perovskite rare-earth (RE) doped cobaltites (RE)CoO3 (RE = La–Dy) was prepared by microwave-assisted synthesis. The crystal structure undergoes a change of symmetry depending on the size of the RE cation. LaCoO3 is rhombohedral, S.G. R3̅c (No. 167), while, for the rest of the RE series (Pr–Dy), the symmetry is orthorhombic, S.G. Pnma (No. 62). The crystal structure obtained by X-ray diffraction was confirmed by high-resolution transmission electron microscopy, which yielded a good match between experimental and simulated images. It is further shown that the well-known magnetism in LaCoO3, which involves a thermally induced Co3+ (d6) low spin to intermediate or high spin state transition, is strongly modified by the RE cation, and a rich variety of magnetic order has been detected across the series. eng Microwave-Assisted Synthesis, Microstructure, and Magnetic Properties of Rare-Earth Cobaltites journal article 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