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00925njm 22002777a 4500 dc Villafuerte-Castrejón, Maria Elena author García-Guaderrama, Marco author Fuentes, Lelia author Prado Gonjal, Jesús de la Paz author González Fuente, Ana María author de la Rubia, Maria Angeles author García-Hernández, Maite author Morán, Eduardo author 2011 In this work, the sol–gel synthesis, structural characterization, and transport properties of a new solid solution of the general formula LaxBi1–xFe0.5Cr0.5O3 (0.4 ≤ x ≤ 1) are presented. The solubility limit x has been determined and variation of the lattice parameters measured through profile fitting. The cell parameters, space group, and atomic positions, as obtained by the Rietveld refinement of X-ray diffraction data, are reported. This analysis and electron diffraction studies as well do not reveal any evidence of Fe/Cr ordering. Regarding the transport properties, magnetic and electric characterizations are described. The electrical response with the temperature and frequency has been studied, and a “positive temperature coefficient” for the resistivity has been found for temperatures between 270 and 400 °C. The magnetic behavior is striking because, for all materials studied, zero-field-cooling curves appear above field-cooling ones, an anomalous feature that is interpreted as being due to complex ferromagnetic/antiferromagnetic interactions in the B perovskite sublattice. M. E. Villafuerte-Castrejón, M. García-Guaderrama, L. Fuentes, J. Prado-Gonjal, A. M. González, M. Á. de la Rubia, M. García-Hernández, and E. Morán Inorganic Chemistry 2011 50 (17), 8340-8347 DOI: 10.1021/ic2008864 0020-1669 10.1021/ic2008864 https://hdl.handle.net/20.500.14352/94020 1520-510X https://doi.org/10.1021/ic2008864 New Fe3+/ Cr3+ Perovskites with Anomalous Transport Properties: The Solid Solution LaxBi1–xFe0.5Cr0.5O3 (0.4 ≤ x ≤ 1)