A Series of Novel Mixed Valent Ferrimagnetic Oxides with a T_{C} up to 270 K: Ca_{1−x}Y_{x}BaFe₄O₇

B. Raveau; V. Caignaert; V. Pralong; D. Pelloquin; A. Maignan

doi:10.1021/cm8018692

journal article·2008-10-28

A Series of Novel Mixed Valent Ferrimagnetic Oxides with a T_C up to 270 K: Ca_1−xY_xBaFe₄O₇

B. Raveau, V. Caignaert, V. Pralong, D. Pelloquin, A. Maignan

Chemistry of Materials· Volume 20· Issue 20

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Source abstract

Abstract

The new series of iron oxides Ca1−xYxFe4O7, with the mixed valence Fe(II)−Fe(III) and a tetrahedral coordination of iron is isotypic to YBaCo4O7. Their structure is also closely related to that of Fe3O4. Like the latter, they are ferrimagnetic, with a TC up to 270 K, suggesting a complex magnetic structure.

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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Magnetic Properties and Synthesis of Ferrites · Multiferroics and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratoire CRISMAT, UMR6508, ENSICAEN/CNRS, 6 Boulevard du Maréchal Juin, 14050 Caen Cedex 4, France

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