Descripción
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Multiferroic materials exhibit two or more ferroic orders and have potential applications as multifunctional materials in the electronics industry. A coupling of ferroelectricity and ferromagnetism is hereby particularly promising. We show that the synthetic melanostibite mineral Mn2FeSbO6 (R (3) over bar space group) with ilmenite-type structure exhibits cation off-centering that results in alternating modulated displacements, thus allowing antiferroelectricity to occur. Massive magnetoelectric coupling ( MEC) and magnetocapacitance effect of up to 4000% was detected at a record high temperature of 260 K. The multiferroic behavior is based on the imbalance of cationic displacements caused by a magnetostrictive mechanism, which sets up an unprecedented example to pave the way for the development of highly effective MEC devices operational at or near room temperature. | |
Internacional
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Si |
JCR del ISI
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Si |
Título de la revista
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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION |
ISSN
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1433-7851 |
Factor de impacto JCR
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11,994 |
Información de impacto
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CHEMISTRY, MULTIDISCIPLINARY 13 de 166 Q1 |
Volumen
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56 |
DOI
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10.1002/anie.201609762 |
Número de revista
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Desde la página
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4438 |
Hasta la página
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4442 |
Mes
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ABRIL |
Ranking
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Categoría de JCR ® Clasificación en la categoría Cuartil en la categoría CHEMISTRY, MULTIDISCIPLINARY 13 de 166 Q1 |