Person:
Sánchez Benítez, Francisco Javier

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First Name
Francisco Javier
Last Name
Sánchez Benítez
URI
https://hdl.handle.net/20.500.14352/76240
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Químicas
Department
Química Física
Area
Química Física
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Author: Andrada-Chacón, Adrián × Subject: 546 ×

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    Large magnetoelectric coupling near room temperature in synthetic Melanostibite Mn2FeSbO6
    (Angewandte Chemie: International Edition, 2017) Dos Santos García, Antonio Juan; Solana Madruga, Elena; Ritter, Clemens; Sáez Puche, Regino; Andrada-Chacón, Adrián; Sánchez Benítez, Francisco Javier; Mompean, Federico ; Garcia-Hernandez, Mar; Schmidt, Rainer
    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 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.