Spin-Induced Multiferroic Behavior in Centrosymmetric Mn3WO6

Maignan, Antoine; Peng, Wei; Komarek, A. C.; Kuo, Chang-Yang; Chang, Chun-Fu; Wang, Xiao; Hu, Zhiwei; Chen , Chien-Te; Tanaka, Arata; Tjeng, Liu Hao; Lebedev I, Oleg; Martin, Christine

doi:10.1021/acs.chemmater.0c01303

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Spin-Induced Multiferroic Behavior in Centrosymmetric Mn₃WO₆

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Peng, Wei
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126701

Komarek, A. C.
Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Kuo, Chang-Yang
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Chang, Chun-Fu
Chun-Fu Chang, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Wang, Xiao
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Hu, Zhiwei
Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126881

Tjeng, Liu Hao
Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Maignan, A., Peng, W., Komarek, A. C., Kuo, C.-Y., Chang, C.-F., Wang, X., et al. (2020). Spin-Induced Multiferroic Behavior in Centrosymmetric Mn₃WO₆. Chemistry of Materials, 32(13), 5664-5669. doi:10.1021/acs.chemmater.0c01303.

Cite as: https://hdl.handle.net/21.11116/0000-0006-D25A-8

Abstract

The Mn3WO6 oxide, prepared by a solid-state reaction at ambient pressure, is found to crystallize at room temperature in the centrosymmetric R3 trigonal structure of Mg3TeO6. By X-ray absorption spectroscopy (XAS) at the Mn-L-2,L-3 edges, a divalent oxidation state for manganese is established, consistent with W6+ and O2-, which fits with the value extracted from analyzing the paramagnetic regime. Interestingly, anomalies in dielectric and pyroelectric measurements can be observed concomitant with the antiferromagnetic transition at T-N approximate to 25 K. The corresponding electrical polarization, P = +/- 15 mu C m(-2) below TN, can be inverted by opposite poling, which confirms that Mn3WO6 is a spin-induced multiferroic (MF) material.