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Spin-reorientation-induced magnetodielectric coupling effects in two layered perovskite magnets

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Abstract

Spin-reorientation-induced magnetodielectric coupling effects were discovered in two layered perovskite magnets, [C6H5CH2CH2NH3]2[MCl4] (M = Mn2+ and Cu2+), via isothermal magnetodielectric measurements on single-crystal samples. Specifically, peak-like dielectric anomalies and spin-flop transitions appeared simultaneously at around ±34 kOe for the canted antiferromagnet (M = Mn2+) at below 44.3 K, while a low-field (1 kOe) controlled magnetodielectric effect was observed in the “soft” ferromagnet (M = Cu2+) at below 9.5 K. These isothermal magnetodielectric effects are highly reproducible and synchronous with the field-induced magnetization at different temperatures, well confirming the essential role of spin reorientation on inducing magnetodielectric coupling effects. These findings strongly imply that the layered perovskite magnets are new promising organic–inorganic hybrid systems to host magnetodielectric coupling effects.

Graphical abstract: Spin-reorientation-induced magnetodielectric coupling effects in two layered perovskite magnets

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Publication details

The article was received on 03 Jul 2018, accepted on 01 Aug 2018 and first published on 01 Aug 2018


Article type: Edge Article
DOI: 10.1039/C8SC02917B
Citation: Chem. Sci., 2018, Advance Article
  • Open access: Creative Commons BY-NC license
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    Spin-reorientation-induced magnetodielectric coupling effects in two layered perovskite magnets

    B. Huang, J. Zhang, R. Huang, M. Chen, W. Xue, W. Zhang, M. Zeng and X. Chen, Chem. Sci., 2018, Advance Article , DOI: 10.1039/C8SC02917B

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