Issue 37, 2018

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

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

Supplementary files

Article information

Article type
Edge Article
Submitted
03 Jul 2018
Accepted
01 Aug 2018
First published
01 Aug 2018
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2018,9, 7413-7418

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, 9, 7413 DOI: 10.1039/C8SC02917B

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