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arXiv · 1403.6236

Strong ferromagnetic-dielectric coupling in multiferroic Lu2CoMnO6 single crystals

N. Lee·H. Y. Choi·Y. J. Jo·M. S. Seo·S. Y. Park·Y. J. Choi
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Abstract

We have grown single crystals of multiferroic double-perovskite Lu2CoMnO6 and studied the directional dependence of their magnetic and dielectric properties. The ferromagnetic order emerges below TC ~ 48K along the crystallographic c axis. Dielectric anomaly arises along the b axis at TC, contrary to the polycrystalline work suggesting ferroelectricity along the c axis. Through the strongly coupled ferromagnetic and dielectric states, the highly non-linear variation of both dielectric constant and magnetization was achieved in application of magnetic fields. This concurrent tunability provides an efficient route to manipulation of multiple order parameters in multiferroics.

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N. Lee, H. Y. Choi, Y. J. Jo, M. S. Seo, S. Y. Park, Y. J. Choi. 2014-03-25. Strong ferromagnetic-dielectric coupling in multiferroic Lu2CoMnO6 single crystals. https://doi.org/10.1063/1.4869479

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