Strong ferromagnetic-dielectric coupling in multiferroic Lu 2CoMnO6 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 Lu 2CoMnO6 and studied the directional dependence of their magnetic and dielectric properties. The ferromagnetic order emerges below T C ≈ 48 K 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.

Original languageEnglish
Article number112907
JournalApplied Physics Letters
Volume104
Issue number11
DOIs
Publication statusPublished - 2014 Mar 17

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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