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

doi:10.1063/1.4869479

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 T_C, 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 language	English
Article number	112907
Journal	Applied Physics Letters
Volume	104
Issue number	11
DOIs	https://doi.org/10.1063/1.4869479
State	Published - 17 Mar 2014

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title = "Strong ferromagnetic-dielectric coupling in multiferroic Lu 2CoMnO6 single crystals",

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.",

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AU - Lee, N.

AU - Choi, H. Y.

AU - Jo, Y. J.

AU - Seo, M. S.

AU - Park, S. Y.

AU - Choi, Y. J.

PY - 2014/3/17

Y1 - 2014/3/17

N2 - 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.

AB - 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.

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DO - 10.1063/1.4869479

M3 - Article

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VL - 104

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 11

M1 - 112907

ER -

Strong ferromagnetic-dielectric coupling in multiferroic Lu ₂CoMnO₆ single crystals

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