Magnetic field induced ferroelectricity in Mn0.9Fe 0.1WO4

R. P. Chaudhury; B. Lorenz; Y. Q. Wang; Y. Y. Sun; C. W. Chu

doi:10.1063/1.2834245

Magnetic field induced ferroelectricity in Mn_0.9Fe _0.1WO₄

R. P. Chaudhury, B. Lorenz, Y. Q. Wang, Y. Y. Sun, C. W. Chu

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Abstract

We discovered that an external magnetic field does induce a ferroelectric phase in Mn0.9 Fe0.1 W O4 below T1 =12 K. The spontaneous polarization appears along the b axis upon applying a magnetic field above 4 T. The temperature and magnetic field dependencies of the spontaneous polarization show a strong coupling between the magnetic and ferroelectric orders. We correlate the ferroelectric transitions with dielectric constant and magnetization anomalies. Our results are interpreted in terms of recent theories relating the magnetic order induced ferroelectricity in multiferroic compounds to the inversion symmetry breaking effects of unconventional magnetic structures.

Original language	English
Article number	07E312
Journal	Journal of Applied Physics
Volume	103
Issue number	7
DOIs	https://doi.org/10.1063/1.2834245
Publication status	Published - 2008

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.2834245

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title = "Magnetic field induced ferroelectricity in Mn0.9Fe 0.1WO4",

abstract = "We discovered that an external magnetic field does induce a ferroelectric phase in Mn0.9 Fe0.1 W O4 below T1 =12 K. The spontaneous polarization appears along the b axis upon applying a magnetic field above 4 T. The temperature and magnetic field dependencies of the spontaneous polarization show a strong coupling between the magnetic and ferroelectric orders. We correlate the ferroelectric transitions with dielectric constant and magnetization anomalies. Our results are interpreted in terms of recent theories relating the magnetic order induced ferroelectricity in multiferroic compounds to the inversion symmetry breaking effects of unconventional magnetic structures.",

author = "Chaudhury, {R. P.} and B. Lorenz and Wang, {Y. Q.} and Sun, {Y. Y.} and Chu, {C. W.}",

note = "Funding Information: This work is supported in part by the T. L. L. Temple Foundation, the J. J. and R. Moores Endowment, and the State of Texas through TCSUH and at LBNL through the U.S. DOE under Contract No. DE-AC03-76SF00098.",

year = "2008",

doi = "10.1063/1.2834245",

language = "English",

volume = "103",

journal = "Journal of Applied Physics",

issn = "0021-8979",

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TY - JOUR

T1 - Magnetic field induced ferroelectricity in Mn0.9Fe 0.1WO4

AU - Chaudhury, R. P.

AU - Lorenz, B.

AU - Wang, Y. Q.

AU - Sun, Y. Y.

AU - Chu, C. W.

N1 - Funding Information: This work is supported in part by the T. L. L. Temple Foundation, the J. J. and R. Moores Endowment, and the State of Texas through TCSUH and at LBNL through the U.S. DOE under Contract No. DE-AC03-76SF00098.

PY - 2008

Y1 - 2008

N2 - We discovered that an external magnetic field does induce a ferroelectric phase in Mn0.9 Fe0.1 W O4 below T1 =12 K. The spontaneous polarization appears along the b axis upon applying a magnetic field above 4 T. The temperature and magnetic field dependencies of the spontaneous polarization show a strong coupling between the magnetic and ferroelectric orders. We correlate the ferroelectric transitions with dielectric constant and magnetization anomalies. Our results are interpreted in terms of recent theories relating the magnetic order induced ferroelectricity in multiferroic compounds to the inversion symmetry breaking effects of unconventional magnetic structures.

AB - We discovered that an external magnetic field does induce a ferroelectric phase in Mn0.9 Fe0.1 W O4 below T1 =12 K. The spontaneous polarization appears along the b axis upon applying a magnetic field above 4 T. The temperature and magnetic field dependencies of the spontaneous polarization show a strong coupling between the magnetic and ferroelectric orders. We correlate the ferroelectric transitions with dielectric constant and magnetization anomalies. Our results are interpreted in terms of recent theories relating the magnetic order induced ferroelectricity in multiferroic compounds to the inversion symmetry breaking effects of unconventional magnetic structures.

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DO - 10.1063/1.2834245

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JF - Journal of Applied Physics

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M1 - 07E312

ER -

Magnetic field induced ferroelectricity in Mn_0.9Fe _0.1WO₄

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