Field-Induced Reentrant Novel Phase and a Ferroelectric-Magnetic Order Coupling in [Formula presented]

B. Lorenz; A. P. Litvinchuk; M. M. Gospodinov; C. W. Chu

doi:10.1103/PhysRevLett.92.087204

Field-Induced Reentrant Novel Phase and a Ferroelectric-Magnetic Order Coupling in [Formula presented]

B. Lorenz, A. P. Litvinchuk, M. M. Gospodinov, C. W. Chu

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Abstract

A reentrant novel phase is observed in the hexagonal ferroelectric [Formula presented] in the presence of magnetic fields in the temperature range defined by a plateau of the dielectric constant anomaly. The plateau evolves with fields from a narrow dielectric peak at the Mn-spin rotation transition at 32.8 K in zero field. The anomaly appears both as a function of temperature and as a function of magnetic field without detectable hysteresis. This is attributed to the indirect coupling between the ferroelectric (FE) and antiferromagnetic (AFM) orders, arising from an FE-AFM domain wall effect.

Original language	English
Journal	Physical review letters
Volume	92
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.92.087204
Publication status	Published - 2004

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.92.087204

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title = "Field-Induced Reentrant Novel Phase and a Ferroelectric-Magnetic Order Coupling in [Formula presented] ",

abstract = "A reentrant novel phase is observed in the hexagonal ferroelectric [Formula presented] in the presence of magnetic fields in the temperature range defined by a plateau of the dielectric constant anomaly. The plateau evolves with fields from a narrow dielectric peak at the Mn-spin rotation transition at 32.8 K in zero field. The anomaly appears both as a function of temperature and as a function of magnetic field without detectable hysteresis. This is attributed to the indirect coupling between the ferroelectric (FE) and antiferromagnetic (AFM) orders, arising from an FE-AFM domain wall effect.",

author = "B. Lorenz and Litvinchuk, {A. P.} and Gospodinov, {M. M.} and Chu, {C. W.}",

year = "2004",

doi = "10.1103/PhysRevLett.92.087204",

language = "English",

volume = "92",

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T1 - Field-Induced Reentrant Novel Phase and a Ferroelectric-Magnetic Order Coupling in [Formula presented]

AU - Lorenz, B.

AU - Litvinchuk, A. P.

AU - Gospodinov, M. M.

AU - Chu, C. W.

PY - 2004

Y1 - 2004

N2 - A reentrant novel phase is observed in the hexagonal ferroelectric [Formula presented] in the presence of magnetic fields in the temperature range defined by a plateau of the dielectric constant anomaly. The plateau evolves with fields from a narrow dielectric peak at the Mn-spin rotation transition at 32.8 K in zero field. The anomaly appears both as a function of temperature and as a function of magnetic field without detectable hysteresis. This is attributed to the indirect coupling between the ferroelectric (FE) and antiferromagnetic (AFM) orders, arising from an FE-AFM domain wall effect.

AB - A reentrant novel phase is observed in the hexagonal ferroelectric [Formula presented] in the presence of magnetic fields in the temperature range defined by a plateau of the dielectric constant anomaly. The plateau evolves with fields from a narrow dielectric peak at the Mn-spin rotation transition at 32.8 K in zero field. The anomaly appears both as a function of temperature and as a function of magnetic field without detectable hysteresis. This is attributed to the indirect coupling between the ferroelectric (FE) and antiferromagnetic (AFM) orders, arising from an FE-AFM domain wall effect.

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JO - Physical review letters

JF - Physical review letters

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ER -

Field-Induced Reentrant Novel Phase and a Ferroelectric-Magnetic Order Coupling in [Formula presented]

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