Re-entrant ferroelectricity and the multiferroic phase diagram of Mn 1-xFexWO4

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

doi:10.1088/1367-2630/11/3/033036

Re-entrant ferroelectricity and the multiferroic phase diagram of Mn _1-xFe_xWO₄

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

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摘要

We report the discovery of re-entrant ferroelectricity in the phase diagram of multiferroic Fe-substituted MnWO₄. At zero magnetic field (H) the spin-spiral ferroelectric (FE) state is completely suppressed at Fe substitutions (x) exceeding 0.04. For x < 0.04 a zero-field ferroelectric phase exists in a narrow temperature (T) range. This phase shows a re-entrant behavior at lower T above a critical magnetic field. The re-entrant FE transition is explored by polarization, dielectric constant, and magnetization measurements. The complete multiferroic x-T-H phase diagram of Mn _1-xFe_xWO₄ is derived.

原文	English
文章編號	033036
期刊	New Journal of Physics
卷	11
DOIs	https://doi.org/10.1088/1367-2630/11/3/033036
出版狀態	Published - 2009 3月 31

All Science Journal Classification (ASJC) codes

物理與天文學 (全部)

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10.1088/1367-2630/11/3/033036

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abstract = "We report the discovery of re-entrant ferroelectricity in the phase diagram of multiferroic Fe-substituted MnWO4. At zero magnetic field (H) the spin-spiral ferroelectric (FE) state is completely suppressed at Fe substitutions (x) exceeding 0.04. For x < 0.04 a zero-field ferroelectric phase exists in a narrow temperature (T) range. This phase shows a re-entrant behavior at lower T above a critical magnetic field. The re-entrant FE transition is explored by polarization, dielectric constant, and magnetization measurements. The complete multiferroic x-T-H phase diagram of Mn 1-xFexWO4 is derived.",

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AU - Chaudhury, R. P.

AU - Lorenz, B.

AU - Wang, Y. Q.

AU - Sun, Y. Y.

AU - Chu, C. W.

PY - 2009/3/31

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N2 - We report the discovery of re-entrant ferroelectricity in the phase diagram of multiferroic Fe-substituted MnWO4. At zero magnetic field (H) the spin-spiral ferroelectric (FE) state is completely suppressed at Fe substitutions (x) exceeding 0.04. For x < 0.04 a zero-field ferroelectric phase exists in a narrow temperature (T) range. This phase shows a re-entrant behavior at lower T above a critical magnetic field. The re-entrant FE transition is explored by polarization, dielectric constant, and magnetization measurements. The complete multiferroic x-T-H phase diagram of Mn 1-xFexWO4 is derived.

AB - We report the discovery of re-entrant ferroelectricity in the phase diagram of multiferroic Fe-substituted MnWO4. At zero magnetic field (H) the spin-spiral ferroelectric (FE) state is completely suppressed at Fe substitutions (x) exceeding 0.04. For x < 0.04 a zero-field ferroelectric phase exists in a narrow temperature (T) range. This phase shows a re-entrant behavior at lower T above a critical magnetic field. The re-entrant FE transition is explored by polarization, dielectric constant, and magnetization measurements. The complete multiferroic x-T-H phase diagram of Mn 1-xFexWO4 is derived.

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Re-entrant ferroelectricity and the multiferroic phase diagram of Mn 1-xFexWO4

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Re-entrant ferroelectricity and the multiferroic phase diagram of Mn _1-xFe_xWO₄