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

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

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.

原文English
期刊Physical review letters
92
發行號8
DOIs
出版狀態Published - 2004

All Science Journal Classification (ASJC) codes

  • 物理與天文學 (全部)

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