Ferroelectricity in perovskite HoMn O3 and YMn O3

Bernd Lorenz, Ya Qi Wang, Ching Wu Chu

研究成果: Article同行評審

192 引文 斯高帕斯(Scopus)

摘要

Ferroelectricity is observed in orthorhombic HoMn O3 and YMn O3 at the magnetic lock-in transitions into an E -type structure or an incommensurate phase with a temperature independent wave vector, respectively. In HoMn O3, the ferroelectric polarization strongly depends on the external magnetic field, indicating the involvement of the rare earth moment order in this compound. The results are discussed within the framework of recent theoretical models, in particular, the double exchange driven polar displacements predicted for E -type magnetic structures.

原文English
文章編號104405
期刊Physical Review B - Condensed Matter and Materials Physics
76
發行號10
DOIs
出版狀態Published - 2007 9月 7

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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