Control of the polarization flop direction by a tilted magnetic field in multiferroic TbMnO3

N. Abe, K. Taniguchi, S. Ohtani, H. Umetsu, T. Arima

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

In spin-driven ferroelectrics, often referred to as magnetoelectric (ME) multiferroics, a domain wall separates two magnetic as well as ferroelectric domains. Therefore, it is expected that the control of such an ME domain wall could result in a large ME effect. Here, we show that the direction of a slanted magnetic field controls whether the electric polarization (P) rotates by +90 or -90° upon the P -flop transition in a prototypical spiral magnetic ferroelectric TbMnO3. This behavior is discussed in terms of the domain-wall energy of a spiral magnet in a slanted magnetic field.

Original languageEnglish
Article number020402
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume80
Issue number2
DOIs
Publication statusPublished - 2009 Aug 6

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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