Magnetic Digital Flop of Ferroelectric Domain with Fixed Spin Chirality in a Triangular Lattice Helimagnet

S. Seki, H. Murakawa, Y. Onose, Y. Tokura

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

The ferroelectric properties in a magnetic field (H) of varying magnitude and direction have been investigated for the triangular-lattice helimagnet CuFe1-xGaxO2 (x=0.035). The in-plane H was found to induce the rearrangement of six possible multiferroic domains. Upon every 60° rotation of in-plane H around the c axis, a unique 120° flop of electric polarization occurs as a result of the switch of the helical magnetic q vector. The chirality of the spin helix is always conserved upon the q flop. The possible origin is discussed in light of the stable structure of the multiferroic domain wall.

Original languageEnglish
Article number237601
JournalPhysical review letters
Volume103
Issue number23
DOIs
Publication statusPublished - 2009 Nov 30
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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