Electric Control of Spin Helicity in a Magnetic Ferroelectric

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Y. Yamasaki,¹ H. Sagayama,² T. Goto,¹ M. Matsuura,³ K. Hirota,³ T. Arima,^2,4 and Y. Tokura^1,4,5
¹Department of Applied Physics, University of Tokyo, Tokyo 113-8656, Japan
²Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
³The Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
⁴Spin Superstructure Project, ERATO, Japan Science and Technology Agency, Tsukuba 305-8562, Japan
⁵Correlated Electron Research Center (CERC), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan

See Also: Erratum

Received 5 January 2007; published 5 April 2007

Magneticferroelectrics or multiferroics, which are currently extensively explored, may providea good arena to realize a novel magnetoelectric function. Herewe demonstrate the genuine electric control of the spiral magneticstructure in one such magnetic ferroelectric, TbMnO₃. A spin-polarized neutronscattering experiment clearly shows that the spin helicity, clockwise orcounterclockwise, is controlled by the direction of spontaneous polarization andhence by the polarity of the small electric field appliedon cooling.

URL:	http://link.aps.org/doi/10.1103/PhysRevLett.98.147204
DOI:	10.1103/PhysRevLett.98.147204
PACS:	75.80.+q; 61.12.-q; 77.80.Fm 75.80.+q Magnetomechanical and magnetoelectric effects, magnetostriction 61.12.-q Neutron diffraction and scattering 77.80.Fm Ferroelectric switching phenomena YEAR: 2007

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Erratum

Erratum: Electric Control of Spin Helicity in a Magnetic Ferroelectric [Phys. Rev. Lett. 98, 147204 (2007)]
Y. Yamasaki, H. Sagayama, T. Goto et al.
Phys. Rev. Lett. 100, 219902 (E) (2008)