Multiferroics of spin origin

Y Tokura, S Seki, N Nagaosa - Reports on Progress in Physics, 2014‏ - iopscience.iop.org
Multiferroics, compounds with both magnetic and ferroelectric orders, are believed to be a
key material system to achieve cross-control between magnetism and electricity in a solid …

Multiferroicity: the coupling between magnetic and polarization orders

KF Wang, JM Liu, ZF Ren - Advances in Physics, 2009‏ - Taylor & Francis
Multiferroics, defined for those multifunctional materials in which two or more kinds of
fundamental ferroicities coexist, have become one of the hottest topics of condensed matter …

Observation of skyrmions in a multiferroic material

S Seki, XZ Yu, S Ishiwata, Y Tokura - Science, 2012‏ - science.org
A magnetic skyrmion is a topologically stable particle-like object that appears as a vortex-
like spin texture at the nanometer scale in a chiral-lattice magnet. Skyrmions have been …

Asymmetric magnetic domain-wall motion by the Dzyaloshinskii-Moriya interaction

SG Je, DH Kim, SC Yoo, BC Min, KJ Lee… - Physical Review B …, 2013‏ - APS
We demonstrate here that ultrathin ferromagnetic Pt/Co/Pt films with perpendicular magnetic
anisotropy exhibit a sizable Dzyaloshinskii-Moriya interaction (DMI) effect. Such a DMI effect …

Multiferroics with spiral spin orders

Y Tokura, S Seki - Advanced materials, 2010‏ - Wiley Online Library
Cross correlation between magnetism and electricity in a solid can host magnetoelectric
effects, such as magnetic (electric) induction of polarization (magnetization). A key to attain …

Magnetoelectric hexaferrites

T Kimura - Annu. Rev. Condens. Matter Phys., 2012‏ - annualreviews.org
Magnetoelectric (ME) multiferroics are materials that combine coupled electric and magnetic
dipoles. Studies of ME multiferroics are a time-honored research subject because of their …

Multiferroic -Type Hexaferrites with a Room-Temperature Conical State <?format ?>and Magnetically Controllable Spin Helicity

Y Tokunaga, Y Kaneko, D Okuyama, S Ishiwata… - Physical review …, 2010‏ - APS
Magnetic and magnetoelectric (ME) properties have been studied for single crystals of Sc-
doped M-type barium hexaferrites. Magnetization (M) and neutron diffraction measurements …

Spin-Driven Ferroelectricity in Triangular Lattice <?format ?>Antiferromagnets (, Ag, Li, or Na)

S Seki, Y Onose, Y Tokura - Physical review letters, 2008‏ - APS
The correlation between the dielectric and magnetic properties is investigated on the
triangular-lattice antiferromagnets A CrO 2 (A= Cu, Ag, Li, or Na) with a 120-degree spiral …

Magnetoelectric nature of skyrmions in a chiral magnetic insulator CuOSeO

S Seki, S Ishiwata, Y Tokura - Physical Review B—Condensed Matter and …, 2012‏ - APS
Dielectric properties were investigated under various magnitudes and directions of magnetic
field (H) for a chiral magnetic insulator Cu 2 OSeO 3. We found that the skyrmion crystal …

Formation and rotation of skyrmion crystal in the chiral-lattice insulator CuOSeO

S Seki, JH Kim, DS Inosov, R Georgii, B Keimer… - Physical Review B …, 2012‏ - APS
Small-angle neutron scattering experiments were performed on a bulk single crystal of chiral-
lattice multiferroic insulator Cu 2 OSeO 3. In the absence of an external magnetic field …