Electrically stabilized magnetic vortex and antivortex states in magnetic dielectrics

Details Electrically stabilized magnetic vortex and antivortex states in magnetic dielectrics Electrically stabilized magnetic vortex and antivortex states in magnetic dielectrics

2010-01-03

arxiv.org/abs/1001.0391v4

Moscow University Physics Bulletin, v.65, no.4, pp. 329-331 (2010)

Physics

Condensed Matter

Materials Science

3 pages, 1 figure

Scientific paper

The micromagnetic distribution in a dielectric nanoparticle is theoretically considered. It is shown that the existence of inhomogeneous magnetoelectric interaction in magnetic dielectrics provides the possibility to stabilize the vortex and antivortex state. The estimation of the critical voltage necessary for vortex/antivortex nucleation in bismuth ferrite and iron garnet nanoparticles yields a value of +/-150 V. This system can be considered as electrically switchable two state-logic magnetic element.

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