Electric Field Driven Magnetic Domain Wall Motion in Iron Garnet Films

Логгинов, А. С.; Мешков, Г.; Николаев, А.В.; Николаева, Е. П.; Pyatakov, A. P.; Zvezdin, A. K.

doi:10.4028/www.scientific.net/ssp.152-153.143

Cited by 5 publications

(1 citation statement)

References 18 publications

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“…electric field induced Faraday rotation [32]) in the vicinity of domain wall observed in YIG films [33,34]. Recently the motion of domain walls in the gradient electric field provided by a tip electrode was observed in rare earth iron garnet films [35][36][37]. The positive voltage between the tip and the * It should be noted that in some special cases of low crystal symmetry the proper-screw type of magnetic spiral can also induce electric polarization (see for example [31])…”

Section: Ferroelectricity Of Magnetic Domain Wallsmentioning

confidence: 99%

Spin Flexoelectricity and New Aspects of Micromagnetism

Pyatakov

Zvezdin

Sechin

et al. 2010

Advances in Science and Technology

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The coupling between the strain gradient and electric polarization is known as flexoelectricity in dielectrics materials. In case of magnetic media it takes the form of electric polarization induced by spin modulation and vice versa. This spin flexoelectricity causes new physical phenomena of micromagnetism such as electric field driven magnetic domain wall motion and electrical control of magnetic vortices in magnets as well as clamping of the magnetic domain walls at the ferroelectric ones in multiferroics.

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Section: Ferroelectricity Of Magnetic Domain Wallsmentioning

confidence: 99%

Spin Flexoelectricity and New Aspects of Micromagnetism

Pyatakov

Zvezdin

Sechin

et al. 2010

Advances in Science and Technology

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Electric polarization of magnetic textures: New horizons of micromagnetism

Pyatakov¹,

Мешков²,

Zvezdin³

2012

Journal of Magnetism and Magnetic Materials

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a b s t r a c tA common scenario of magnetoelectric coupling in multiferroics is the electric polarization induced by spatially modulated spin structures. It is shown in this paper that the same mechanism works in magnetic dielectrics with inhomogeneous magnetization distribution: the domain walls and magnetic vortexes can be the sources of electric polarization. The electric field driven magnetic domain wall motion is observed in iron garnet films. The electric field induced nucleation of vortex state of magnetic nanodots is theoretically predicted and numerically simulated. From the practical point of view the electric field control of micromagnetic structures suggests a low-power approach for spintronics and magnonics.

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