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Various phenomena related to inhomogeneous magnetoelectric interaction are considered. The interrelation between spatial modulation of order parameter and electric polarization, known as flexoelectric effect in liquid crystals, in the case…

Materials Science · Physics 2010-01-05 Alexander P. Pyatakov , Anatoly K. Zvezdin

The spatially inhomogeneity in a magnetic crystal give rise to electric polarization, which is known as inhomogeneous magnetoelectric effect. Similarly, an inhomogeneous magnetoelectronic effect in a conducting multiferroic material give…

Materials Science · Physics 2021-10-12 Paul C. Lou , Ravindra G. Bhardwaj , Anand Katailiha , Ward Beyermann , Sandeep Kumar

A local flexomagnetoelectric (A.P. Pyatakov, A.K. Zvezdin, 2009) effect in the magnetic domain walls (DWs) of the cubic hexoctahedral crystal has been investigated on the basis of a symmetry analysis. The strong connection between magnetic…

Materials Science · Physics 2010-12-13 Bogdan M. Tanygin

The antiferromagnetic domain structure of a multiferroic has been investigated in the presence of a ferroelectric domain structure. It has been demonstrated that an inhomogeneous magnetoelectric (flexomagnetoelectric) interaction leads to…

Materials Science · Physics 2015-05-19 Z. V. Gareeva , A. K. Zvezdin

A 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…

Materials Science · Physics 2012-11-13 A. P. Pyatakov , G. A. Meshkov , A. K. Zvezdin

The magnetoelectric (ME) effects are caused by interactions of the electrical and magnetic subsystems in a solid. Among the applications of ME effects, there are methods of magnetic reversal under the influence of an electrostatic field and…

Materials Science · Physics 2023-12-08 Bogdan Tanygin

It was recently observed that materials showing most striking multiferroic phenomena are frustrated spin-density-wave magnets. We present a simple phenomenological theory, which describes the orientation of the induced electric polarization…

Strongly Correlated Electrons · Physics 2009-11-11 Maxim Mostovoy

The magnetoelectricity of garnets is considered by means of a symmetry and quantum mechanical combined analysis. It is shown, that the magnetoelectric effect is not realized in most garnets although the necessary condition of the crystal…

Mesoscale and Nanoscale Physics · Physics 2015-01-22 A. I. Popov , D. I. Plokhov , A. K. Zvezdin

The effect of magnetic domain boundaries displacement induced by electric field is observed in epitaxial ferrite garnet films (on substrates with the (210) crystallographic orientation). The effect is odd with respect to the electric field…

Materials Science · Physics 2008-01-29 A. S. Logginov , G. A. Meshkov , V. A. Nikolaev , A. P. Pyatakov , A. K. Zvezdin

We consider theoretically the effect of an inhomogeneous magnetoelectric coupling on the magnon-induced dynamics of a ferromagnet. The magnon-mediated magnetoelectric torque affects both the homogeneous magnetization and magnon-driven…

Mesoscale and Nanoscale Physics · Physics 2016-08-25 Vetle Risinggård , Iryna Kulagina , Jacob Linder

Symmetry analysis provides crucial insights into the magnetoelectric coupling effect in type-II multiferroics. In this Letter, we comprehensively investigate couplings between electric polarization and inhomogeneous magnetization across all…

Materials Science · Physics 2026-01-30 Xinhai Tu , Di Wang , Hanjing Zhou , Songsong Yan , Huimei Liu , Hongjun Xiang , Xiangang Wan

Ferroelectric properties in magnetic fields of varying magnitude and direction have been investigated for a triangular-lattice helimagnet CuFe1-xGaxO2 (x=0.035). The magnetoelectric phase diagrams were deduced for magnetic fields along…

Strongly Correlated Electrons · Physics 2015-05-13 S. Seki , H. Murakawa , Y. Onose , Y. Tokura

Electric field control of magnetic structures, particularly topological defects in magnetoelectric materials, draws a great attention in recent years, which has led to experimental success in creation and manipulation by electric field of…

Strongly Correlated Electrons · Physics 2017-05-24 P. I. Karpov , S. I. Mukhin

A one-dimensional magnetophotonic crystal with a nonlinear defect placed either symmetrically or asymmetrically inside the structure is considered. Simultaneous effects of time-reversal nonreciprocity and nonlinear spatial asymmetry in the…

Optics · Physics 2012-07-03 Vladimir R. Tuz , Sergei V. Zhukovsky , Sergey L. Prosvirnin

Electrical control of magnetization or magnetic control of polarization offers an extra degree of freedom in materials possessing both electric and magnetic dipole moments viz., magnetoelectric multiferroics. Microstructure with…

Materials Science · Physics 2022-04-27 K. P. Jayachandran , J. M. Guedes , H. C. Rodrigues

At high densities fluids of strongly dipolar spherical particles exhibit spontaneous long-ranged orientational order. Typically, due to demagnetization effects induced by the long range of the dipolar interactions, the magnetization…

Soft Condensed Matter · Physics 2009-10-30 B. Groh , S. Dietrich

We uncover a new pathway towards multiferroicity, showing how magnetism can drive ferroelectricity without relying on inversion symmetry breaking of the magnetic ordering. Our free-energy analysis demonstrates that any commensurate…

Materials Science · Physics 2009-11-11 Joseph J. Betouras , Gianluca Giovannetti , Jeroen van den Brink

We have observed the spatial inhomogeneity of the electronic structure of a single-crystalline electron-doped EuO thin film with ferromagnetic ordering by employing infrared magneto-optical imaging with synchrotron radiation. The uniform…

Strongly Correlated Electrons · Physics 2008-09-09 S. Kimura , T. Ito , H. Miyazaki , T. Mizuno , T. Iizuka , T. Takahashi

Magnetoelectric coupling in the polycrystalline antiferromagnets CuFe0.95Rh0.05O2 and CuFeO2 has been investigated. For both samples, electric polarization was observed in the absence of an applied external magnetic field demonstrating that…

Materials Science · Physics 2009-05-27 B. Kundys , A. Maignan , D. Pelloquin , Ch. Simon

Magnetic symmetry of all possible plane domain walls in ferro- and ferrimagnets is considered. Magnetic symmetry classes of non 180 degree (including 0 degree) domain walls are obtained. The domain walls degeneracy is investigated. The…

Materials Science · Physics 2012-09-04 B. M. Tanygin , O. V. Tychko
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