Hysteresis of Magnetization and Electric Polarization in Magnetic Nanostructures with Dzyaloshinskii–Moriya Interaction

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Abstract

The influence of the Dzyaloshinskii–Moriya interaction (DMI) on the formation of polar structures in nanoscale magnetoelectric films has been studied. The sequence of micromagnetic structures of different topology at magnetization and remagnetization of a film of limited size in a magnetic field oriented along the normal to the film surface is investigated. It is shown that the formation of polar structures is related to the existence of magnetic structures. Specific features of polar states in dependence of the DMI type and the interface symmetry is analyzed.

About the authors

Z. V Gareeva

Institute of Physics of Molecules and Crystals, Ufa Scientific Center, Russian Academy Sciences; Bashkir State University

Email: zukhragzv@yandex.ru
450075, Ufa, Russia; 450076, Ufa, Russia

N. V Shul'ga

Institute of Physics of Molecules and Crystals, Ufa Scientific Center, Russian Academy Sciences; Bashkir State University

Email: shulga@anrb.ru
450075, Ufa, Russia; 450076, Ufa, Russia

I. F Sharafullin

Bashkir State University

Email: zukhragzv@yandex.ru
450076, Ufa, Russia

R. A Doroshenko

Institute of Physics of Molecules and Crystals, Ufa Scientific Center, Russian Academy Sciences;

Email: zukhragzv@yandex.ru
450075, Ufa, Russia

A. K Zvezdin

Prokhorov General Physics Institute of the Russian Academy of Sciences; Lebedev Physical Institute, Russian Academy of Sciences

Author for correspondence.
Email: zukhragzv@yandex.ru
119991, Moscow, Russia; 119991, Moscow, Russia

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