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Micromagnetism and topologic defects in magnetoelectric media

 a,  a,  a,  a,  a,  b, c,  b, d
a Lomonosov Moscow State University, Department of Physics, Vorobevy gory, Moscow, 119992, Russian Federation
b Prokhorov General Physics Institute of the Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119942, Russian Federation
c Kintech Lab Ltd., ul. 3-ya Khoroshevskaya 12, Moscow, 123298, Russian Federation
d Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation

This paper briefly reviews research into magnetoelectric materials and multiferroics as domain-structured media. The review is focused on magnetoelectric phenomena in epitaxial iron garnet films (electrically induced displacement and tilting of domain boundaries) as a striking example of magnetoelectricity in micromagnetism. The paper also considers the effect of an electric field on other topological defects in magnetically ordered media, including Bloch lines and Bloch points at domain boundaries, magnetic vortices, and skyrmions.

Text can be downloaded in Russian. English translation is available here.
Keywords: multiferroics, magnetoelectric effect, domain wall, skyrmion, Bloch line, Bloch point
PACS: 75.85.+t, 85.70.−w, 85.75.−d (all)
DOI: 10.3367/UFNe.0185.201510k.1077
URL: https://ufn.ru/en/articles/2015/10/f/
Citation: Pyatakov A P, Sergeev A S, Nikolaeva E P, Kosykh T B, Nikolaev A V, Zvezdin K A, Zvezdin A K "Micromagnetism and topologic defects in magnetoelectric media" Phys. Usp. 58 981–992 (2015)
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Received: 1st, July 2015, 27th, May 2015

Оригинал: Пятаков А П, Сергеев А С, Николаева Е П, Косых Т Б, Николаев А В, Звездин К А, Звездин А К «Микромагнетизм и топологические дефекты в магнитоэлектрических средах» УФН 185 1077–1088 (2015); DOI: 10.3367/UFNr.0185.201510k.1077

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