Strong stray fields in systems of giant magnetic anisotropy magnets

V.N. Samofalov^a, D.P. Belozorov^b, A.G. Ravlik^a
^aNational Technical University ‘Kharkiv Polytechnical Institute’, ul. Frunze 21, Kharkov, 61002, Ukraine
^bNational Scientific Centre ‘Kharkov Physicotechnical Institute’, ul. Akademicheskaya 1, Kharkov, 310108, Ukraine

This paper reviews research into a little-studied phenomenon in which strong stray fields arise in ferromagnets with giant magnetic anisotropy. Conditions for this to occur and for the fields to be stable are discussed. A classification of strong fields is presented. For different field types, limiting field strength values on approaching singular points are determined. Applications of the stray fields in various technical devices are considered.

PACS: 07.55.Db, 41.20.Gz, 75.30.Gw, 75.50.−y, 75.60.Ch, 81.40.Rs (all)
DOI: 10.3367/UFNe.0183.201303e.0287
URL: https://ufn.ru/en/articles/2013/3/d/
Web of Science

000320226200004
Scopus

2-s2.0-84879326774
ADS NASA

2013PhyU...56..269S
Citation: Samofalov V N, Belozorov D P, Ravlik A G "Strong stray fields in systems of giant magnetic anisotropy magnets" Phys. Usp. 56 269–288 (2013)

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Received: 9th, July 2011, revised: 24th, July 2012, accepted: 11th, December 2012

Оригинал: Самофалов В Н, Белозоров Д П, Равлик А Г «Сильные поля рассеяния в системах магнитов с гигантской магнитной анизотропией» УФН 183 287–306 (2013); DOI: 10.3367/UFNr.0183.201303e.0287