Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2017

Идентификатор DOI: 10.3103/S1062873817030091

Ключевые слова: Ferromagnetic resonance, Ferromagnetism, Linewidth, Powders, Resonance, Shells (structures), Composite particles, Demagnetizing field, Ferromagnetic cores, Ferromagnetic resonance linewidth, Inhomogeneities, Magnetic particle, Non-ferromagnetic, Nonmagnetics, Ferromagnetic materials

Аннотация: The dependence of the ferromagnetic resonance linewidth on the thickness of nonmagnetic shells in powders consisting of ferromagnetic core–nonferromagnetic shell composite particles is investigated. It is found that an increase in shell thickness reduces the ferromagnetic resonance linewidth by several times, down to values comparable to those for coatings with compositions similar to that of the particle’s core. The observed effect is assumed to result from suppression of the inhomogeneity of demagnetizing fields in a powder consisting of magnetic particles. © 2017, Allerton Press, Inc.

Журнал: Bulletin of the Russian Academy of Sciences: Physics

Выпуск журнала: Vol. 81, Is. 3

Номера страниц: 351-353

• Chekanova L.A. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)
• Komogortsev S.V. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)
• Denisova E.A. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation; Siberian Federal University, Krasnoyarsk, Russian Federation)
• Kuzovnikova L.A. (Krasnoyarsk Institute of Railway Engineering, Irkutsk State Railway Transport Engineering University, Krasnoyarsk, Russian Federation)
• Nemtsev I.V. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)
• Yaroslavtsev R.N. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation; Siberian Federal University, Krasnoyarsk, Russian Federation)
• Iskhakov R.S. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation)

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