Mixtures of ferromagnetic and non-magnetic beads as a model of granular alloys: Magnetic properties and impedance

Granovsky, A.; Perov, N.; Filippov, O.; Rakhmanov, A.; Clerc, J.P.; Bares, P.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

Авторы: Granovsky A., Perov N., Filippov O., Rakhmanov A., Clerc J.P., Bares P.
Журнал: Materials Science Forum
Том: 373
Год издания: 2001
Издательство: TRANS TECH PUBLICATIONS LTD
Местоположение издательства: LAUBISRUTISTR 24, STAFA-ZUERICH,SWITZERLAND, CH-8712
Первая страница: 573
Последняя страница: 576
Аннотация: To study the role of contacts between adjacent granules in magnetic granular alloys on their magnetic and magneto-transport properties we model granular alloys by mixture of macroscopic beads. It has been found that magnetic moments of clusters of nickel coated polystyrene beads are not additive and depend on both the number of contacting beads and cluster configuration. The effect is mainly due to eddy currents induced in clusters during magnetization measurements in vibrating sample magnetometer. The oscillations of real and imaginary parts of impedance in mixture of magnetic beads appear at low frequencies by applying dc magnetic field. It is shown that this behavior originates from magneto-mechanical resonance for the chains of magnetic beads under combine influence of ac and dc magnetic fields.
Добавил в систему: Перов Николай Сергеевич

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Mixtures of ferromagnetic and non-magnetic beads as a model of granular alloys: Magnetic properties and impedanceстатья

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