The Large Gyromagnetic Effect in FeSiB Amorphous Wires

概要

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Results on the large gyromagnetic effect observed in FeSiB amorphous wires are reported. This effect consists in the appearance of a sample rotation around its axis, with frequencies from 1 to 60 Hz, when the sample is subjected to an axial alternating field of 〜10^2 A・m^<-1> with a frequency of 〜10^4 Hz. The observed experimental chracteristics of the effect indicate that its appearance is closely related to the formation of a magnetic standing wave associated to the 180° domain wall movement from the axially magnetized inner core of such wires. The magnitude of the wire's magnetostriction constant plays an essential role as concerns the macroscopic rotation of the wire.
社団法人日本磁気学会の論文
1999-01-20