Title :
Permeability and Anisotropy Dispersion of Amorphous Soft Magnetic Films
Author :
Maehata, Y. ; Tsunashima, S. ; Uchiyama, S.
Author_Institution :
Nagoya University.
fDate :
6/1/1990 12:00:00 AM
Abstract :
The frequency dependence of permeability has been calculated for soft magnetic thin films which have a uniaxial anisotropy with both amplitude and angular dispersion. These calculations have been performed for amorphous Co-Nb films, whose anisotropy dispersion has been determined by low-frequency FMR measurements. Comparison of the measured permeability with calculations suggests that the effective uniaxial anisotropy is dispersed more widely and with a smaller amplitude than is indicated by FMR measurements. The magnetization ripple is inferred to be one of the causes of the low value for the effective field.
Keywords :
Amorphous materials; Anisotropic magnetoresistance; Dispersion; Frequency dependence; Magnetic field measurement; Magnetic films; Magnetic resonance; Magnetization; Performance evaluation; Permeability measurement;
Journal_Title :
Magnetics in Japan, IEEE Translation Journal on
DOI :
10.1109/TJMJ.1990.4564301