The magnetic properties of a series of amorphous sputter deposited films were studied having the composition (Co1−xFexNiy)80 (Si1−zBz)20 with x?0.1, y?0.4, z?0.6. The composition was chosen in order to obtain close to zero magnetostriction (λs?0). Hysteresis measurements confirmed that these films are soft ferromagnetics. F.M.R. performed on films in the thickness range 0.1–0.6 μm shows well defined standing spin wave spectra corresponding to highly uniform samples: Modes with n?2 follow a quadratic dispersion law with an excellent precision, the intensity of various spin wave modes decrease as 1/n2
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Suran et al. (1979) studied this question.
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