Abstract
By means of straight forward analysis a complete calculation is given of magnetization ripple in polycrystalline ferromagnetic films. Wavelenghts and practical relations for ripple amplitude, length of coherence, and angle fluctuation are derived (which were so far only rather incompletely available from a very rough model of the ripple, given previously by the author). The dependence of ripple wavelength (λ0) on average crystallite sizea reaches a plateau at a definite critical valuea=ag∶λ0≈4a fora ag, as has been found most recently byBaltz andDoyle.
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