Abstract
The effective magnetic thickness of Fe films and of Fe/Al and Fe/Pd
bilayers is determined using Brillouin light scattering. The magnetic
thickness is extracted by fitting the field dependence of the
frequencies of two magnon modes. Within experimental errors of about 1
Angstrom, no change in the effective magnetic thickness of the Fe layers
was detected. If a net magnetization does exist in Pd when in contact
with Fe, it is sufficiently different in nature so as to not modify the
Fe spin waves.
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