Measurements of magnetic interaction through silver in epitaxial Fe(110)/Ag(111) superlattices by Mössbauer spectroscopy
1994
Magnetic interactions between Fe layers in Fe(110)/Ag(111) superlattices grown by molecular beam epitaxy have been observed using Mossbauer spectroscopy. By measuring the temperature dependence of the hyperfine field at the Fe layers, characteristics of the spin-wave spectrum can be deduced. As the Ag thickness between layers is increased, the magnetic interaction between Fe layers decreases, and the spin-wave spectrum undergoes a transformation from three-dimensional to quasi-two-dimensional.
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