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Magnetic properties of Mo/Ni superlattices (invited)
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We have studied the magnetic properties of Mo/Ni nonlattice matched superlattices. The dc magnetization was measured in the temperature range 5–300 °K and in magnetic fields up to 10 kG. The saturation magnetization and the Curie temperature behavior are consistent with expectations based on thin film effects. However, there are indications of ferromagnetic coupling across the nonmagnetic metal. Light scattering measurements were performed for the first time to study the magnon spectrum in superlattices. The Brillouin magnon spectra obtained from Mo/Ni superlattices show characteristic features associated with the collective behavior of the superlattice and are in good agreement with earlier theoretical predictions.
Title: Magnetic properties of Mo/Ni superlattices (invited)
Description:
We have studied the magnetic properties of Mo/Ni nonlattice matched superlattices.
The dc magnetization was measured in the temperature range 5–300 °K and in magnetic fields up to 10 kG.
The saturation magnetization and the Curie temperature behavior are consistent with expectations based on thin film effects.
However, there are indications of ferromagnetic coupling across the nonmagnetic metal.
Light scattering measurements were performed for the first time to study the magnon spectrum in superlattices.
The Brillouin magnon spectra obtained from Mo/Ni superlattices show characteristic features associated with the collective behavior of the superlattice and are in good agreement with earlier theoretical predictions.
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