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Spin Dynamics in a Superconductor-Ferromagnet Proximity System
The ferromagnetic resonance of thin sputtered ${\mathrm{Ni}}_{80}{\mathrm{Fe}}_{20}$ films grown on Nb is measured. By varying the temperature and the thickness of the Nb the role of the superconductivity on the whole ferromagnetic layer in these heterostructures is explored. The change in the spin transport properties below the superconducting transition of …