Superconducting proximity effect in clean ferromagnetic layers
M. Zareyan, W. Belzig, Yu. V. Nazarov
DOI 10.1103/PhysRevB.65.184505 · Physical Review B
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Abstract
We investigate the superconducting proximity effect in clean ferromagnetic layers with rough boundaries. The subgap density of states is formed by Andreev bound states at energies which depend on trajectory length and the ferromagnetic exchange field. At energies above the gap, the spectrum is governed by resonant scattering states. The resulting density of states, measurable by tunneling spectroscopy, exhibits a rich structure, which allows us to connect the theoretical parameters from experiments.
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