Journal
PHYSICAL REVIEW B
Volume 79, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.140508
Keywords
aluminium; ferromagnetic materials; iron; magnetisation; nanostructured materials; proximity effect (superconductivity); spin valves; superconducting junction devices
Funding
- Elec- EPR ANR
- STREP SFINx EU project
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We have measured the transport properties of ferromagnet-superconductor nanostructures, where two superconducting aluminum (Al) electrodes are connected through two ferromagnetic iron (Fe) ellipsoids in parallel. We find that, below the superconducting critical temperature of Al, the resistance depends on the relative alignment of the ferromagnets' magnetization. This spin-valve effect is analyzed in terms of spin accumulation in the superconducting electrode submitted to inverse proximity effect.
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