Bauer, A and Bentner, J and Aprili, M and Della Rocca, L and Reinwald, Matthias and Wegscheider, Werner and Strunk, Christoph
Spontaneous Supercurrent Induced by Ferromagnetic π Junctions.
Physical Review Letters (PRL) 92 (21), p. 217001.
at publisher (via DOI)
Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.92.217001
We present magnetization measurements of mesoscopic superconducting niobium loops containing a ferromagnetic (PdNi) π junction. The loops are prepared on top of the active area of a micro-Hall sensor based on high mobility GaAs/AlGaAs heterostructures. We observe asymmetric switching of the loop between different magnetization states when reversing the sweep direction of the magnetic field. This ...
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