期刊
PHYSICAL REVIEW LETTERS
卷 105, 期 20, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.207002
关键词
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资金
- NSF [DMR-0748810, ECCS-1002358]
- ONR
- DOD HPCMP
- HPC
The superconducting transition temperature T-c of a ferromagnet (F)-superconductor (S)-ferromagnet trilayer depends on the mutual orientation of the magnetic moments of the F layers. This effect has been previously observed in F/S/F systems as a T-c difference between parallel and antiparallel configurations of the F layers. Here we report measurements of T-c in CuNi/Nb/CuNi trilayers as a function of the angle between the magnetic moments of the CuNi ferromagnets. The observed angular dependence of T-c is in qualitative agreement with a F/S proximity theory that accounts for the odd triplet component of the condensate predicted to arise for noncollinear orientation of the magnetic moments of the F layers.
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