Super-magnetoresistance effect in triplet spin valves
arXiv:1303.0375 · doi:10.1103/PhysRevLett.111.226801
Abstract
We study a triplet spin valve obtained by intercalating a triplet superconductor spacer between two ferromagnetic regions with non-collinear magnetizations. We demonstrate that the magnetoresitance of the triplet spin valve depends on the relative orientations of the d-vector, characterizing the superconducting state, and the magnetization directions of the ferromagnetic layers. For devices characterized by a long superconductor, the Cooper pairs spintronics regime is reached allowing to observe the properties of a polarized current sustained by Cooper pairs only. In this regime a super-magnetoresistance effect emerges, and the chiral symmetry of the order parameter of the superconducting spacer is easily recognized. Our findings open new perspectives in designing devices based on the cooperative nature of ferromagnetic and triplet correlations in a spintronic framework.
6 pages
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Cited by in corpus (10)
- Superconducting Spintronics
- Spin Supercurrent, Magnetization Dynamics, and Phi-State in Spin-Textured Josephson Junctions
- Josephson effect through magnetic skyrmion
- Cooper-Pair Spin Current in a Strontium Ruthenate Heterostructure
- Singlet superconductivity in single-crystal NiBi3 superconductor
- Switching current distributions in ferromagnetic anomalous Josephson junctions
- Evidence of triplet superconductivity in Bi/Ni bilayers: Theoretical analysis of point contact Andreev reflection spectroscopy results
- Andreev spectroscopy of the triplet superconductivity state in Bi/Ni bilayer system
- Spin transport and Spin Tunnelling Magneto-Resistance (STMR) of FNCSCF spin valve
- Magnetic exchange interaction in spin-valve with chiral spin-triplet superconductor