Spin filtering through a double-bend structure
arXiv:cond-mat/0404605 · doi:10.1063/1.1796531
Abstract
We propose a simple scheme for the spin filter by studying the coherent transport of electrons through a double-bend structure in a quantum wire with a weak lateral magnetic potential which is much weaker than the Fermi energy of the leads. {\em Extremely large} spin polarized current in the order of {\em micro-Ampere} can be obtained because of the strong resonant behavior from the double bends. Further study suggests the roubustness of this spin filter.
3 pages, 3 figures in eps format
References in corpus (5)
- Quantum Computation with Quantum Dots
- Basic obstacle for electrical spin-injection from a ferromagnetic metal into a diffusive semiconductor
- Spin filtering and magnetoresistance in ballistic tunnel junctions
- Spin-dependent transport in lateral periodic magnetic modulations: a novel scheme for spin filters
- Spin-depedent transmission of holes through periodically modulated diluted magnetic semiconductor waveguides
Cited by in corpus (7)
- Robust strongly-modulated transmission of a -shaped structure with local Rashba interaction
- Remote-control spin filtering through a -type structure
- Spin Filtering in a Nonuniform Quantum Wire with Rashba Spin-Orbit Interaction
- Spin-dependent hole quantum transport in Aharonov-Bohm ring structure: possible schemes for spin filter
- Acoustic phonon transport through a double-bend quantum waveguide
- Rashba-Zeeman-effect-induced spin filtering energy windows in a quantum wire
- Spin-dependent electron transport in a Rashba quantum wire with rough edges