Efficient spin injection and detection with a high degree of polarization are fundamental requirements for any potential device relying on the spin degree of freedom rather than electronic charge. Here, the authors use two weakly coupled semiconductor quantum dots as electrically tunable spin injector and detector to achieve extremely large spin polarization controllable by the ferromagnetic split-gates.
- Arunav Bordoloi
- Valentina Zannier
- Andreas Baumgartner
