Author(s): C. Trainer, C. M. Yim, C. Heil, L. S. Farrar, V. Tsurkan, A. Loidl, and P. Wahl
The presence of helium reduces the spin-polarization in a magnetic tunnel junction. Ejecting the helium through the application of a voltage reverses the effect, providing electrical control of spin polarization.
[Phys. Rev. Lett. 127, 166803] Published Tue Oct 12, 2021