Spin-polarization and x-ray magnetic circular dichroism in GaAs |
| |
Institution: | 1. Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, CA, USA;2. Advanced Photon Source, Argonne National Laboratory, Argonne, IL, USA |
| |
Abstract: | The combination of angular spin momentum with electronics is a promising successor to charge-based electronics. The conduction bands in GaAs may become spin-polarized via optical spin pumping, doping with magnetic ions, or induction of a moment with an external magnetic field. We investigated the spin populations in GaAs with x-ray magnetic circular dichroism for each of these three cases. We find strong anti-symmetric lineshapes at the Ga L3 edge indicating conduction band spin splitting, with differences in line width and amplitude depending on the source of spin polarization. |
| |
Keywords: | Spintronics X ray magnetic circular dichroism Spin-polarized Carriers Magnetic devices |
本文献已被 ScienceDirect 等数据库收录! |
|