2004/02/05 by B. A. Glavin, K. W. Kim
Biochemistry, Genetics and Molecular Biology · Physics and Astronomy · #Electron Spin Resonance Studies #Magnetic properties of thin films #Quantum and electron transport phenomena #cond-mat.mes-hall #cond-mat.mtrl-sci
paper · pdf · doi:10.1063/1.1773359
10 pages, 2 figures
arxiv created 2004/02/05 · openalex publication_date 2004/07/14 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We demonstrate that the spin-polarized electron current can interact with a microwave electric field in a resonant manner. The spin–orbit interaction gives rise to an effective magnetic field proportional to the electric current. In the presence of both dc and ac electric field components, electron spin resonance occurs if the ac frequency matches the spin precession frequency that is controlled by the dc field. In a device consisting of two spin-polarized contacts connected by a two-dimensional channel, this mechanism allows electrically tuned detection of the ac signal frequency and amplitude. For GaAs, such detection is effective in the frequency domain around tens of gigahertz.