Controlling the Spectral Characteristics of a Spin-Current Auto-Oscillator with an Electric Field
2017
Spintronics continues its march from the laboratory to everyday devices, with control via electric rather than magnetic fields a key goal. This study harnesses electrically modulated interfacial spin-orbit interaction in a magnetic multilayer to manipulate the microwave spectral characteristics of the resulting spin-current auto-oscillator. The observed enhancement of electrostatic gating in the strongly nonlinear regime of oscillations is explained quantitatively. These effects can be exploited for frequency mixing, synchronization, and logic gates in spin-wave-based magnonic devices.
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