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Spin torque ferromagnetic resonance with magnetic field modulation
A. M. Gonçalves, I. Barsukov, Y. -J. Chen +3
We demonstrate a technique of broadband spin torque ferromagnetic resonance (ST-FMR) with magnetic field modulation for measurements of spin wave properties in magnetic nanostructu…
Ultralow-current-density and bias-field-free spin-transfer nano-oscillator
Zhongming Zeng, Giovanni Finocchio, Baoshun Zhang +8
The spin-transfer nano-oscillator (STNO) offers the possibility of using the transfer of spin angular momentum via spin-polarized currents to generate microwave signals. However, a…
Time Domain Mapping of Spin Torque Oscillator Effective Energy
Graham E. Rowlands, Jordan A. Katine, Juergen Langer +2
Stochastic dynamics of spin torque oscillators (STOs) can be described in terms of magnetization drift and diffusion over a current-dependent effective energy surface given by the…