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Two-dimensional mutual synchronization in spin Hall nano-oscillator arrays
Mohammad Zahedinejad, Ahmad A. Awad, Shreyas Muralidhar +5
Spin Hall nano-oscillators (SHNOs) utilize pure spin currents to drive local regions of magnetic films and nanostructures into auto-oscillating precession. If such regions are plac…
Mutual synchronization of constriction-based spin Hall nano-oscillators in weak in-plane fields
Hamid Mazraati, Shreyas Muralidhar, Seyyed Ruhollah Etesami +6
We study mutual synchronization in double nanoconstriction-based spin Hall nano-oscillators (SHNOs) under weak in-plane fields ( = 30-40 mT) and also investigate…
An Intrinsic Spin Orbit Torque Nano-Oscillator
M. Haidar, A. A. Awad, M. Dvornik +3
Spin torque and spin Hall effect nanooscillators generate high intensity spin wave auto oscillations on the nanoscale enabling novel microwave applications in spintronics, magnonic…
Mapping out the spin-wave modes of constriction-based spin Hall nano-oscillators in weak in-plane fields
Hamid Mazraati, Seyyed Ruhollah Etesami, Seyed Amir Hossein Banuazizi +5
We experimentally study the auto-oscillating spin-wave modes in NiFe/W constriction-based spin Hall nano-oscillators as a function of bias current, in-plane applied field stren…
Time resolved imaging of the non-linear bullet mode within an injection-locked nano-contact spin Hall nano-oscillator
Timothy M Spicer, Paul S Keatley, Mykola Dvornik +8
Injection of a radio frequency (RF) current was used to phase lock the SHNO to the TRSKM. The out of plane magnetization was detected by means of the polar magneto optical Kerr eff…
Spatial Mapping of Torques within a Spin Hall Nano-oscillator
Timothy M Spicer, Paul S Keatley, Thomas H J Loughran +8
Time-resolved scanning Kerr microscopy (TRSKM) was used to study precessional magnetization dynamics induced by a radio frequency (RF) current within a AlO/Py(5 nm)/Pt(6 nm…
Anomalous nonlinearity of the magnonic edge mode
Mykola Dvornik, Johan Åkerman
Nonlinearity of magneto-dynamics is typically described by a single constant, , with positive and negative values indicating repulsion and attraction of magnons, respe…
Damping's effect on the magnetodynamics of spin Hall nano-oscillators
Yuli Yin, Philipp Dürrenfeld, Mykola Dvornik +4
We study the impact of spin wave damping () on the auto-oscillation properties of nano-constriction based spin Hall nano-oscillators (SHNOs). The SHNOs are based on a 5 nm Pt la…