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Rapid Domain Wall Motion in Permalloy Nanowires Excited by Spin-Polarized Current Applied Perpendicular to the Nanowire
C. T. Boone, J. A. Katine, M. Carey +3
We study domain wall (DW) dynamics in permalloy nanowires excited by alternating spin-polarized current applied perpendicular to the nanowire. Spin torque ferromagnetic resonance m…
Resonant Nonlinear Damping of Quantized Spin Waves in Ferromagnetic Nanowires
Carl Boone, Jordan Katine, Jeff Childress +5
We use spin torque ferromagnetic resonance to measure the spectral properties of dipole-exchange spin waves in permalloy nanowires. Our measurements reveal that geometric confineme…
Distortion of the Stoner-Wohlfarth astroid by a spin-polarized current
Y. Henry, S. Mangin, J. Cucchiara +2
The Stoner-Wohlfarth astroid is a fundamental object in magnetism. It separates regions of the magnetic field space with two stable magnetization equilibria from those with only on…