H. Liu, D. Bedau, et al.
J Magn Magn Mater
We report on a numerical study of the micromagnetic switching process of a nanostructured spin torque device. We show that incoherent spin waves can be excited over a wide range of current and field even at zero temperature. These large amplitude, incoherent, and nonzero k spin wave modes are shown to alter the switching phase boundary from that calculated within a macrospin model. The presence of telegraphic transitions between different spin wave modes may also contribute to the so-called back-hopping phenomenon where the switching probability varies nonmonotonically with increasing bias current. © 2011 American Institute of Physics.
H. Liu, D. Bedau, et al.
J Magn Magn Mater
J. Cucchiara, Eric E. Fullerton, et al.
Physical Review B - CMMP
D.C. Worledge, G. Hu, et al.
IEDM 2010
Guohan Hu, M. G. Gottwald, et al.
IEDM 2017