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Micromagnetic investigation of the dynamics of magnetization switching induced by a spin polarized current
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10.1063/1.2190450
/content/aip/journal/apl/88/13/10.1063/1.2190450
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/13/10.1063/1.2190450
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Average and standard deviation of switching time as a function of current for various spin polarization factors, ; (a) average and (b) standard deviation (cell ). is the theoretical critical current for onset of magnetic excitations.

Image of FIG. 2.
FIG. 2.

Delay in switching due to vortex formation. (a) Time-dependent variations of normalized magnetization for two different switching events at room temperature (, , and sample ), (b) spatial distributions of time averaged magnetic charges for a switching event without vortex [solid square of Fig. 2(a)], and (c) spatial distributions of for a switching event with vortex formation [open circle of Fig. 2(a)].

Image of FIG. 3.
FIG. 3.

Average of switching time as a function of current. Constant cell area: (a) and (b) . Constant aspect ratio: (c) and (b) .

Image of FIG. 4.
FIG. 4.

Probability of switching as a function of current. Constant cell area: (a) and (b) . Constant aspect ratio: (c) and (b) .

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/content/aip/journal/apl/88/13/10.1063/1.2190450
2006-03-27
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Micromagnetic investigation of the dynamics of magnetization switching induced by a spin polarized current
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/13/10.1063/1.2190450
10.1063/1.2190450
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