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High domain wall velocities induced by current in ultrathin Pt/Co/AlOx wires with perpendicular magnetic anisotropy
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10.1063/1.3062855
/content/aip/journal/apl/93/26/10.1063/1.3062855
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/26/10.1063/1.3062855
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Figures

Image of FIG. 1.
FIG. 1.

(a) Wide field Kerr microscope image of part of the Pt/Co/AlOx wire array with schematically shown Au contacts. The wires are approximately long. The boundaries between dark/light contrast in the wires indicate the DW positions. (b) Differential Kerr microscope image of current-induced DW displacements in 500 nm wide Pt/Co/AlOx wires driven by current pulses of density .

Image of FIG. 2.
FIG. 2.

Probability distributions of current-induced DW velocity in 500 nm wide Pt/Co/AlOx wires for different values of current density: (a) and (b) . The mean DW velocity is indicated in each figure by a dashed line: (a) 0.27 m/s and (b) 68 m/s. The inset in (a) shows the ratio of the standard deviation of the distribution to the mean velocity as a function of the current density .

Image of FIG. 3.
FIG. 3.

(a) Mean and maximum DW velocity as a function of current density for 500 nm wide Pt/Co/AlOx wires. The error bars are smaller than the data points unless shown. (b) The mean DW velocity fits to a creep law at current densities [corresponding to ].

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/content/aip/journal/apl/93/26/10.1063/1.3062855
2008-12-31
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High domain wall velocities induced by current in ultrathin Pt/Co/AlOx wires with perpendicular magnetic anisotropy
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/26/10.1063/1.3062855
10.1063/1.3062855
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