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Thermally activated domain wall depinning in thin strips with high perpendicular magnetocrystalline anisotropy
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10.1063/1.3204496
/content/aip/journal/jap/106/4/10.1063/1.3204496
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/4/10.1063/1.3204496
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Equilibrium state of the Bloch wall. (b) Magnetization profile averaged over the strip width .

Image of FIG. 2.
FIG. 2.

Averaged DW velocity along a perfect strip under static fields (a) and dc (b). Dots correspond to results; while lines were computed from the 1DM with and .

Image of FIG. 3.
FIG. 3.

Equilibrium states at (a) and . (c) Equilibrium DW position as a function of the applied field in the pinned regime. (d) Pinning potential as a function of the DW position. Dots correspond to micromagnetic results and the solid line is the fitting to , where .

Image of FIG. 4.
FIG. 4.

(a) Depinning field as a function of for several values of . Dots correspond to results and lines correspond to the ones obtained from 1DM. (b) Dependence of on as deduced from the 1DM analysis of the DW depinning (dots). Red solid line is the fit to with and .

Image of FIG. 5.
FIG. 5.

(a) Probability of DW depinning as a function of both obtained from 1DM with at . A temporal window of was considered, and 100 stochastic realizations were evaluated. Open dots represent the deterministic depinning field . (b) Examples of as a function of under three different density currents: (squares), (circles), and (triangles). Filled and open symbols correspond to 1DM and results, respectively.

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/content/aip/journal/jap/106/4/10.1063/1.3204496
2009-08-26
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermally activated domain wall depinning in thin strips with high perpendicular magnetocrystalline anisotropy
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/4/10.1063/1.3204496
10.1063/1.3204496
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