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Flux-closure chirality control and domain wall trapping in asymmetric magnetic ring
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10.1063/1.3197413
/content/aip/journal/jap/106/4/10.1063/1.3197413
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/4/10.1063/1.3197413
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Geometry of the asymmetric magnetic ring used in the simulation. An example of asymmetric magnetic ring for ratio is shown here. For clarity, we refer to the asymmetric axis as AC and the symmetric axis as BD.

Image of FIG. 2.
FIG. 2.

Typically simulated hysteresis loops of asymmetric magnetic ring for , (a) , and (b) and its magnetic configurations (shown in insets). (c) Hysteresis loop of the asymmetric magnetic ring for various , 800, and 900 nm at a fixed and .

Image of FIG. 3.
FIG. 3.

Phase diagram of switching as a function of the ring geometrical parameters, i.e., the thickness of the film and the outer diameter of the ring for ; line I and line II are two boundaries separating following three kinds of switching: (i) transverse domain wall propagation in the thin arm (◼), (ii) vortex nucleation in the wide arm (●), and (iii) multinucleation switching (▲).

Image of FIG. 4.
FIG. 4.

Simulated hysteresis loops of the asymmetric magnetic ring for various asymmetric ratio of , 0.2, and 0.3. Other geometrical parameters of the asymmetric rings were arbitrarily chosen as , , and .

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/content/aip/journal/jap/106/4/10.1063/1.3197413
2009-08-21
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Flux-closure chirality control and domain wall trapping in asymmetric magnetic ring
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/4/10.1063/1.3197413
10.1063/1.3197413
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