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Generation and storage of 360° domain walls in planar magnetic nanowires
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10.1063/1.4759056
/content/aip/journal/jap/112/8/10.1063/1.4759056
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/8/10.1063/1.4759056
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Planar nanowire loop with a hexagonal wall generator and a bar-shaped wall stopper, as patterned from a magnetic thin film on nonmagnetic substrate, under in-plane rotating magnetic field H ex. (b) The relaxed magnetic domain structure upon removal of a saturating magnetic field (white dashed arrow). Small white arrows and color contours within the nanowire represent magnetization direction. A and J label the wall generator and stopper, respectively, and B-I label the eight bending corners of the nanowire in the order from the wall generator to the wall stopper.

Image of FIG. 2.
FIG. 2.

Simulated magnetic domain structure evolution and domain wall generation for the first two loading cycles of counterclockwise rotating magnetic field at (a) t* = 0.25, (b) t* = 0.5, (c) t* = 0.75, (d) t* = 1, (e) t* = 1.25, (f) t* = 1.5, (g) t* = 1.75, and (h) t* = 2.0. The white solid arrow indicates the elliptical rotating field direction. Small white arrows and color contours within the nanowire represent magnetization direction. N indicates the number of 360° domain walls stored in the nanowire.

Image of FIG. 3.
FIG. 3.

Simulated generation and storage of multiple 360° domain walls under multiple cycles of counterclockwise rotating magnetic field at (a) t* = 5, (b) t* = 10, and (c) t* = 59.75.

Image of FIG. 4.
FIG. 4.

Simulated annihilation of 360° domain walls under clockwise rotating magnetic field at (a) t* = 1.25, (b) t* = 5.25, and (c) t* = 9.25.

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/content/aip/journal/jap/112/8/10.1063/1.4759056
2012-10-17
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Generation and storage of 360° domain walls in planar magnetic nanowires
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/8/10.1063/1.4759056
10.1063/1.4759056
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