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Precise control of domain wall injection and pinning using helium and gallium focused ion beams
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10.1063/1.3549589
/content/aip/journal/jap/109/7/10.1063/1.3549589
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3549589
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Figures

Image of FIG. 1.
FIG. 1.

Kerr images of magnetization switching of Pt/Co/Pt strips irradiated with various He (left) and Ga (right) doses. Zero-field background images were subtracted. The irradiated region is indicated by the hatched area. Three regimes (A, B, C) are identified as described in the text.

Image of FIG. 2.
FIG. 2.

(a) Injection field as a function of dose for He (triangles), Ga (closed circles), and blurred Ga (open circles) irradiation. The line is a guide to the eye. (b) Micromagnetic simulations of DW injection from an anisotropy boundary for various values of the gradient length (from Ref. 11).

Image of FIG. 3.
FIG. 3.

(a) Twelve identical He irradiated structures (/) at 7.5 mT, consistently having a pinned DW. (b) Ga irradiated structures (/) at 7.5 mT.

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/content/aip/journal/jap/109/7/10.1063/1.3549589
2011-03-22
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Precise control of domain wall injection and pinning using helium and gallium focused ion beams
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3549589
10.1063/1.3549589
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