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Signal transfer in a chain of stray-field coupled ferromagnetic squares
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10.1063/1.3614551
/content/aip/journal/apl/99/4/10.1063/1.3614551
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/4/10.1063/1.3614551
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Scanning-electron micrograph of a chain of three permalloy squares. Striplines are deposited on top of the squares I and II. (b) Vortex-core trajectory in square I after excitation at zero time. The black and the gray line mark the evaluated deflection in x- and y-direction, respectively. X-ray images show the time-dependent out-of-plane magnetic contrast in the center part (500 nm × 500 nm) of the square I at six different times indicated by the black triangles in the graph.

Image of FIG. 2.
FIG. 2.

(Color online) Time-dependent displacements of the vortex cores in squares I, II, and III for equal and alternating core polarizations along the chain (see schematic on the top). For each measurement, x-ray images at four indicated times in ns are shown. As a guide to the eye, the core is framed by open circles. The core polarization in element II has been switched between [(a)–(c)] and [(d)–(f)] as well as between [(d)–(f)] and [(g)–(i)]. STXM measurements are available as movie S1 in the supplementary material (Ref. 20).

Image of FIG. 3.
FIG. 3.

Time-dependent displacements of the vortex cores in the squares I, II, and III for two different configurations of the core polarizations along the chain [see insets in (a) and (d)]. STXM measurements are available as movie S2 in the supplementary material (Ref. 20).

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/content/aip/journal/apl/99/4/10.1063/1.3614551
2011-07-29
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Signal transfer in a chain of stray-field coupled ferromagnetic squares
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/4/10.1063/1.3614551
10.1063/1.3614551
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