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Formation and control of internal spin-wave channels in arrays of densely packed Permalloy nanowires
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10.1063/1.3056151
/content/aip/journal/jap/105/7/10.1063/1.3056151
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3056151
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Figures

Image of FIG. 1.
FIG. 1.

Color coded experimental transmission spectra at , i.e., is parallel to the wire’s hard axis (the color scale ranges from blue to white to red, where red (blue) indicate strong (no) absorption, in a black and white print the scale ranges from light gray to white to dark gray): sample W1 (a) and W2. (b) Vertical white lines indicate . Insets: scanning electron microscopy pictures of Permalloy wires (light gray: Permalloy and dark gray: GaAs substrate) and coordinate system.

Image of FIG. 2.
FIG. 2.

(a) Magnetization profile sketched for a -wide Permalloy wire at different fields for . Color coded experimental transmission spectra at (the color scale ranges from blue to white to red, where red (blue) indicate strong (no) absorption, in a black and white print the scale ranges from light gray to white to dark gray) for W1 (b) and W2 (c). Labels indicate different modes. Vertical white lines highlight fields and as discussed in the text.

Image of FIG. 3.
FIG. 3.

(a) Simulated spectrum for a single wire (“S”) at applied at from the hard axis. The inset illustrates the spin-precession amplitude of mode A2 (full line) along the cross section of the wire ( direction). The broken line represents a so-called center mode (here, A1 at ) for comparison. Measured spectra for sample W1 (b) and W2 (c) at the same . Modes indicated by an asterisk are further higher order modes which are not discussed in this paper.

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/content/aip/journal/jap/105/7/10.1063/1.3056151
2009-02-02
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Formation and control of internal spin-wave channels in arrays of densely packed Permalloy nanowires
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3056151
10.1063/1.3056151
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