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Broadband ferromagnetic resonance spectroscopy of permalloy triangular nanorings
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10.1063/1.3682083
/content/aip/journal/apl/100/6/10.1063/1.3682083
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/6/10.1063/1.3682083
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Figures

Image of FIG. 1.
FIG. 1.

(a) Scanning electron micrographs (SEM) image of array of 30 nm thick Permalloy triangular rings. The inset shows an enlarged SEM image of 380 nm-wide equilateral triangular rings with 4.5 μm side length. Shown in (a), (b), (c), and (d) are the SEM images of the final sample with α = 0°, 10°, 20°, and 30°, respectively.

Image of FIG. 2.
FIG. 2.

(Color online) (a) M-H loops of 30 nm thick Permalloy triangular rings for field Happ applied along 0° and 30°. (b) FMR traces of the triangular rings with varying θ for Happ = −1400 Oe. Experimental 2D absorption spectra of the triangular rings for (c) θ = 0°, (d) θ = 10°, (e) θ = 20°, and (f) θ = 30°. (g) Angular dependence of FMR frequencies for Happ = −1400 Oe. Dots and solid lines: triangular rings. The dashed lines: reference circular rings with same side width.

Image of FIG. 3.
FIG. 3.

The simulated FMR spectra of the triangular rings with (a) θ = 0° and (b) θ = 30° for Happ = −1400 Oe. Simulated 2D absorption spectra oftriangular rings for (c) θ = 0° and (d) θ = 30°. The spatial distributions of the spin precession amplitudes for respective modes are shown as insets in(a)-(b).

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/content/aip/journal/apl/100/6/10.1063/1.3682083
2012-02-07
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Broadband ferromagnetic resonance spectroscopy of permalloy triangular nanorings
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/6/10.1063/1.3682083
10.1063/1.3682083
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