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Shape-induced ultrahigh magnetic anisotropy and ferromagnetic resonance frequency of micropatterned thin Permalloy films
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10.1063/1.2162067
/content/aip/journal/jap/99/8/10.1063/1.2162067
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2162067
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Normalized magnetic loop measurements along the hard axis, i.e., perpendicular to the applied magnetic field during deposition (a), and frequency-dependent real and imaginary parts of the permeability (b) of plated bar-shaped Py strips on Cr seed layer with in-plane aspect ratios of and . The Py strips exhibit ferromagnetic resonance at for the strip with an in-plane aspect ratio of , and at for the strip with an aspect ratio of .

Image of FIG. 2.
FIG. 2.

Comparison of normalized magnetic loop measurements before and after 30 min 400 °C annealing along (a) the hard axis and (b) easy axis. The in-plane aspect ratio of the Py strip bar is .

Image of FIG. 3.
FIG. 3.

Comparison of normalized magnetic loop measurements (a) perpendicular (the hard axis) and (b) parallel (the easy axis) to the applied external magnetic field during deposition before and after 400 °C annealing for 30 min. The in-plane aspect ratio of the Py strip bar is .

Image of FIG. 4.
FIG. 4.

(a) Normalized magnetic loop measurements along the hard axis and easy axis. The sample is the plated bar-shaped Py strips on seed layer with an in-plane aspect ratio of . (b) Frequency-dependent real and imaginary parts of the permeability.

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/content/aip/journal/jap/99/8/10.1063/1.2162067
2006-04-24
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Shape-induced ultrahigh magnetic anisotropy and ferromagnetic resonance frequency of micropatterned thin Permalloy films
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2162067
10.1063/1.2162067
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