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Thermal stability of high frequency properties of gradient-composition-sputtered FeCoHf films with and without stripe domains
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10.1063/1.4813137
/content/aip/journal/jap/114/2/10.1063/1.4813137
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/2/10.1063/1.4813137
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Representative hysteresis loops of gradient-composition sputtered FeCoHf films with varied thicknesses measured along easy and hard axes at room temperature.

Image of FIG. 2.
FIG. 2.

Permeability spectra of some representative samples with different thicknesses measured at room temperature.

Image of FIG. 3.
FIG. 3.

Thickness dependences of (a)—magnetic anisotropy field, (b)—ferromagnetic resonance frequency, and (c)—frequency linewidth measured at room temperature. For each sample with stripe domains, there are two resonance frequencies and frequency linewidths corresponding to the primary peak and the secondary peak.

Image of FIG. 4.
FIG. 4.

Imaginary permeability spectra of some representative FeCoHf films with different thicknesses measured at varied temperatures.

Image of FIG. 5.
FIG. 5.

Temperature dependence of ferromagnetic resonance frequency f and frequency linewidth Δf for FeCoHf films with different thicknesses. Panel (a) corresponds to the case of the films with singular peak. Panel (b) is for the case of the films with multiple peaks. For the sake of clarity, only the frequency corresponding to primary resonance peak is plotted in panel (b). Panel (c) shows the temperature dependence of the frequency linewidth for the films without stripe domains.

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/content/aip/journal/jap/114/2/10.1063/1.4813137
2013-07-08
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermal stability of high frequency properties of gradient-composition-sputtered FeCoHf films with and without stripe domains
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/2/10.1063/1.4813137
10.1063/1.4813137
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