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Enhancing exchange bias and tailoring microwave properties of FeCo/MnIr multilayers by oblique deposition
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10.1063/1.4768280
/content/aip/journal/jap/112/11/10.1063/1.4768280
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/11/10.1063/1.4768280
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Sketch of the oblique sputtered deposition system used in the present study.

Image of FIG. 2.
FIG. 2.

X-ray diffraction profiles for FeCo-MnIr multilayers deposited at various oblique angles.

Image of FIG. 3.
FIG. 3.

Variations of lattice spacings of (a) MnIr (002), (b) FeCo (110), and (c) MnIr (111) peaks as a function of oblique angle.

Image of FIG. 4.
FIG. 4.

Representative magnetization hysteresis loops for FeCo-MnIr multilayers deposited at various oblique angles (β = 0°, 16°, and 30°) measured at room temperature with the external magnetic field applied in easy and hard axes.

Image of FIG. 5.
FIG. 5.

Permeability spectra of FeCo-MnIr multilayers deposited at various oblique angles (β = 0°, 16°, and 30°) measure at room temperature. (a) Real part. (b) Imaginary part.

Image of FIG. 6.
FIG. 6.

Dependences of (a) exchange bias field (HE) and intrinsic uniaxial magnetic anisotropy field (HK int), and (b) ferromagnetic resonance frequency (fFMR) and effective magnetic anisotropy field (HK) on the oblique angle.

Image of FIG. 7.
FIG. 7.

Permeability spectra of FeCo-MnIr multilayers with oblique angle β = 30° measured at different temperature from 25 °C to 150 °C. (a) Real part. (b) Imaginary part.

Image of FIG. 8.
FIG. 8.

Temperature dependences of (a) ferromagnetic resonance frequency and (b) normalized ferromagnetic resonance frequency for FeCo-MnIr multilayers deposited at various oblique angles.

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/content/aip/journal/jap/112/11/10.1063/1.4768280
2012-12-06
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancing exchange bias and tailoring microwave properties of FeCo/MnIr multilayers by oblique deposition
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/11/10.1063/1.4768280
10.1063/1.4768280
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