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Magnetic properties and spin-reorientation transition of sputtered FexCo1-x/Au multilayers
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10.1063/1.3596758
/content/aip/journal/jap/109/12/10.1063/1.3596758
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/12/10.1063/1.3596758
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A small angle XRD pattern of Au(40 nm)/[Fe0.3Co0.7 (0.35 nm)/Au(6 nm)]20/Au(20 nm).

Image of FIG. 2.
FIG. 2.

(Color online) (a) Typical magnetization hysteresis loops of Au(40 nm)/[Fe0.3Co0.7 (0.6 nm)/Au(15 nm)]20/Au(20 nm). The solid triangles are measured perpendicular to the sample plane. The open circles are the data measured in the sample plane. (b) Schematic drawing of rotational magnetization curve. Here, magnetization vector of the sample is in -direction and is the applied external magnetic field. (c) The experimental results (solid squares and solid circles measured under 1000 Oe and 5000 Oe, respectively) and theoretical curve (solid line) of the sample shown in Fig. 2(a). The solid line is the theoretical curve considering only one effective uniaxial magnetic anisotropy constant . (d) and of Au(40 nm)/[Fe x Co1− x (0.45 nm)/Au(6 nm)]20/Au(20 nm) vs the Fe concentration in the range from 0 (pure cobalt) to 50%.

Image of FIG. 3.
FIG. 3.

(Color online) Normalized magnetic hysteresis loops with applied field perpendicular to sample plane (solid triangles) and parallel to sample plane of the samples with Au(40 nm)/[Fe0.3Co0.7 (t nm)/Au(6 nm)]20/Au(20 nm) structure, here t equals to 0.3 nm (a); 0.8 nm (b); 1.4 nm (c), respectively. (d) The effective uniaxial magnetic anisotropy for Fe0.3Co0.7 alloy films of different thickness. The solid line is a least-squares fit to the former data using Eq. (4).

Image of FIG. 4.
FIG. 4.

(Color online) (a) XRD high angle scan: the red one is for Au(40 nm)/[Fe (0.3 nm)/Au(6 nm)]20/Au(20 nm) and the blue one is for Au(40 nm)/[Co (0.3 nm)/Au(6 nm)]20/Au(20 nm). (b) XRD high angle scan in the range for Fe0.3Co0.7 alloy films of different thickness. The sample structure is Au(40 nm)/[Fe0.3Co0.7 (t nm)/Au(6 nm)]20/Au(20 nm) and the value of t is labeled in the figure. (c) XRD high angle scan in the range for two samples. The bottom one is for t = 0.6 nm and the top one is for t = 0.8 nm. (d) A relation between and interatomic distance calculated from the main FeCo/Au(111) peaks.

Image of FIG. 5.
FIG. 5.

and vs the thickness of Au spacer layer in the samples Au(40 nm)/[Fe0.3Co0.7(0.6 nm)/Au(t nm)]20/Au(20 nm), here t = 3, 9, and 15 nm.

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/content/aip/journal/jap/109/12/10.1063/1.3596758
2011-06-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic properties and spin-reorientation transition of sputtered FexCo1-x/Au multilayers
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/12/10.1063/1.3596758
10.1063/1.3596758
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