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Determination of the anisotropies and reversal process in exchange-bias bilayers using a rotational magnetization curve approach
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10.1063/1.3583664
/content/aip/journal/jap/109/10/10.1063/1.3583664
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/10/10.1063/1.3583664
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Definition of axes and angles of the EB bilayers during the in-plane rotation of an external field H; (b) Schematic drawing of equipment structure of a commercial VSM. EA is anti-parallel to HA for the EB bilayers.

Image of FIG. 2.
FIG. 2.

(Color online) (a) The equilibrium position of and (b) the normalized magnetization as a function of at h = 0, 0.9, and 1.3. represents the direction where H is parallel to EA (HA).

Image of FIG. 3.
FIG. 3.

(Color online) (a) The equilibrium position of and (b) the normalized magnetization as a function of at , 1.4, and 1.45.

Image of FIG. 4.
FIG. 4.

(Color online) The dependence of reduced f at for  = , , and . The insets schematically show the magnetization states before and after the magnetization reversal.

Image of FIG. 5.
FIG. 5.

(Color online) (a) The equilibrium position of Ms and (b) the normalized magnetization as a function of at , 2, and 2.5.

Image of FIG. 6.
FIG. 6.

(Color online) The dependence of reduced f at for  = , , and . The insets schematically show the magnetization states before, at, and after the magnetization reversal.

Image of FIG. 7.
FIG. 7.

(Color online) Experimental results of FeNi/FeMn sample at , 35, and 60 Oe.  =  represents the direction where H is parallel to HA.

Image of FIG. 8.
FIG. 8.

(Color online) The symbols (squares, circles, and triangles) are the experimental as a function of deduced from the rotational magnetization curves of the FeNi/FeMn EB bilayers at , 35, and 60 Oe, respectively. The dash lines are the g()as a function of fitted by Eq. (11).

Image of FIG. 9.
FIG. 9.

Normalized magnetic hysteresis loops measured at room temperature with H parallel and perpendicular to EA determined by the experimental rotational magnetization curves.

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/content/aip/journal/jap/109/10/10.1063/1.3583664
2011-05-17
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Determination of the anisotropies and reversal process in exchange-bias bilayers using a rotational magnetization curve approach
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/10/10.1063/1.3583664
10.1063/1.3583664
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