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Magnetization field-dependences and the “exchange bias” in ferro/antiferromagnetic systems. I. Model of a bilayer ferromagnetic
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10.1063/1.3151994
/content/aip/journal/ltp/35/6/10.1063/1.3151994
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/6/10.1063/1.3151994
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental magnetization-versus-field curves from Ref. 21 (a) and Ref. 22 (b). The asymmetry of the field shift and a “small pedestal” for are clearly seen.

Image of FIG. 2.
FIG. 2.

Diagram of the model proposed for a bilayer ferromagnetic in contact with an uncompensated boundary of an antiferromagnet.

Image of FIG. 3.
FIG. 3.

Phase diagram of a bilayer model of a ferromagnet in the variables . The regions of stability of the collinear phases ↑↑, ↓↓, and ↑↓ and a noncollinear phase (NC) in the absence (a) and presence (b, c) of anisotropy in the easy plane are shown: (b) and , (c) ( are dimensionless anisotropy constants).

Image of FIG. 4.
FIG. 4.

Longitudinal (solid lines) and transverse (dashed lines) magnetization versus the external field for different values of the parameter : a) , b) , c) .

Image of FIG. 5.
FIG. 5.

Field dependences of the component of the magnetization of the first (1) and second (2) ferromagnetic layers: a) , b) , c) .

Image of FIG. 6.
FIG. 6.

Field dependences of the energy for different values of the parameter : a) , b) , c) . The solid and dashed lines correspond to stable and unstable, respectively, states.

Image of FIG. 7.
FIG. 7.

Magnetization curves for the ferromagnetic subsystem for , (a), , (b), and , (c).

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/content/aip/journal/ltp/35/6/10.1063/1.3151994
2009-06-01
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetization field-dependences and the “exchange bias” in ferro/antiferromagnetic systems. I. Model of a bilayer ferromagnetic
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/6/10.1063/1.3151994
10.1063/1.3151994
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