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A physical model of exchange bias in thin films with perpendicular anisotropy
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10.1063/1.3471803
/content/aip/journal/jap/108/6/10.1063/1.3471803
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/6/10.1063/1.3471803
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of angles and magnetizations involved in a PEB system. Note that the AFM anf FM anisotropy axes are assumed collinear and that AFM layer has two sublattice magnetization, which are opposite in direction.

Image of FIG. 2.
FIG. 2.

Hysteresis loops (M-H loops) of as-deposited (a) multilayered thin films, (b) , and (c) exchange biased thin films with perpendicular anisotropy.

Image of FIG. 3.
FIG. 3.

XRD patterns of as-deposited (“bottom structure”) and (“top structure”) exchange biased thin films with perpendicular anisotropy.

Image of FIG. 4.
FIG. 4.

XTEM images, SAED patterns, and Fourier transform images of as-deposited (a) (“top structure”), and (“bottom structure”).

Image of FIG. 5.
FIG. 5.

Spin configuration of -phase FeMn with 3 Q structure: (a) a unit cell, (b) a (111) plane, and (c) Co/FeMn interface in (“top structure”) exchange biased thin films.

Image of FIG. 6.
FIG. 6.

Hysteresis loops of (a) multilayered thin films, (b) , (c) exchange biased thin films before and after annealing at the fixed temperature of with a field of either 1.2 or 3.3 kOe applied along the perpendicular to the film direction, and (d) a schematic diagram illustrating the spin configuration of exchange biased thin films before and after annealing with different magnetic fields perpendicular to the film direction.

Image of FIG. 7.
FIG. 7.

XRD patterns of exchange biased thin films before and after annealing at the fixed temperature of with a magnetic field applied along the perpendicular or in-plane to the film direction.

Image of FIG. 8.
FIG. 8.

Hysteresis loops of (a) multilayered thin films, (b) , (c) exchange biased thin films before and after annealing at the fixed temperature of with a magnetic field of either 0.7 or 2.2 kOe applied along the in-plane to the film direction, and (d) hysteresis loop of (after annealed with a magnetic field of 2.2 kOe) measured under the applied magnetic filed along the in-plane direction, and (e) a schematic diagram illustrating the spin configuration of exchange biased thin films before and after annealing with different magnetic fields applied along the in-plane direction.

Image of FIG. 9.
FIG. 9.

MFM images of exchange biased thin films (a) before, and (b) after annealing at the fixed temperature of with a magnetic field of 2.2 kOe applied along the in-plane to the film direction.

Image of FIG. 10.
FIG. 10.

Hysteresis loops of multilayered thin films with perpendicular anisotropy (“PML”), (“bottom structure”), and (“top structure”) exchange biased thin films before and after annealing at the fixed temperature of with different applied magnetic fields and directions: (a) “PML” with perpendicular magnetic field, (b) “bottom structure” with perpendicular magnetic field, (c) “top structure” with perpendicular magnetic field, (d) PML with in-plane magnetic field, (e) “bottom structure” with in-plane magnetic field, (f) “top structure” with in-plane magnetic field.

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/content/aip/journal/jap/108/6/10.1063/1.3471803
2010-09-24
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A physical model of exchange bias in [Pd/Co]5/FeMn thin films with perpendicular anisotropy
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/6/10.1063/1.3471803
10.1063/1.3471803
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