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Enhancement of exchange coupling between GaMnAs and IrMn with self-organized Mn(Ga)As at the interface
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10.1063/1.2410234
/content/aip/journal/apl/89/26/10.1063/1.2410234
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/26/10.1063/1.2410234

Figures

Image of FIG. 1.
FIG. 1.

curves of annealed and as-prepared heterostructures. The of (Ga,Mn)As epilayer is denoted as .

Image of FIG. 2.
FIG. 2.

(Color online) Hystersis loops for heterostructure after post-field-annealing at for , measured at after cooling the sample from under a magnetic field of (a) and (b) , respectively.

Image of FIG. 3.
FIG. 3.

High-resolution TEM images of heterostructure: (a) as-prepared and (b) after postannealing at for . The regions marked with 1, 2, 3, and 4 represent the layers Ta, IrMn, (Ga,Mn)As, and Mn(Ga)As, respectively.

Image of FIG. 4.
FIG. 4.

(Color online) Mn-content profile of as-prepared and annealed heterostructure.

Tables

Generic image for table
Table I.

Summary of the relationships between and the coercive field , exchange field , and thickness of the interfacial layer .

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/content/aip/journal/apl/89/26/10.1063/1.2410234
2006-12-26
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancement of exchange coupling between GaMnAs and IrMn with self-organized Mn(Ga)As at the interface
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/26/10.1063/1.2410234
10.1063/1.2410234
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