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Exchange bias in laterally oxidized Au/Co/Au nanopillars
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10.1063/1.3078411
/content/aip/journal/apl/94/6/10.1063/1.3078411
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3078411
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

AFM images of the Au/Co/Au nanopillars sample obtained with 60 nm diameter polystyrene sphere (N60).

Image of FIG. 2.
FIG. 2.

(a) Magnetization curves measured at room temperature for the continuous and nanostructured film. (b) Magnetization curves at 10 K after field cooling for the N60 sample before and after ozone attack. (c) Magnetization curves at 10 K after field cooling for the three different nanostructured samples (N60, N76, and N110).

Image of FIG. 3.
FIG. 3.

XPS for the 60 nm sample measured in a continuous film after small attack and in the nanostructured region before and after attack.

Image of FIG. 4.
FIG. 4.

(a) Simulated hysteresis loop of a cylindrical dot of dimensions and and shell thickness obtained after field cooling from a high temperature down to 0.1 K in a magnetic field (circles). Dashed lines correspond to a dot with the same dimensions but without the AF shell. Insets show the magnetic configuration of the core/shell dot at the coercive field points. Only a slice through a central plane of a quarter of the dot is displayed. Green (yellow) cones stand for the shell (shell interfacial) spins while the core spins have been dyed from cyan to red according to the magnetization component transverse to the field. (b) Contribution of the AF shell spins at the interface of the core/shell dot with to the hysteresis loop shown above.

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/content/aip/journal/apl/94/6/10.1063/1.3078411
2009-02-09
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Exchange bias in laterally oxidized Au/Co/Au nanopillars
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3078411
10.1063/1.3078411
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