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Tailoring the perpendicular exchange bias in [Pt/Co/CoO]n multilayer by tensile stress on curved substrate
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10.1063/1.4802667
/content/aip/journal/jap/113/16/10.1063/1.4802667
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/16/10.1063/1.4802667
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of monodispersed polystyrene nanosphere arrays of (a) 100 nm, (b) 200 nm, (c) 700 nm and the inset shows monolayer structure.

Image of FIG. 2.
FIG. 2.

(a) Dependence of HE and HC, (b) Mr/Ms ratio of the multilayer [Pt(3 nm)/Co(0.8 nm)/CoO(1.1 nm)]15Pt(3 nm) on sizes of nanosphere.

Image of FIG. 3.
FIG. 3.

(a) Dependence of d111 lattice spacing on for the multilayer [Pt(3 nm)/Co(0.8 nm)/CoO(1.1 nm)]15Pt(3 nm) deposited on nanosphere with different sizes. (b) The dependence of stress on diameter for the multilayer deposited on nanosphere and flat substrate.

Image of FIG. 4.
FIG. 4.

TEM image of the [Pt/Co/CoO]n multilayer deposited on the colloid nanosphere array.

Image of FIG. 5.
FIG. 5.

XRD patterns of the multilayer [Pt(3 nm)/Co(0.8 nm)/CoO(2.6 nm)]15/Pt(3 nm) with flat Si substrate and 60 nm nanosphere substrate.

Image of FIG. 6.
FIG. 6.

(a)-(d) Hysteresis loops of multilayer [Pt(3 nm)/Co(0.8 nm)/CoO(t)]15/Pt(3 nm) on 60 nm PS array and (e) the dependence of HE and HC on the CoO thickness.

Image of FIG. 7.
FIG. 7.

XRD pattern of [Pt(3 nm)/Co(0.8 nm)/CoO(t)]15/Pt(3 nm) multilayer with different CoO thicknesses on 60 nm PS colloid nanosphere arrays, the inset on the left top is the dependence of the stress on CoO thickness and the inset on the right top is the fitting figure for XRD pattern.

Image of FIG. 8.
FIG. 8.

(a) Squareness ratios as a function of angle for each thickness (b)-(e) hysteresis loops of multilayer [Pt(3 nm)/Co(0.8 nm)/CoO(t)]15/Pt(3 nm) on 60 nm sphere array with different thicknesses of CoO measured at various directions.

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/content/aip/journal/jap/113/16/10.1063/1.4802667
2013-04-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tailoring the perpendicular exchange bias in [Pt/Co/CoO]n multilayer by tensile stress on curved substrate
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/16/10.1063/1.4802667
10.1063/1.4802667
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