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Effect of electrode composition on the tunnel magnetoresistance of pseudo-spin-valve magnetic tunnel junction with a MgO tunnel barrier
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10.1063/1.2742576
/content/aip/journal/apl/90/21/10.1063/1.2742576
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2742576
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) TMR ratio as a function of CoFeB electrode thickness for various Co compositions (, 14%, 25%, 50%, and 75%). (b) TMR ratio as a function of Co compositions for various CoFeB thicknesses (3, 4.3, and ). All MTJs have a MgO barrier except for that plotted by a gray triangle (a) and a gray rectangle (b), which has a MgO barrier.

Image of FIG. 2.
FIG. 2.

TMR loops of a MTJ having 4 and electrodes and a -thick MgO annealed at measured at RT (black circles) and (open circles).

Image of FIG. 3.
FIG. 3.

(a) Cross-sectional HRTEM image of a sample with 75% Co composition, i.e., with . (b) Image of a sample having 25% Co electrodes in a structure otherwise the same as the one shown in (a). Both samples were annealed at for . Bottom CoFeB electrode was fully crystallized to bcc (001) both in (a) and (b), whereas the two samples show different features in the top CoFeB electrodes.

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/content/aip/journal/apl/90/21/10.1063/1.2742576
2007-05-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of electrode composition on the tunnel magnetoresistance of pseudo-spin-valve magnetic tunnel junction with a MgO tunnel barrier
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2742576
10.1063/1.2742576
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