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Fe/MgO/Fe (100) textured tunnel junctions exhibiting spin polarization features of single crystal junctions
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10.1063/1.3687174
/content/aip/journal/apl/100/7/10.1063/1.3687174
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/7/10.1063/1.3687174
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) RHEED diffraction patterns of: (a) as deposited in-plane isotropic 30 nm Fe on MgO/Si substrate; (b) textured Fe film after annealing at 500 °C for 20 min; (c) (001) direction and (d) (011) direction of SC Fe film grown on MgO substrate; (e) MgO textured barrier; (f) top textured Fe layer after 10 min annealing at 350 °C; and (g) RHEED oscillations for the MgO barrier deposition for the SC (black) and the textured (gray) sample MTJ.

Image of FIG. 2.
FIG. 2.

TMR(H) loops for epitaxial (a) and textured (b) MTJ. For the textured MTJ, all the in-plane directions are magnetically equivalent (isotropic R(H) curves).

Image of FIG. 3.
FIG. 3.

For SC and T MTJs bias dependence of: (a) TMR at 10 K, normalized with respect to the maximum value of the SC junction; (b) conductance at 10 K in AP configuration; (c) conductance at 10 K in P configuration; (d) conductance at 300 K in parallel configuration; and (e)–(g) temperature dependence of the normalized TMR ratio, NTMR, and of the P and AP resistances, NRP and NRAP measured at 10 mV, with respect to their low temperature values.

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/content/aip/journal/apl/100/7/10.1063/1.3687174
2012-02-17
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fe/MgO/Fe (100) textured tunnel junctions exhibiting spin polarization features of single crystal junctions
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/7/10.1063/1.3687174
10.1063/1.3687174
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