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Fully epitaxial Fe(110)/MgO(111)/Fe(110) magnetic tunnel junctions: Growth, transport, and spin filtering properties
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10.1063/1.2976546
/content/aip/journal/apl/93/8/10.1063/1.2976546
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/8/10.1063/1.2976546
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Figures

Image of FIG. 1.
FIG. 1.

Schematic spin-split band structure of Fe along the [110], direction adapted according to Refs. 18 and 19; spin-up (-down) states: solid (dashed) lines. The free electron final band is shifted by with its energy displayed along the top scale.

Image of FIG. 2.
FIG. 2.

(a) STM image of a 25 nm thick Fe(110) film on (1.0 V; 0.12 nA). The inset shows the corresponding LEED image . (b) STM image of a 1 nm thick MgO layer deposited on Fe(110) (3.6 V; 0.35 nA). The inset shows the LEED image of a 3 nm thick MgO layer .

Image of FIG. 3.
FIG. 3.

(a) TEM micrograph of a cross section of the epitaxial Fe(110)/MgO(111)/Fe(110) MTJ. (b) Magnetic hysteresis loop at 4.2 K and (c) a typical curve of the MTJ. (d) characteristics of the Fe/MgO/Fe MTJ measured at 4.2 K (open squares) together with the corresponding Simmons fit21 of the experimental data (full circles).

Image of FIG. 4.
FIG. 4.

TMR measurements as a function of external magnetic field at 1.5 K (open circles) and at RT (full squares).

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/content/aip/journal/apl/93/8/10.1063/1.2976546
2008-08-29
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fully epitaxial Fe(110)/MgO(111)/Fe(110) magnetic tunnel junctions: Growth, transport, and spin filtering properties
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/8/10.1063/1.2976546
10.1063/1.2976546
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