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Impact of interfacial roughness on spin filter tunneling
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10.1063/1.3291065
/content/aip/journal/apl/96/2/10.1063/1.3291065
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/2/10.1063/1.3291065
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Temperature dependence of spin polarization for a junction with , , and in the presence the indicated roughness values (in percent of ). Data symbols are calculated with roughness; lines are fits with ideal (i.e., no roughness) temperature dependence. The best fit effective thicknesses are shown in (b) (dotted line is a guide to the eye).

Image of FIG. 2.
FIG. 2.

Roughness dependence of spin polarization for spin filter junctions with the following nominal parameters: , , and . In each panel, the red solid line is the performance of the nominal junction. The sensitivity of the polarization to roughness is (a) slightly decreased with increased exchange splitting, (b) nearly independent of barrier height parameters if the spin-up barrier height is held constant, and (c) strongly dependent on mean thickness.

Image of FIG. 3.
FIG. 3.

(a) Mean thickness dependence of spin polarization for junctions with , , for the indicated roughness parameters.

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/content/aip/journal/apl/96/2/10.1063/1.3291065
2010-01-13
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Impact of interfacial roughness on spin filter tunneling
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/2/10.1063/1.3291065
10.1063/1.3291065
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