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Topological insulator-graphene junction for spin transport
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10.1063/1.4769813
/content/aip/journal/apl/101/24/10.1063/1.4769813
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/24/10.1063/1.4769813
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of TIG. Regions I and II denote the xy and yz surfaces of TI, respectively. Region III means a graphene sheet deposited atop an ordinary insulator. A voltage source drives a current through TIG.

Image of FIG. 2.
FIG. 2.

The spin current (a) and charge current (b) as a function of for , the insets illustrate their dependence for .

Image of FIG. 3.
FIG. 3.

The spin current as a function of barrier strength with , , , respectively. It is seen that, with increasing , a novel oscillatory behavior of the spin current as a function of is present in all cases.

Image of FIG. 4.
FIG. 4.

The charge current as a function of barrier strength with , , , respectively.

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/content/aip/journal/apl/101/24/10.1063/1.4769813
2012-12-10
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Topological insulator-graphene junction for spin transport
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/24/10.1063/1.4769813
10.1063/1.4769813
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