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Specular Andreev reflection and magnetoresistance in graphene-based ferromagnet-superconductor double junctions
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10.1063/1.2894513
/content/aip/journal/apl/92/10/10.1063/1.2894513
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/10/10.1063/1.2894513
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The schematic representation of energy bands and potential profile in the P and AP alignments for a FG/IG/SG/IG/FG double junction. Top for spin-up electron; bottom for spin-down electron.

Image of FIG. 2.
FIG. 2.

Tunneling MR [(a) and (c)] and conductance [(b) and (d)] as a function of the SG thickness . (a) and (b) correspond to the case with , and (c) and (d) to that with . Solid lines in (b) and (d) represent the conductance of P configuration and dashed lines that of AP configuration . The other parameters are taken as , , , and .

Image of FIG. 3.
FIG. 3.

Tunneling MR [(a) and (c)] and conductance [(b) and (d)] as a function of the effective barrier potential . (a) and (b) correspond to the case with and (c) and (d) to that with . Solid lines in (b) and (d) represent the conductance of P configuration and dashed lines are for AP configuration . Here, and . The other parameters are identical to those in Fig. 2.

Image of FIG. 4.
FIG. 4.

Tunneling MR as a function of bias voltage for the case with (dashed line) and that with (solid line). Here, . The other parameters are identical to those in Fig. 3.

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/content/aip/journal/apl/92/10/10.1063/1.2894513
2008-03-12
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Specular Andreev reflection and magnetoresistance in graphene-based ferromagnet-superconductor double junctions
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/10/10.1063/1.2894513
10.1063/1.2894513
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