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Spin-dependent transport through a quantum wire on a graphene surface
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10.1063/1.4773913
/content/aip/journal/apl/102/1/10.1063/1.4773913
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/1/10.1063/1.4773913
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A sketch system of N-site linear QW coupled with the left and right (L and R) FM leads on a graphene sheet, where the QW grid point is supposed to be connected with the same graphene lattice site. (b) Side view of (a), where is the hopping integral between two neighboring QW sites, and represents the wire-graphene coupling strength.

Image of FIG. 2.
FIG. 2.

DOS for (a) up- and (b) down-spin electrons of the chain in the case of different T q, for (c) up- and (d) down-spin electrons in the case of different spin polarization, N = 10.

Image of FIG. 3.
FIG. 3.

The bias dependences of the current and differential conductance with different wire-graphene coupling strength T q at p = 0.6, N = 6.

Image of FIG. 4.
FIG. 4.

(a) and (b) the bias dependences of the current for different spin polarization, (c) and (d) the transmission function for different spin polarization, T q = 2Г0, N = 8.

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/content/aip/journal/apl/102/1/10.1063/1.4773913
2013-01-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spin-dependent transport through a quantum wire on a graphene surface
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/1/10.1063/1.4773913
10.1063/1.4773913
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