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Thermoelectric transport for a quantum wire side-coupled to a graphene sheet between ferromagnetic leads
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10.1063/1.4800878
/content/aip/journal/jap/113/14/10.1063/1.4800878
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/14/10.1063/1.4800878
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of the system consisting of a N-site linear QW between two FM leads and side-coupled to a layer of graphene sheet, where the QW grid point is supposed to be connected with the same lattice site of the graphene. The magnetic moment of the two FM leads are aligned by a relative angle θ.

Image of FIG. 2.
FIG. 2.

(a) Thermal conductance κ and (b) thermopower S as a function of the level position with different number of sites N in the QW. The parameters are taken as , θ = 0, , and p = 0.3.

Image of FIG. 3.
FIG. 3.

(a) Thermal conductance κ and (b) thermopower S as a function of the level position for the 8-site QW system with different polarization p. The parameters are taken as θ = 0, , and . The inset in (b) shows S for .

Image of FIG. 4.
FIG. 4.

(a) Thermal conductance κ and (b) thermopower S as a function of the level position for the 8-site QW system with different coupling strength V 0 between the QW and graphene. The parameters are taken as θ = 0, , and p = 0.3. The inset in (b) shows S for .

Image of FIG. 5.
FIG. 5.

(a) Thermal conductance κ and (b) thermopower S as a function of the level position for the 8-site QW system with different temperature T. The parameters are taken as θ = 0, , and p = 0.3. The inset in (b) shows S for .

Image of FIG. 6.
FIG. 6.

(a) Thermal conductance κ and (b) thermopower S as a function of the level position for the 8-site QW system with different angle θ. The parameters are taken as , and p = 0.3. The inset in (b) shows S for .

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/content/aip/journal/jap/113/14/10.1063/1.4800878
2013-04-10
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermoelectric transport for a quantum wire side-coupled to a graphene sheet between ferromagnetic leads
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/14/10.1063/1.4800878
10.1063/1.4800878
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