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Graphene-diamond hybrid structure as spin-polarized conducting wire with thermally efficient heat sinks
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10.1063/1.4725485
/content/aip/journal/apl/100/23/10.1063/1.4725485
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/23/10.1063/1.4725485
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Top and side views of graphene-diamond hybrid structures. The shaded area denotes the diamond region.

Image of FIG. 2.
FIG. 2.

(a) Electronic energy band for the high-spin state of the graphene-diamond hybrid system. Energies are measured from that of the Fermi level. Blue and red circles denote the energy dispersion for majority and minority spins, respectively. Distribution of the wavefunction at point just above the Fermi level (b) and at the zone center point (c). Color corresponds to the sign of the wave function.

Image of FIG. 3.
FIG. 3.

Spin density ()) for the high-spin state of the graphene-diamond hybrid system. (a) The GNR region of the hybrid structure exhibits ferromagnetic spin order. (b) The ferrimangetic state as a possible metastable state, of which energy is higher by 10 meV than the ferromagnetic states.

Image of FIG. 4.
FIG. 4.

MD simulation system of graphene-diamond hybrid structure.

Image of FIG. 5.
FIG. 5.

Temperature profile of the graphene-diamond hybrid structure. Temperatures at hot and cold region ( and ) were set as 310 and 290 K, respectively. The vertical dashed lines indicate the positions of the graphene-diamond interfaces.

Image of FIG. 6.
FIG. 6.

Temperature dependence of the thermal boundary conductance (TBC). The is the average TBC value at the two interfaces.

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/content/aip/journal/apl/100/23/10.1063/1.4725485
2012-06-04
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Graphene-diamond hybrid structure as spin-polarized conducting wire with thermally efficient heat sinks
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/23/10.1063/1.4725485
10.1063/1.4725485
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