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Thermal saturation in dielectric four-terminal nanostructures
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic diagrams for the research system and the illustration of thermal flow. Arrow lines represent the thermal flows. (a) A four-terminal structure. (b) Thermal flow profile in the DFNS of four-thermal reservoirs with the gate temperature at .

Image of FIG. 2.
FIG. 2.

The geometrical parameters of the structure as shown in Fig. 1(a): , , and . Main figure: thermal flow vs temperature difference for the fixed gate temperature . Inset (a): thermal flow vs for the fixed . Inset (b): thermal flow vs for with different widths: and 50 nm.

Image of FIG. 3.
FIG. 3.

(a) Schematic diagrams for the cutoff frequencies of discrete transverse phonon modes (straight lines) for terminal 1, region , and terminal 4. Dashed-dotted-dotted line: the gate temperature . Dashed-dotted lines: temperatures and . Arrow lines: the change in temperatures relative to . represents all propagating phonon modes in terminal 1 at equilibrium state. (b) For the fixed gate temperature , temperatures in reservoir 1 and in reservoir 4 vs temperature difference . (c) Thermal conductance vs for the fixed .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermal saturation in dielectric four-terminal nanostructures