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Hot phonons contribution to Joule heating in single-walled carbon nanotubes
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View: Figures


Image of FIG. 1.
FIG. 1.

Energy dispersion relation of the valence and conduction bands for (10, 10) CNT in the first BZ.

Image of FIG. 2.
FIG. 2.

LA and LO phonon dispersion relation for (10, 10) CNT in the first BZ. The lowered labeled sub-bands are for the LA mode, and the upper unlabeled sub-bands are the LO modes.

Image of FIG. 3.
FIG. 3.

LO Phonon occupation number of sub-band 4 (a), 8 (b), and 10 (c) at 1800 K with an electric field of 2 kV/cm.

Image of FIG. 4.
FIG. 4.

Total scattering rate of sub-band 10 at 300 K (a), 900 K (b), and 1800 K (c) with a 2 kV/cm electric field force.

Image of FIG. 5.
FIG. 5.

Comparison of the cumulative energy transfer calculated with a Bose-Einstein and non-equilibrium phonon distributions (thin lines) at 600 K.

Image of FIG. 6.
FIG. 6.

Joule heating power generated per unit length as a function of electric force field calculated with hot phonons (curves without markers) and with equilibrium phonons (curves with markers).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Hot phonons contribution to Joule heating in single-walled carbon nanotubes