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On the importance of optical phonons to thermal conductivity in nanostructures
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10.1063/1.3615709
/content/aip/journal/apl/99/5/10.1063/1.3615709
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/5/10.1063/1.3615709
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Cumulative thermal conductivity with respect to MFPs at 277 K from the k-mesh data; Inset (a)-Inset (b) Zoomed-in figures for MFP range of 0-70 nm and 0-9 nm, respectively.

Image of FIG. 2.
FIG. 2.

(Color online) Thermal conductivity of silicon nanowires for d = 37 nm, 56 nm, and 115 nm, lines: calculated results; crosses: experimental results (see Ref. 6).

Image of FIG. 3.
FIG. 3.

(Color online) Thermal conductivity from different polarizations versus temperature for d = 20 nm; (b) normalized optical phonon contributions to the total thermal conductivity versus temperature for d = 10 nm, 20 nm, 100 nm, and 1 mm.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Thermal conductivity from different polarizations versus diameters at 277 K and (b) normalized optical phonon contributions to the total thermal conductivity vs. diameters at 100 K, 177 K, 277 K, and 400 K.

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/content/aip/journal/apl/99/5/10.1063/1.3615709
2011-08-05
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: On the importance of optical phonons to thermal conductivity in nanostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/5/10.1063/1.3615709
10.1063/1.3615709
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