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The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
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10.1063/1.4723677
/content/aip/journal/ltp/38/6/10.1063/1.4723677
http://aip.metastore.ingenta.com/content/aip/journal/ltp/38/6/10.1063/1.4723677

Figures

Image of FIG. 1.
FIG. 1.

Measured heat capacities of SWNT bundles from this work and Refs. 10, 12, and 14.

Image of FIG. 2.
FIG. 2.

Temperature dependence of the heat capacity of SWNT bundles closed at their ends (our data) plotted as C/T vs. T.

Image of FIG. 3.
FIG. 3.

Temperature dependence of the heat capacity of SWNT bundles (our data) plotted as log C(T) vs. log T.

Image of FIG. 4.
FIG. 4.

Calculated phonon densities of states of graphene (dash-dot line),36 graphite (dashed line)37 and an ensemble of isolated (10, 10) SWNTs (solid curve).11,36

Image of FIG. 5.
FIG. 5.

Comparison of experimental (our results) and calculated heat capacities of graphite, graphene and an ensemble of isolated (5, 5) and (10, 10) SWNTs.

Image of FIG. 6.
FIG. 6.

Comparison of the experimental curves C(T) (dashed line) and αR(T) (circles)25 of bundles of SWNTs oriented perpendicular to the sample axis. The straight line is an extrapolation of the high-temperature behavior of C(T) to the region below 36 K.

Image of FIG. 7.
FIG. 7.

Temperature dependence of the Grüneisen coefficient γ(T) of bundles of SWNTs oriented perpendicular to the sample axis.

Tables

Generic image for table
Table I.

Measurement techniques, measurement temperatures, powder preparation methods, characteristics of SWNTs and SWNT bundles, sample masses and compositions.

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/content/aip/journal/ltp/38/6/10.1063/1.4723677
2012-06-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
http://aip.metastore.ingenta.com/content/aip/journal/ltp/38/6/10.1063/1.4723677
10.1063/1.4723677
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