Heat capacity of carbon nanotubes

The low-temperature behavior of the heat capacity, C V , of carbon nanotubes is estimated in order to address the question: How small must nanotubes be for C V to be measureably different from that of bulk graphite? We predict that all single-walled tubes should have C V ∝ T at sufficiently low temp...

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Bibliographic Details
Published inSolid state communications Vol. 100; no. 3; pp. 177 - 180
Main Authors Benedict, Lorin X., Louie, Steven G., Cohen, Marvin L.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.10.1996
Elsevier
Subjects
Condensed matter: structure, mechanical and thermal properties
D. heat capacity
Exact sciences and technology
Heat capacities of solids
Physics
Thermal properties of condensed matter
Thermal properties of crystalline solids
D. heat capacity
Debye temperature
Specific heat
Temperature dependence
Electronic specific heat
Tubular shape
Nanostructures
Experimental study
Carbon
Lattice specific heat
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Summary:The low-temperature behavior of the heat capacity, C V , of carbon nanotubes is estimated in order to address the question: How small must nanotubes be for C V to be measureably different from that of bulk graphite? We predict that all single-walled tubes should have C V ∝ T at sufficiently low temperature, even if the tubes are semiconducting. The range of temperature and tube radii for which this is expected to be observable is shown to be well within current experimental constraints. Multi-walled tubes are also discussed.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(96)00386-9