Thermal conductivity of B-C-N and BN nanotubes
نویسندگان
چکیده
We have measured the temperature-dependent thermal conductivity T of boron-carbon-nitride B-C-N and boron nitride BN nanotube mats. The thermal conductivity of B-C-N nanotubes is phonon dominated and reflects dimensional effect below 70 K. We employ a new analysis method to estimate the intrinsic T of BN nanotubes converted from B-C-N nanotubes, and find that at room temperature T of a multiwalled BN nanotube is within 0.04–0.32 times that of a multiwalled carbon nanotube. The lower T of BN nanotubes than that of carbon nanotubes may be due to the enhanced isotope disorder effect in one dimension. © 2005 American Vacuum Society. DOI: 10.1116/1.2008266
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