Isotope effect on the thermal conductivity of boron nitride nanotubes.

@article{Chang2006IsotopeEO,
  title={Isotope effect on the thermal conductivity of boron nitride nanotubes.},
  author={Chen Wei Chang and A. M. Fennimore and Andrey Afanasiev and David C Okawa and Takashi Ikuno and Hernando Garcia and Deyu Li and Arun Majumdar and Alex Zettl},
  journal={Physical review letters},
  year={2006},
  volume={97 8},
  pages={085901}
}
We have measured the temperature-dependent thermal conductivity kappa(T) of individual multiwall boron nitride nanotubes using a microfabricated test fixture that allows direct transmission electron microscopy characterization of the tube being measured. kappa(T) is exceptionally sensitive to isotopic substitution, with a 50% enhancement in kappa(T) resulting for boron nitride nanotubes with 99.5% 11B. For isotopically pure boron nitride nanotubes, kappa rivals that of carbon nanotubes of… CONTINUE READING
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