Picosecond heat pulse propagation in single-wall carbon nanotubes

Mohamed A. Osman

doi:10.1117/12.528627

16 June 2004 Picosecond heat pulse propagation in single-wall carbon nanotubes

Mohamed A. Osman

Proceedings Volume 5352, Ultrafast Phenomena in Semiconductors and Nanostructure Materials VIII; (2004) https://doi.org/10.1117/12.528627
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

The propagation of picosecond duration heat pulses in single wall carbon nanotubes has been investigated using Molecular Dynamics simulations. It is found that the picosecond heat pulse in (10,0) and (5,5) induces several waves that propagate at different propagation speeds. The leading waves move at the speed of sound corresponds to LA phonons, followed by waves moving at TW phonon modes. The heat energy content in the waves corresponding to LA phonon modes in (10,0) zigzag nanotubes is significantly larger than in (5,5) armchair nanotubes.

Citation Download Citation

Mohamed A. Osman "Picosecond heat pulse propagation in single-wall carbon nanotubes", Proc. SPIE 5352, Ultrafast Phenomena in Semiconductors and Nanostructure Materials VIII, (16 June 2004); https://doi.org/10.1117/12.528627

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