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Temperature Dependence of the Coherent Radial Breathing Mode Oscillations in Single Walled Carbon Nanotubes

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8 Author(s)
Ji-Hee Kim ; Dept. of Phys., Chungnam Nat. Univ., Daejeon ; Kang-Jeon Han ; Dong-Wook Chang ; Nam-Je Kim
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We report on temperature dependence of the radial breathing mode(RBM) frequency and its decay time in single walled carbon nanotubes (SWCNTs), which were studied by the femtosecond pump and probe technique. With increasing temperature, we found out that the RBM frequency and phonon decay time shows on abnormal dramatic change around 70degC for a certain type of carbon nanotubes, which may be originated from the surfactant effect.

Published in:

Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on

Date of Conference:

26-31 Aug. 2007