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Title: Mechanism of exciton dephasing in a single carbon nanotube studied by photoluminescence spectroscopy
Authors: Yoshikawa, Kohei
Matsunaga, Ryusuke
Matsuda, Kazunari  kyouindb  KAKEN_id
Kanemitsu, Yoshihiko  kyouindb  KAKEN_id
Author's alias: 金光, 義彦
Issue Date: Mar-2009
Publisher: American Institute of Physics
Journal title: Applied Physics Letters
Volume: 94
Issue: 9
Thesis number: 093109
Abstract: We studied the temperature and chirality dependence of the photoluminescence (PL) linewidth of single carbon nanotubes to clarify the mechanism of exciton dephasing. The PL linewidth of a single carbon nanotube broadened linearly with increasing temperature, indicating that the linewidth and exciton dephasing are determined through exciton-phonon interactions. From the chirality dependence of the PL linewidth, we concluded that exciton dephasing is caused by both the longitudinal acoustic and twisting phonon modes.
Rights: c 2009 American Institute of Physics.
DOI(Published Version): 10.1063/1.3089843
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