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ID 19345
file
creator
Shiozawa, Hidetsugu
Ishii, Hiroyoshi
Kihara, Hideo
Sasaki, Naoya
Nakamura, Satoshi
Yoshida, Tetsuo
Takayama, Yasuhiro
Miyahara, Tsuneaki
Suzuki, Shinzo
Achiba, Yohji
Kodama, Takeshi
Higashiguchi, Mitsuharu
Chi, Xiaoyu
Kataura, Hiromichi
subject
fullerenes
carbon nanotubes
photoelectron spectra
inverse photoemission spectra
valence bands
binding energy
Fermi level
abstract
We have measured the valence-band photoemission and inverse photoemission spectra of single-walled carbon nanotubes (SWNTs) with mean radii of 0.7 and 0.64 nm encapsulating C60 fullerenes (peas), so-called "peapods." The photoemission spectrum of the C60 peas in the SWNTs is obtained by subtracting the spectrum of empty SWNTs from the spectrum of the peapod. The structures in the C60 pea spectra correspond well to those in the spectrum of a C60 face-centered-cubic solid. No structure is observed at binding energies ranging from the Fermi level (EF) to the onset of the highest occupied molecular orbital (HOMO) peak; the t1u level of the C60 peas inside the SWNT stays above EF.
journal title
Physical Review B - Condensed Matter and Materials Physics
volume
Volume 73
issue
Issue 7
start page
075406-1
end page
075406-5
date of issued
2006-02-02
publisher
American Physical Society
issn
0163-1829
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 2006 The American Physical Society.
relation url
department
Graduate School of Science
Hiroshima Synchrotron Radiation Center