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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/3359

Title: Thermal expansion of single-walled carbon nanotube (SWNT) bundles: X-ray diffraction studies
Authors: Maniwa, Y
Fujiwara, R
Kira, H
Tou, H
Kataura, H
Suzuki, S
Achiba, Y
Nishibori, E
Takata, M
Sakata, M
Fujiwara, A
Suematsu, H
Issue Date: 2001-11
Magazine name: Physical Review B
Volume: 64
Number: 24
Start page: 241402-1
End page: 241402-3
DOI: 10.1103/PhysRevB.64.241402
Abstract: Thermal expansion coefficient in single-walled carbon nanotube bundles was determined as (-0.15±0.20)×10^<-5> (1/K) for the tube diameter and (0.75±0.25)×10^<-5> (1/K) for the triangular lattice constant by means of x-ray scattering between 300 K to 950 K. The value for the intertube gap was (4.2±1.4) ×10^<-5> (1/K), which is larger than 2.6×10^<-5> (1/K) for the c-axis thermal expansion in graphite. The results reveal the presence of a remarkably larger lattice anharmonicity in nanotube bundles than that of graphite. The small value for the tube diameter is consistent with the seamless tube structure formed by a strong covalent bond between carbon atoms comparable to that in graphite.
Rights: Yutaka Maniwa, Ryuji Fujiwara, Hiroshi Kira, Hideki Tou, Hiromichi Kataura, Shinzo Suzuki, Yohji Achiba, Eiji Nishibori, Masaki Takata, Makoto Sakata, Akihiko Fujiwara, and Hiroyoshi Suematsu, Physical Review B, 64(24), 241402, 2001. "Copyright 2001 by the American Physical Society." http://prola.aps.org/abstract/PRB/v64/i24/e241402
URI: http://hdl.handle.net/10119/3359
Material Type: publisher
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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