Thermal expansion of single-walled carbon nanotube (SWNT) bundles: X-ray diffraction studies

Yutaka Maniwa; Ryuji Fujiwara; Hiroshi Kira; Hideki Tou; Hiromichi Kataura; Shinzo Suzuki; Yohji Achiba; Eiji Nishibori; Masaki Takata; Makoto Sakata; Akihiko Fujiwara; Hiroyoshi Suematsu

Thermal expansion of single-walled carbon nanotube (SWNT) bundles: X-ray diffraction studies

Yutaka Maniwa, Ryuji Fujiwara, Hiroshi Kira, Hideki Tou, Hiromichi Kataura, Shinzo Suzuki, Yohji Achiba, Eiji Nishibori, Masaki Takata, Makoto Sakata, Akihiko Fujiwara, Hiroyoshi Suematsu

Research output: Contribution to journal › Article › peer-review

168 Citations (Scopus)

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.

Original language	English
Article number	241402
Pages (from-to)	2414021-2414023
Number of pages	3
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	64
Issue number	24
Publication status	Published - 2001 Dec 15
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Thermal expansion of single-walled carbon nanotube (SWNT) bundles : X-ray diffraction studies. / Maniwa, Yutaka; Fujiwara, Ryuji; Kira, Hiroshi; Tou, Hideki; Kataura, Hiromichi; Suzuki, Shinzo; Achiba, Yohji; Nishibori, Eiji; Takata, Masaki; Sakata, Makoto; Fujiwara, Akihiko; Suematsu, Hiroyoshi.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 64, No. 24, 241402, 15.12.2001, p. 2414021-2414023.

Research output: Contribution to journal › Article › peer-review

Maniwa, Yutaka ; Fujiwara, Ryuji ; Kira, Hiroshi ; Tou, Hideki ; Kataura, Hiromichi ; Suzuki, Shinzo ; Achiba, Yohji ; Nishibori, Eiji ; Takata, Masaki ; Sakata, Makoto ; Fujiwara, Akihiko ; Suematsu, Hiroyoshi. / Thermal expansion of single-walled carbon nanotube (SWNT) bundles : X-ray diffraction studies. In: Physical Review B - Condensed Matter and Materials Physics. 2001 ; Vol. 64, No. 24. pp. 2414021-2414023.

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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.",

author = "Yutaka Maniwa and Ryuji Fujiwara and Hiroshi Kira and Hideki Tou and Hiromichi Kataura and Shinzo Suzuki and Yohji Achiba and Eiji Nishibori and Masaki Takata and Makoto Sakata and Akihiko Fujiwara and Hiroyoshi Suematsu",

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AU - Tou, Hideki

AU - Kataura, Hiromichi

AU - Suzuki, Shinzo

AU - Achiba, Yohji

AU - Nishibori, Eiji

AU - Takata, Masaki

AU - Sakata, Makoto

AU - Fujiwara, Akihiko

AU - Suematsu, Hiroyoshi

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AB - 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.

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Thermal expansion of single-walled carbon nanotube (SWNT) bundles: X-ray diffraction studies

Abstract

ASJC Scopus subject areas

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