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

175 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.",

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AU - Kataura, Hiromichi

AU - Suzuki, Shinzo

AU - Achiba, Yohji

AU - Nishibori, Eiji

AU - Takata, Masaki

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AU - Fujiwara, Akihiko

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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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