Thermal expansion of single-walled carbon nanotube (SWNT) bundles: X-ray diffraction studies
Physical review. B Volume 64 Issue 24
Page 241402-1-241402-3
published_at 2001-12-15
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| Title ( eng ) |
Thermal expansion of single-walled carbon nanotube (SWNT) bundles: X-ray diffraction studies
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| Creator |
Maniwa Yutaka
Fujiwara Ryuji
Kira Hiroshi
Tou Hideki
Kataura Hiromichi
Suzuki Shinzo
Achiba Yohji
Nishibori Eiji
Takata Masaki
Sakata Makoto
Fujiwara Akihiko
Suematsu Hiroyoshi
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| Source Title |
Physical review. B
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| Volume | 64 |
| Issue | 24 |
| Start Page | 241402-1 |
| End Page | 241402-3 |
| 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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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
The American Physical Society
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| Date of Issued | 2001-12-15 |
| Rights |
Copyright (c) 2001 The American Physical Society
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.64.241402
[DOI] http://dx.doi.org/10.1103/PhysRevB.64.241402
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