Multiwalled carbon nanotubes grown in hydrogen atmosphere : An x-ray diffraction study

Physical review. B Volume 64 Issue 7 Page 073105-1-073105-4 published_at 2001-08-15
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Title ( eng )
Multiwalled carbon nanotubes grown in hydrogen atmosphere : An x-ray diffraction study
Creator
Maniwa Yutaka
Fujiwara Ryuji
Kira Hiroshi
Tou Hideki
Nishibori Eiji
Takata Masaki
Sakata Makoto
Fujiwara Akihiko
Zhao Xinluo
Iijima Sumio
Ando Yoshinori
Source Title
Physical review. B
Volume 64
Issue 7
Start Page 073105-1
End Page 073105-4
Abstract
X-ray diffraction study of multiwalled carbon nanotube (MWNT) grown by arc discharge in hydrogen atmosphere is presented. It is found that the thermal-expansion coefficient along the radial direction of MWNT is widely distributed in a range from 1.6×10-5 K-1 to 2.6×10-5 K-1, indicating the existence of both of Russian doll MWNT and highly defective MWNT. Russian doll MWNT is suggested to have the outer diameter less than ∼100  Å . Thicker MWNT's are typically highly defective, and may have the jelly roll (scroll) or defective polygonal structure consisting of flat graphite domains.
NDC
Physics [ 420 ]
Language
eng
Resource Type journal article
Publisher
The American Physical Society
Date of Issued 2001-08-15
Rights
Copyright (c) 2001 The American Physical Society
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 1098-0121
[DOI] http://dx.doi.org/10.1103/PhysRevB.64.073105 isVersionOf