Temperature-dependent Raman spectra of bamboo-like boron nitride nanotubes

Lu, Jian, Ren, Qijun, Sun, Liaoxin, Yu, Jun, Chen, Ying, Shen, Xuechu and Chen, Zhanghai 2014, Temperature-dependent Raman spectra of bamboo-like boron nitride nanotubes, Applied Physics Express, vol. 7, no. 2, pp. 1-4, doi: 10.7567/APEX.7.022401.

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Title Temperature-dependent Raman spectra of bamboo-like boron nitride nanotubes
Author(s) Lu, Jian
Ren, Qijun
Sun, Liaoxin
Yu, Jun
Chen, YingORCID iD for Chen, Ying orcid.org/0000-0002-7322-2224
Shen, Xuechu
Chen, Zhanghai
Journal name Applied Physics Express
Volume number 7
Issue number 2
Start page 1
End page 4
Total pages 4
Publisher Japan Society of Applied Physics
Place of publication Tokyo, Japan
Publication date 2014-02
ISSN 1882-0778
Keyword(s) Science & Technology
Physical Sciences
Physics, Applied
Summary Phonon properties of boron nitride nanotubes (BNNTs) were investigated using Raman spectroscopy at different temperatures and new sp3- bonded BN vibrations were identified. The Raman peak of the E2g mode of BNNTs is found to be downshifted and broadened compared to that of hexagonal BN at the same temperature. By increasing the temperature, the energy of the E2g mode and the sp3-bonding mode are downshifted, with the temperature coefficients being -0.010 and -0.069cm-1/K, respectively. We attribute this downshifting to anharmonic effects as well as the elongation of the B-N bond in BNNT structures with increasing temperature. © 2014 The Japan Society of Applied Physics.
Language eng
DOI 10.7567/APEX.7.022401
Field of Research 100708 Nanomaterials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Japan Society of Applied Physics
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071545

Document type: Journal Article
Collections: Institute for Frontier Materials
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