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Raman signature to identify the structural transition of single-wall carbon nanotubes under high pressure
Yao, MG; Wang, ZG(王志刚); Liu, BB; Zou, YG; Yu, SD; Lin, W; Hou, YY; Pan, SF; Jin, MX; Zou, B; Cui, T; Zou, GT; Sundqvist, B; Yao, MG (reprint author), Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
2008
Source PublicationPHYSICAL REVIEW B
ISSN1098-0121
Volume78Issue:20
AbstractRaman spectra of single-walled carbon nanotubes (SWNTs) with diameters of 0.6-1.3 nm have been studied under high pressure. A "plateau" in the pressure dependence of the G-band frequencies was observed in all experiments, both with and without pressure transmission medium. Near the onset of the G-band plateau, the corresponding radial breathing mode (RBM) lines become very weak. A strong broadening of the full width at half maximum of the RBMs just before the onset of the G-band plateau suggests that a structural transition starts in the SWNTs. Raman spectra from SWNTs released from different pressures also indicate that a significant structural transition occurs during the G-band plateau process. Simulations of the structural changes and the corresponding Raman modes of a nanotube under compression show a behavior similar to the experimental observations. Based on the experimental results and the theoretical simulation, a detailed model is suggested for the structural transition of SWNTs, corresponding to the experimentally obtained Raman results in the high-pressure domain.
Subject AreaNuclear Science & Technology ; Physics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000261215400076
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7811
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorYao, MG (reprint author), Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
Recommended Citation
GB/T 7714
Yao, MG,Wang, ZG,Liu, BB,et al. Raman signature to identify the structural transition of single-wall carbon nanotubes under high pressure[J]. PHYSICAL REVIEW B,2008,78(20).
APA Yao, MG.,Wang, ZG.,Liu, BB.,Zou, YG.,Yu, SD.,...&Yao, MG .(2008).Raman signature to identify the structural transition of single-wall carbon nanotubes under high pressure.PHYSICAL REVIEW B,78(20).
MLA Yao, MG,et al."Raman signature to identify the structural transition of single-wall carbon nanotubes under high pressure".PHYSICAL REVIEW B 78.20(2008).
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