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Shuangchen Lu, Mingguang Yao, Quanjun Li, Hang lv, Dedi Liu, Bo Liu, Ran Liu, Linhai Jiang, Zhen Yao, Zhaodong Liu, Bo Zou, Tian Cui and Bingbing Liu Exploring the possible interlinked structures in single-wall carbon nanotubes under pressure by Raman spectroscopy Journal of Raman Spectroscopy 44

Version of Record online: 5 SEP 2012 | DOI: 10.1002/jrs.4166

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High-pressure Raman measurements on single-wall carbon nanotubes have been carried out in a diamond anvil cell. With pressure increasing up to 15–17 GPa, we observed that anomalous changes take place in both the Raman wavenumber and the linewidth of G-band. We propose that the interlinked configuration with sp3 bonds forms in the SWNT bundles under pressure, which was the cause for the occurrence of the Raman anomalies.

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