Article Dans Une Revue Nano Letters Année : 2008

Raman Spectra of Double-Wall Carbon Nanotubes under Extreme Uniaxial Stress

Résumé

We investigated the pressure dependence of the Raman frequencies and intensities of the D and G bands of double-wall carbon nanotubes under strong uniaxial conditions. Using moissanite anvils, we observed for the first time the evolution of the D band under extreme stress/pressure conditions. We find that the difference between D and G frequencies remains constant over the whole stress range. In addition, we observe that double-wall carbon nanotubes behave elastically up to the maximum uniaxial stress reached in our experiments, which is estimated to be about 12 GPa.

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hal-03578326 , version 1 (17-02-2022)

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Elena del Corro, Jesus Gonzalez, Mercedes Taravillo, Emmanuel Flahaut, Valentin G. Baonza. Raman Spectra of Double-Wall Carbon Nanotubes under Extreme Uniaxial Stress. Nano Letters, 2008, 8 (8), pp.2215-2218. ⟨10.1021/nl080760o⟩. ⟨hal-03578326⟩
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