Quantum interference effects on the intensity of the G modes in double-walled carbon nanotubes

Abstract : The effects of quantum interferences on the excitation dependence of the intensity of G modes have been investigated on single-walled carbon nanotubes [Duque et al., Phys. Rev. Lett. 108, 117404 (2012)]. In this work, by combining optical absorption spectroscopy and Raman scattering on individual index identified double-walled carbon nanotubes, we examine the experimental excitation dependence of the intensity of longitudinal optical and transverse optical G modes of the constituent inner and outer single-walled carbon nanotubes. The observed striking dependencies are understood in terms of quantum interference effects. Considering such effects, the excitation dependence of the different components of the G modes permits us to unambiguously assign each of them as originating from the longitudinal or transverse G modes of inner and outer tubes.
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Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95 (20), pp.205411. 〈10.1103/PhysRevB.95.205411〉
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https://hal.archives-ouvertes.fr/hal-01542689
Contributeur : L2c Aigle <>
Soumis le : mardi 20 juin 2017 - 08:54:50
Dernière modification le : mardi 10 octobre 2017 - 10:30:37

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Huy-Nam Tran, J. -C. Blancon, R. Arenal, Romain Parret, Ahmed Azmi Zahab, et al.. Quantum interference effects on the intensity of the G modes in double-walled carbon nanotubes. Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95 (20), pp.205411. 〈10.1103/PhysRevB.95.205411〉. 〈hal-01542689〉

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