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Abnormal anti-Stokes Raman scattering of carbon nanotubes
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
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2002 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 66, no 3Article in journal (Refereed) Published
Abstract [en]

Abnormal anti-Stokes Raman scattering (AASR) was unambiguously observed in carbon nanotubes (CNT's). In contrast to traditional Raman scattering theory, the absolute value of the Raman frequency of the anti-Stokes peak is not the same as that of the corresponding Stokes peak. It was demonstrated that AASR scattering originates from the unique nanoscale cylindrical structure of CNT's that can be considered naturally as a graphite structure with an intrinsic defect from its rolling. The double-resonance Raman scattering theory was applied to interpret the scattering mechanism of the AASR phenomenon successfully and quantitatively.

Place, publisher, year, edition, pages
2002. Vol. 66, no 3
Keyword [en]
graphite, modes, dependence, spectra
URN: urn:nbn:se:kth:diva-21801ISI: 000177338500109OAI: diva2:340499
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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