Variable doping sensitivity of the TO phonon dispersion branch of metallic nanotubes: A double resonant Raman scattering study

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autor(en): Rafailov PM, Maultzsch J, Thomsen C, Dettlaff-Weglikowska U, Roth S
Zeitschrift: physica status solidi (b)
Verlag: WILEY-V C H VERLAG GMBH
Jahr der Veröffentlichung: 2009
Band: 246
Heftnummer: 11-12
Seitenbereich: 2713-2716
ISSN: 0370-1972
eISSN: 1521-3951


Abstract


We applied Raman spectroscopy to investigate the response to electrochemical doping of the second-order D*-band in single-walled carbon nanotube (SWNT) bundles. A dramatic increase of the D*-band sensitivity to doping is found upon moving the laser excitation to the red end of the visible spectrum and beyond. Basing on the double resonance (DR) Raman scattering model we interpret this phenomenon as an increasing doping sensitivity of the TO phonon dispersion branch of metallic SWNTs towards its minimum. From D*-band measurements we are thus able to draw conclusions on the wave-vector dependence of the doping sensitivity and the electron-phonon coupling (EPC) around the TO branch minimum. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim



FAU-Autoren / FAU-Herausgeber

Maultzsch, Janina Prof. Dr.
Lehrstuhl für Experimentalphysik


Autor(en) der externen Einrichtung(en)
Bulgarian Academy of Sciences (BAS) / Българска академия на науките
Max-Planck-Institut für Festkörperforschung
Technische Universität Berlin


Zitierweisen

APA:
Rafailov, P.M., Maultzsch, J., Thomsen, C., Dettlaff-Weglikowska, U., & Roth, S. (2009). Variable doping sensitivity of the TO phonon dispersion branch of metallic nanotubes: A double resonant Raman scattering study. physica status solidi (b), 246(11-12), 2713-2716. https://dx.doi.org/10.1002/pssb.200982286

MLA:
Rafailov, Peter M., et al. "Variable doping sensitivity of the TO phonon dispersion branch of metallic nanotubes: A double resonant Raman scattering study." physica status solidi (b) 246.11-12 (2009): 2713-2716.

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Zuletzt aktualisiert 2018-19-09 um 15:53