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Interband and plasma excitations in single-walled carbon nanotubes and graphite in inelastic x-ray and electron scattering

Autor(en)
Christian Kramberger, Erik Einarsson, Simo Huotari, Theerapol Thurakitseree, Shigeo Maruyama, Martin Knupfer, Thomas Pichler
Abstrakt

The dynamical structure factor S(q,?) in graphite, freestanding thin-bundled single-walled carbon nanotubes and bulk aligned nanotubes is probed by means of inelastic x-ray and electron scattering. We utilize the equivalency and complementarity of the two techniques in our combined approach. Both independent methods may be joined seamlessly. The joint extended experimental access to the plasmon dispersion exposes vividly the transition from screened plasmons at low momenta to uniform interband transitions at high momentum transfers.

Organisation(en)
Elektronische Materialeigenschaften
Externe Organisation(en)
University of Tokyo, University of Helsinki, Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden
Journal
Physical Review B
Band
81
Anzahl der Seiten
5
ISSN
1098-0121
DOI
https://doi.org/10.1103/PhysRevB.81.205410
Publikationsdatum
2010
Peer-reviewed
Ja
ÖFOS 2012
103015 Kondensierte Materie
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/88882cc6-8fd8-4d1b-84cd-b136bd74fc7a