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Raman‐active modes in graphene nanoribbons
Author(s) -
Gillen Roland,
Mohr Marcel,
Maultzsch Janina
Publication year - 2010
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.201000354
Subject(s) - raman spectroscopy , zigzag , graphene nanoribbons , graphene , phonon , materials science , polarization (electrochemistry) , condensed matter physics , spectral line , molecular physics , nanotechnology , chemistry , optics , physics , quantum mechanics , mathematics , geometry
We present the symmetry representations of the Raman‐active modes in graphene nanoribbons (GNRs) with pure armchair (AGNR) or zigzag edges (ZGNR) and explain the representations in terms of fundamental modes and overtones in the Γ ‐point phonon spectrum of GNRs. This provides possible means to assign Raman peaks in measured polarization‐dependent spectra. We show simulated Raman spectra in zz ‐polarization for a 7‐AGNR and a 4‐ZGNR.

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