Optical properties of deformed few-layer graphenes with AB stacking

S. H. Lee, Y. H. Ho, C. W. Chiu, M. F. Lin

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Optical excitations of deformed AB-stacked graphenes are studied through the gradient approximation. The interlayer atomic interactions induce prominent peaks, shoulder structures, and transition gaps in the low-energy absorption spectra. The uniaxial stress changes the energy spacing at the band-edge states and the Fermi momenta, which reflects on the spectrum peak frequencies and the transition gaps, respectively. These optical characteristics are also influenced by the layer number. Besides, deformation shows some similar and different effects in comparison with electric and magnetic fields. These predicted optical properties can be verified by optical measurements.

Original languageEnglish
Article number043509
JournalJournal of Applied Physics
Volume108
Issue number4
DOIs
Publication statusPublished - 2010 Aug 15

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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