Absorption spectra of trilayer rhombohedral graphite

Chi Lang Lu, Hong Chang Lin, Chi Chuan Hwang, Jei Wang, Min Fa Lin, Cheng Peng Chang

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27 Citations (Scopus)

Abstract

Absorption spectra of trilayer rhombohedral graphite are studied with the tight-binding model. The interlayer interactions cause a tiny energy gap and band-edge states in electronic structures. The band-edge states exhibit logarithmic divergences and discontinuities in the density of states. The frequencies of the absorption peaks correspond to the vertical transition energies of the band-edge states. Optical spectra of trilayer simple hexagonal and orthorhombic graphites are also investigated. The stacking effects on the density of states and absorption spectra are presented and discussed in detail.

Original languageEnglish
Article number221910
JournalApplied Physics Letters
Volume89
Issue number22
DOIs
Publication statusPublished - 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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