Optical Properties of Nanographite Ribbons : Condensed Matter: Electronic Properties, etc.
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概要
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The optical properties of nanographite ribbons are studied within the gradient approximation. The spectral function exhibits rich peak structures due to the divergencies in its density of states. Whether there are prominent peak structures is mainly determined by the geometric structure, the edge structure and the width. The spectral function also depends on the chemical potential and the temperature (except in the case of narrow armchair ribbons). Important differences between zigzag ribbons and armchair ribbons include the validity of the ΔJ = 0 selection rule, the frequency range of the absorption peaks, the very special absorption peak at γ_0 or 2γ_0, and the temperature dependence.
- 社団法人日本物理学会の論文
- 2000-11-15
著者
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Lin Ming-fa
Department Of Physics National Cheng Kung University
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Shyu Feng-lin
Department Of Electronics Engineering Fortune Institute Of Technology
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Shyu Feng-lin
Department Of Physics Chinese Military Academy
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