Plasmons and Optical Properties of Semimetal Graphite : Condensed Matter: Electronic Properties, etc.
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概要
- 論文の詳細を見る
The weak interlayer bonding in Bernal graphite induces low-density free carriers and thus low-frequency plasmons (< 0.2eV). Such plasmons reveal themselves as pronounced peaks in the loss spectra and abrupt edge structures in the reflectance spectra. The low-frequency plasmons are very sensitive to changes in temperature and momentum, mainly owing to the unique low-energy band structure. They can exist at larger momenta as temperature increases. The plasmon frequency clearly increases with temperature and momentum. The plasmon peak is broadened by temperature; furthermore, it decreases with momentum. The calculated results are consistent with the experimental measurements.
- 社団法人日本物理学会の論文
- 2000-12-15
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 Feng-shang
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LlN Ming-Fa
Department of Physics,National Cheng Kung University
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Lln Ming-fa
Department Of Physics National Cheng Kung University
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