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题名: Raman and infrared properties and layer dependence of the phonon dispersions in multilayered graphene
作者: Jiang, JW;  Tang, H;  Wang, BS;  Su, ZB
发表日期: 2008
摘要: The symmetry group analysis is applied to classify the phonon modes of N-stacked graphene layers (NSGLs) with AB and AA stacking, particularly their infrared and Raman properties. The dispersions of various phonon modes are calculated in a multilayer vibrational model, which is generalized from the lattice vibrational potentials of graphene to including the interlayer interactions in NSGLs. The experimentally reported redshift phenomena in the layer-number dependence of the intralayer optical C-C stretching mode frequencies are interpreted. An interesting low-frequency interlayer optical mode is revealed to be Raman or infrared active in even or odd NSGLs, respectively. Its frequency shift is sensitive to the layer number and saturated at about 10 layers.
KOS主题词: Lattice dynamics;  Graphite;  Photography--Films;  Finite volume method
刊名: PHYSICAL REVIEW B
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Jiang, JW ; Tang, H ; Wang, BS ; Su, ZB .Raman and infrared properties and layer dependence of the phonon dispersions in multilayered graphene ,PHYSICAL REVIEW B,2008 ,77(23): Art. No. 235421
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