Infrared and Raman spectra of AA-stacking bilayer graphene
Infrared and Raman spectra of AA-stacking bilayer graphene
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AA堆叠双层石墨烯的红外和拉曼光谱
DOI:
10.1088/0957-4484/21/6/065711
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发表时间:
2010-01
期刊:
影响因子:
3.5
通讯作者:
Xu, Yuehua
中科院分区:
文献类型:
--
作者:
Dong, Jinming;Li, Xiaowei;Xu, Yuehua
The infrared (IR) absorption and resonant Raman spectra of the undoped AA-stacking bilayer graphene have been calculated using density-functional theory in the local density approximation. It is found that the undoped AA-stacking bilayer graphene exhibits a different characteristic jump and peak structure in its IR spectra, and a different G-band peak structure in its resonant Raman spectra, compared with those of the AB-stacking one, which are caused by the different interlayer coupling effects, due to different stacking types in both of them. Based upon the different IR and Raman spectra, a powerful experimental method can be proposed to identify accurately the stacking type and the layer number in future experiments.
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