Doping inhomogeneity and staging of ultra-thin graphite intercalation compound flakes probed by visible and near-infrared Raman spectroscopy |
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Lu Yan, Zhang Xin, Wu Jiang-Bin, Li Xiao-Li, Li Qiao-Qiao, Tan Ping-Heng†
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| The optical image of an inhomogeneous sample has different colors, marked with SA, SB, and SC as shown in panel (a). Their Raman spectra excited by the 488-nm laser are shown in panel (b). The gray dashed curves are Lorentzian peaks that are used to fit the experimental curves. |
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