Fig. 1: Isotope-labeled Raman spectroscopy for AB-BLG and the evolution of the corresponding Raman peaks with increased strain. | npj 2D Materials and Applications

Fig. 1: Isotope-labeled Raman spectroscopy for AB-BLG and the evolution of the corresponding Raman peaks with increased strain.

From: Interlayer shear coupling in bilayer graphene

Fig. 1

a Overlapped and differentiated Raman peaks from BLG composed of identical and isotope carbon atoms, respectively. b Schematic of the experimental setup for the shear property measurement of BLG by Raman spectroscopy. c OM image of a BLG island transferred on the formvar/PDMS substrate. d A typical Raman spectrum of AB-stacked 12C/13C BLG, compared with that of AB-stacked 12C/12C BLG. e Raman G peaks evolution of AB-stacked 12C/13C BLG with increased PDMS tensile strain. Scale bar in c: 5 μm.

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