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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Study of Thermometry in Two-Dimensional Sb2Te3 from Temperature-Dependent Raman Spectroscopy

Fig. 4

a Comparison of thickness-dependent micro-Raman spectra of 65-nm, 115-nm and 200-nm Sb2Te3 flakes at 0.402 mW laser power. The dashed lines show the position of the Raman modes. b Raman frequency vs. laser power plots of E2g & A21g modes for 115-nm Sb2Te3 flake. The solid lines are the linear fits to the experimental data (symbols). The calculated slopes from the linear fits are shown as insets. The uncertainty in the Raman frequency measurement has been shown as error bars

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