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. 2015 Oct 16;6:8572. doi: 10.1038/ncomms9572

Figure 2. Raman thermometer calibration results of the 9.5-nm-thick BP film.

Figure 2

(a) Four sample Raman spectra taken at 24, 42, 57 and 72 °C with armchair-polarized laser. The dashed lines correspond to the peak positions at 24 °C. (b) The Ag2 Raman shift as a function of temperature for both armchair- and zigzag-polarized laser. The dashed lines show linear fit results.