Figure 2: Raman thermometer calibration results of the 9.5-nm-thick BP film.
From: Anisotropic in-plane thermal conductivity observed in few-layer black phosphorus
(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.
