Fig. 2
From: Liquefaction of water on the surface of anisotropic two-dimensional atomic layered black phosphorus
Polarization-resolved Raman scattering spectrum. a Raman curves with different incident angles from 0° to 180° with a 632 nm laser. b Polar plots of the fitted peak intensities of the Ag1 modes as a function of sample rotation angle under parallel cross-polarization configurations
