Raman scattering study of two-dimensional magnetic van der Waals compound VI3
Wang Yi-Meng1, Tian Shang-Jie1, Li Cheng-He1, Jin Feng2, Ji Jian-Ting2, Lei He-Chang1, Zhang Qing-Ming2, 3, †
       

(a) Temperature dependence of Raman spectra of 71.1-cm−1 Ag mode. Temperature dependence of frequency shift (b) and linewidth (c) (left axis). The solid red lines in panels (b) and (c) represent the fits with Eq. (3) and Eq. (4).