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, †
       

Polarized Raman spectra in VI3 at 300 K under Z ( X X ) Z ¯ (red line) and Z ( X Y ) Z ¯ (pink line) scattering geometries. The phonon modes at 71.1 cm−1 and 128.4 cm−1 are Ag ones. Unpolarized Raman spectrum at 10 K is also shown here.