Raman scattering study of magnetic layered MPS3 crystals ( M = Mn , Fe, Ni)
Wang Yi-Meng1, Zhang Jian-Feng1, Li Cheng-He1, Ma Xiao-Li2, Ji Jian-Ting2, Jin Feng1, Lei He-Chang1, Liu Kai1, Zhang Wei-Lu3, Zhang Qing-Ming2, 4, †
       

(a) Unpolarized Raman spectrum of NiPS3 at room temperature. (b) Polarized Raman spectrum of NiPS3 at room temperature under different polarization configurations. (c) The angle-dependent Raman spectrum of NiPS3 in parallel polarization channel. (d) The angle-dependent Raman spectrum of NiPS3 in cross polarization channel.