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, †
       

The temperature dependence of Raman spectra of MnPS3, FePS3, and NiPS3. The dashed line indicates the softened mode in MnPS3 and the arrows indicate the new modes in FePS3 below TN.