Raman spectra of layered ferroelectric crystal MBiP2X6 (M=Cu, Ag; X=S, Se): an ab initio calculation
HOU Yan, FENG Min, MA Deyuan, WANFG Yufang
Chinese Journal of Light Scattering . 2021, (2): 142 -148 .  DOI: 10.13883/j.issn1004-5929.202102005