Citation: Iyer, Abishek K.; Yin, Wenlong; Lee, Emma J.; Lin, Xinsong; Mar, Arthur (2017). Quaternary rare-earth sulfides RE 3 M 0.5 GeS 7 (RE=La--Nd, Sm; M=Co, Ni) and Y 3 Pd 0.5 SiS 7. Journal of Solid State Chemistry, 250, pp. 14-23.
Formula: Co0.5 Ge S7 Sm3
Chemical name:samarium cobalt germanium sulfide (3/0.5/1/7)