Self-Intercalated Cr₅S₆

Room-Temp Ferrimagnet

Self-intercalation of Cr atoms yields a 2D ferrimagnetic Cr₅S₆ with robust room-temperature ordering and half-metallic character, overcoming the low Curie temperature and ambient instability typical of existing 2D magnetic materials.

Bicheng, Wang · Yu, Yao · Hong, Wenting · He, Xu · Jian, Chuanyong · Zhaoan, Hong · Cai, Qian · Liu, Wei

Small 2026

Advantages

Cr₅S₆ is a room-temperature ferrimagnet (T_C > 300 K)

Cr₂S₃ is ferrimagnetic below 120 K

CrS is antiferromagnetic

Cr₅S₆ exhibits half-metallic character