Variation of metal-insulator transition and formation of bipolarons by the Cd-doping in the thiospinel system of Cu${}_{1-x}$Cd${}_x$Ir${}_2$S${}_4$

Guanghan Cao, Hideaki Kitazawa, Takehiko Matsumoto +1

The pseudo-binary thiospinel system Cu${}_{1-x}$Cd${}_x$Ir${}_2$S${}_4$ was investigated by the x-ray diffraction, electrical resistivity, magnetic susceptibility and specific heat m…