Cu-Ir, Intermediate valence, Spinel

• Cu-Ir-S
• Cu-Fe-Ir-S
• Cu-Ir-S-Zn
• Cd-Cu-Ir-S
• Cu-In-Ir-S
• electronic and electrical properties
• magnetic properties
• conductivity or resistivity
• phase transitions
• thermal and thermodynamic properties
• spinel
• transitional
• chalcogen
• intermediate valence
• sulfide
• cubic
• tetragonal