Antiferromagnetic, Intermediate valence, Cr-Cu, Trigonal

• Cr-Cu-O
• Cr-Cu-Mg-O
• Cr-Cu-S
• Ag-Cr-Cu-O
• magnetic properties
• electronic and electrical properties
• thermal and thermodynamic properties
• structural properties
• Curie-Weiss paramagnetism
• intermediate valence
• transitional
• chalcogen
• antiferromagnetic
• tripolyhedral