Cu-Ge-O, Ge-x polyhedra, Tetragonal, Transitional

• Ba-Cu-Ge-O
• Ce-Cu-Ge-O-Sr-Y
• Cu-Ge-O-Sr
• Cu-Ge-In-O-Zn
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• magnetic properties
• magnetic transitions
• chalcogen
• metalloid
• transitional
• alkaline