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

• Ba-Cu-Ge-O
• Cu-Ge-O-Si
• Cu-Ge-H-N-O
• Ba-Cu-Ge-H-O
• magnetic properties
• thermal and thermodynamic properties
• magnetic susceptibility
• phase transitions
• structural transitions
• chalcogen
• metalloid
• transitional
• non-disordered
• oxide