Ba3(Cu0.75Y0.25)2O5.5 oI24 71

• Ba-Cu-O-Y
• Ba-Cu-Ho-O
• Ba-Cu-O-Yb
• Ba-Cu-Er-O
• Mn-Nd-O-Sr
• structural properties
• fusion
• temperature for congruent melting
• phase transitions
• transitional
• chalcogen
• alkaline
• oxide
• quaternary
• orthorhombic