Alkaline, Quaternary, Japld8

• Ba-Cu-O-Y
• Ba-Cu-La-O
• Ba-Cu-Nd-O
• Cu-La-O-Sr
• Ba-Cu-Gd-O
• structural properties
• phase transitions
• phase diagram
• compressibility
• quaternary
• alkaline
• chalcogen
• transitional
• rare earth
• tetragonal
• orthorhombic