All 3-vertex, Non-disordered, Transitional, Orthorhombic

• Ba-Cu-O-Y
• Cu-La-O
• La-Mn-O
• Mn-O-Tb
• Bi-Ca-Cu-O-Pb-Sr
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• magnetic properties
• phase transitions
• non-disordered
• transitional
• chalcogen
• ternary