Chalcogen, Rare earth, Epjbfy, Orthorhombic

• Ca-Co-O-Pr
• Ca-Co-O-Pr-Y
• Ca-La-Mn-O
• As-Fe-O-Pr
• As-Fe-La-O
• electronic and electrical properties
• magnetic properties
• thermal and thermodynamic properties
• phase transitions
• structural transitions
• rare earth
• chalcogen
• transitional
• lanthanoid
• quaternary