I12/a1, Nonmetal

• La-Mn-O
• Bi-Co-O-Sr
• Bi-Co-O-Pb-Sr
• Ge-Ho-O
• Co-La-O-Sr
• electronic and electrical properties
• thermal and thermodynamic properties
• magnetic properties
• phase transitions
• conductivity or resistivity
• nonmetal
• chalcogen
• transitional
• non-disordered
• ternary
• monoclinic