Khollam

• Bi-O-Sr-Ta
• Co-O
• H-N-O-Zr
• Ce-O-Zr
• Co-La-Mn-O
• electronic and electrical properties
• structural properties
• electric polarization
• values of electric polarization
• spontaneous polarization
• chalcogen
• transitional
• quaternary
• pnictogen
• intermediate valence
• orthorhombic