Chalcogen, Conductor, Semiconductor, Transitional, Kim, Trigonal

• Bi-Fe-O
• Fe-Lu-O
• Bi-Na-O-Ti
• Ba-Co-Fe-O
• Co-La-O-Sr
• magnetic properties
• electronic and electrical properties
• magnetization
• optical properties
• structural properties
• transitional
• conductor
• semiconductor
• chalcogen
• oxide