Conductor, Transitional, Infrared spectra

• As-Ba-Fe
• Fe-Ni-O
• Co-Fe-O
• As-Ba-Co-Fe
• Cu-La-O-Sr
• transitional
• conductor
• chalcogen
• semiconductor
• non-disordered
• cubic
• orthorhombic
• tetragonal
• monoclinic
• trigonal