Conductor, Non-disordered, Infrared spectra

• As-Ba-Fe
• Fe-Ni-O
• Co-Fe-O
• Fe-Mg-O
• Bi-Fe-O
• non-disordered
• conductor
• transitional
• semiconductor
• chalcogen
• cubic
• orthorhombic
• tetragonal
• monoclinic
• trigonal