Chalcogen, Conductor, Semiconductor, Infrared spectra

• Fe-Ni-O
• Co-Fe-O
• Fe-Ni-O-Zn
• Fe-Mg-O
• Cu-La-O-Sr
• semiconductor
• chalcogen
• conductor
• transitional
• oxide
• cubic
• orthorhombic
• monoclinic
• tetragonal
• trigonal