Chalcogen, Conductor, Vibrational spectra

• Cu-La-O-Sr
• H-N-O-Se
• Ba-Cu-O-Y
• O-Sr-Ti
• Cs-H-O-S
• chalcogen
• conductor
• transitional
• semiconductor
• non-disordered
• tetragonal
• orthorhombic
• monoclinic
• cubic
• trigonal