Chalcogen, Conductor, Disordered, Transverse sound velocity

• Ba-Cu-O-Y
• Na-S
• Li-S
• Ba-Cu-Eu-O
• O-W-Zn
• disordered
• chalcogen
• conductor
• transitional
• semiconductor
• cubic
• orthorhombic
• tetragonal
• trigonal
• monoclinic