Chalcogen, Conductor, Oxide, Transitional, Longitudinal sound velocity

• Ba-Cu-O-Y
• La-Mn-O-Sr
• Co-Fe-O-Zn
• Ba-Cu-Eu-O
• Ba-Ca-Cu-O-Y
• transitional
• oxide
• chalcogen
• conductor
• disordered
• orthorhombic
• cubic
• tetragonal
• monoclinic
• trigonal