Conductor, Transitional, Sound velocity

• Ba-Cu-O-Y
• Ba-Ca-Cu-O-Y
• Bi-Ca-Cu-O-Sr
• Ba-Cu-Eu-O
• Cr-Ru
• longitudinal sound velocity
• values of sound velocity
• transverse sound velocity
• conductor
• transitional
• metal
• disordered
• chalcogen
• cubic
• orthorhombic
• tetragonal
• hexagonal
• monoclinic