Conductor, Disordered, Semiconductor, Orthorhombic, Sound velocity

• Ba-Cu-O-Y
• Ca-La-Mn-O
• Ca-O-Ti
• Cu-La-O-Sr
• Ba-Cu-Gd-O
• longitudinal sound velocity
• transverse sound velocity
• values of sound velocity
• conductor
• semiconductor
• disordered
• chalcogen
• transitional