Alkali, Chalcogen, Disordered, Sound velocity

• Mo-O-Rb
• Ba-Na-Nb-O
• Na-S
• Li-S
• Ba-K-N-O
• values of sound velocity
• longitudinal sound velocity
• transverse sound velocity
• chalcogen
• disordered
• alkali
• nonmetal
• conductor
• cubic
• orthorhombic
• tetragonal
• monoclinic
• hexagonal