Alkali, Chalcogen, Disordered, Mechanical properties, Tetragonal

• H-K-O-P
• B-Li-O
• Ba-Na-Nb-O
• H-O-P-Rb
• As-H-K-O
• elastic moduli
• isothermal bulk modulus
• elasticity
• elastic stiffness coefficient
• sound velocity
• disordered
• alkali
• chalcogen
• transitional