Alkali, Chalcogen, Nonmetal, Elasticity, Orthorhombic

• C-K-N-S
• H-K-N-O-S
• K-Li-Na-Nb-O-Sb
• Ba-K-N-O
• O-P-Rb-Ti
• elastic stiffness coefficient
• elastic compliance
• pressure derivative of elastic stiffness coefficient
• chalcogen
• nonmetal
• alkali
• ferroelectric
• disordered