Alkali, Chalcogen, Elasticity, Orthorhombic

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