Disordered, Nonmetal, Elasticity, Trigonal

• N-Na-O
• Ga-La-O-Si
• Al-O
• Ge-O-Pb
• Ba-Ge-O-Pb
• elastic stiffness coefficient
• elastic compliance
• pressure derivative of elastic stiffness coefficient
• temperature derivative of elastic stiffness coefficient
• nonmetal
• disordered
• chalcogen
• non-disordered
• conductor