Alkali, Disordered, Nonmetal, Transitional, Elastic stiffness coefficient

• Ba-Na-Nb-O
• K-O-P-Ti
• O-P-Rb-Ti
• Li-Nb-O
• K-Li-Na-Nb-O-Ta
• transitional
• disordered
• alkali
• nonmetal
• ferroelectric
• orthorhombic
• tetragonal
• cubic
• trigonal