Alkali, Ferroelectric, Nonmetal, Transitional, Elastic stiffness coefficient

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