Alkali, Chalcogen, Disordered, Transitional, Elastic stiffness coefficient

• Ba-Na-Nb-O
• K-O-P-Ti
• O-P-Rb-Ti
• Li-Nb-O
• Fe-Na-O-Si
• disordered
• transitional
• alkali
• chalcogen
• oxide
• orthorhombic
• tetragonal
• trigonal
• cubic
• monoclinic