Alkali, Transitional, Structural transitions, Tetragonal

• K-Na-Nb-O
• Bi-Na-O-Ti
• As-Ba-Fe-K
• Ba-Bi-Na-O-Ti
• K-Li-Na-Nb-O-Sb
• temperature for structural transition
• pressure for structural transition
• structural transition
• alkali
• transitional
• chalcogen
• oxide
• disordered