Alkali, Chalcogen, Disordered, Structural transitions, Trigonal

• Bi-Na-O-Ti
• Li-O-Ta
• N-Na-O
• Li-Nb-O
• K-Li-O-S
• temperature for structural transition
• pressure for structural transition
• pressure derivative of transition temperature
• disordered
• chalcogen
• alkali
• nonmetal
• transitional