Alkali, Chalcogen, Disordered, Ferroelectric, Nonmetal, Structural transitions

• K-Na-Nb-O
• Bi-Na-O-Ti
• H-Li-N-O-S
• H-K-O-P
• K-Li-O-S
• temperature for structural transition
• pressure derivative of transition temperature
• pressure for structural transition
• structural transition
• disordered
• ferroelectric
• alkali
• chalcogen
• nonmetal
• tetragonal
• orthorhombic
• monoclinic
• trigonal
• cubic