Alkali, Structural transitions

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