Alkali, Transitional, Orthorhombic, Structural transitions

• Na-Nb-O
• As-Ba-Fe-K
• Cl-Rb-Zn
• Na-O-V
• K-Na-Nb-O
• temperature for structural transition
• pressure for structural transition
• pressure derivative of transition temperature
• transitional
• alkali
• chalcogen
• oxide
• nonmetal