Chalcogen, Non-disordered, Oxide, Na-Nb-O, Phase transitions

• K-Na-Nb-O
• Ba-Na-Nb-O
• Ba-Na-Nb-O-Zr
• Li-Na-Nb-O
• structural transitions
• temperature for structural transition
• fusion
• temperature for congruent melting
• pressure derivative of transition temperature
• oxide
• non-disordered
• alkali
• chalcogen
• transitional
• orthorhombic
• monoclinic
• trigonal
• tetragonal
• cubic