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

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