Chalcogen, Disordered, Oxide, Structural transitions

• Ba-O-Ti
• Fe-O
• Ca-La-Mn-O
• Mg-Nb-O-Pb-Ti
• K-Na-Nb-O
• temperature for structural transition
• pressure for structural transition
• structural transition
• disordered
• chalcogen
• oxide
• transitional
• nonmetal
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal