Chalcogen, Nonmetal, Oxide, Orthorhombic, Structural transitions

• Ba-O-Ti
• Cu-Ge-O
• Ca-Mn-Nd-O
• Mn-O-Tb
• O-Pb-Zr
• temperature for structural transition
• pressure for structural transition
• structural transition
• nonmetal
• chalcogen
• oxide
• transitional
• disordered