Chalcogen, Nonmetal, Oxide, Structural transitions, Trigonal

• Bi-Fe-O
• O-V
• Bi-Na-O-Ti
• Ba-O-Ti
• O-Pb-Ti-Zr
• temperature for structural transition
• pressure for structural transition
• pressure derivative of transition temperature
• structural transition
• oxide
• nonmetal
• chalcogen
• transitional
• ferroelectric