Nonmetal, Oxide, Piezoresistivity - pressure diagram, Tetragonal

• Ba-O-Ti
• Ba-O-Pb-Ti-Zr
• Ba-Ca-O-Ti-Zr
• Ba-O-Ti-Zr
• Ba-Bi-Na-O-Ti
• oxide
• transitional
• nonmetal
• chalcogen
• ferroelectric