Chalcogen, Transitional, Piezoresistivity - pressure diagram

• Bi-Fe-O
• O-Pb-Ti-Zr
• Ba-O-Ti
• Bi-Fe-Nd-O
• Bi-O-Sr-Ta
• transitional
• chalcogen
• ferroelectric
• nonmetal
• disordered
• orthorhombic
• tetragonal
• trigonal
• cubic
• monoclinic