Temperature for ferroelectric reordering

• O-Pb-Zr
• In-S-Tl
• Ba-O-Ti
• K-Na-Nb-O
• Dy-Mn-O
• chalcogen
• transitional
• ferroelectric
• nonmetal
• oxide
• orthorhombic
• trigonal
• tetragonal
• monoclinic
• cubic