Chalcogen, Oxide, Pnictogen, Kharitonova

• Bi-O-W
• Bi-O-Sb-W
• Bi-O-Ti-W
• Bi-Ga-O-Ti-W
• K-O-P-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• temperature for structural transition
• transitional
• pnictogen
• oxide
• chalcogen
• ferroelectric
• orthorhombic
• monoclinic
• cubic
• tetragonal