Chalcogen, O-Zr, Phase transitions, Zr-x polyhedra

• O-Pb-Ti-Zr
• O-Pb-Zr
• La-O-Pb-Ti-Zr
• O-W-Zr
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• transitional
• chalcogen
• disordered
• oxide
• cubic
• trigonal
• orthorhombic
• monoclinic
• tetragonal