Ca-F, Disordered, F-x polyhedra, Phase transitions

• Ca-F-Y
• Ca-F-Yb
• Ca-Er-F
• Ca-F-Nd
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• halogen
• disordered
• alkaline
• fluoride
• cubic
• monoclinic
• hexagonal
• trigonal
• tetragonal