Chalcogen, Transitional, K-O-P-Ti, P-x polyhedra

• K-Nb-O-P-Ti
• K-O-P-Rb-Ti
• K-Na-O-P-Ti
• Hf-K-O-P-Ti
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• mechanical properties
• optical properties
• transitional
• chalcogen
• alkali
• pnictogen
• orthophosphate
• orthorhombic
• cubic
• monoclinic
• trigonal
• tetragonal