(Na0.5Ca0.5)2Nb2O6F cF88 227, Chalcogen, Pyrochlore

• Cu-F-Hg-S
• La-O-Ti-Y
• Ca-F-Na-Nb-O
• Cd-F-Nb-O-Sn
• Ag-H-Nb-O-W
• structural properties
• magnetic properties
• magnetic susceptibility
• thermal and thermodynamic properties
• optical properties
• chalcogen
• pyrochlore
• disordered
• transitional
• cubic