Na3AlF6 mP20 14, Rare earth

• Eu-O-Ta
• Cl-Na-Y
• F-Na-Sc
• F-Gd-K
• Cl-Gd-Na
• structural properties
• magnetic properties
• phase transitions
• structural transitions
• temperature for structural transition
• rare earth
• halogen
• alkali
• non-disordered
• ternary
• monoclinic
• cubic
• tetragonal