Hexagonal, Na-Y

• F-Na-Y
• Na-O-Si-Y
• Ce-Na-O-Si-Y
• Ir-Na-O-Y
• Na-O-Si-Tb-Y
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• thermal expansion
• phase transitions
• transitional
• rare earth
• alkali
• disordered