Al-F, F-x polyhedra, Optical properties, Tetragonal

• Al-F-Sr
• Al-Ce-F-O-Sr
• Al-Ce-F-Na-O-Sr
• Al-F-K
• Al-F-Pb
• luminescence
• refractive index
• phonons
• wavelength for luminescence
• birefringence
• non-disordered
• halogen
• fluoride
• nonmetal
• alkaline