F-La, F-x polyhedra, Optical properties, Trigonal

• B-F-La
• F-La-O-S
• Co-F-Fe-La-O-Sr
• Eu-F-La-O
• phonons
• optical spectra
• X-ray photoemission spectra
• Raman spectra
• Brillouin spectra
• rare earth
• lanthanoid
• disordered
• halogen
• transitional