K2LiInF6

K2LiInF6 is a lithium-based fluoride ceramic compound belonging to the elpasolite family of materials, characterized by a mixed-cation fluoride structure. This material is primarily investigated in research contexts for optical and photonic applications, particularly as a host matrix for rare-earth dopants in laser crystals and scintillators, where its fluoride composition offers excellent optical transparency and favorable phonon energies for luminescence. The combination of lithium and indium fluorides makes it of interest for next-generation solid-state lasers, radiation detectors, and potentially for solid-state lighting applications where thermal stability and optical clarity are critical.