SEARCH Articles Figures Tables Crystal perylene-doped Crystals erbium-doped Doped Liquid Crystals Doped alkali halide crystals Doped crystals Doping of crystals Dye-doped liquid crystals Lasers erbium-doped crystals Liquid crystal phases, nanoparticle-doped Neodymium doped laser crystals Protein-doped crystals States electronic, doped crystals