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Products
Chalcogen, Luminescent, Nonmetal, Rare earth, Wavelength for luminescence
B-Eu-Gd-O
Nd-O
Ce-Gd-O-Si
Na-O-Si-Tb-Y
Bi-Eu-Se
nonmetal
rare earth
luminescent
chalcogen
lanthanoid
monoclinic
tetragonal
trigonal
cubic
hexagonal