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XRD powder patterns of (A) nanotemplate Gd2O3:Eu, (B) Radioluminescent and upconversion nanophosphors (Gd2O2S:Eu@Gd2O2S:Yb/Tm), (C) Radioluminescent and up-conversion nanophosphors, with encapsulated MTX and coated with multiple layers of HL and CS (Gd2O2S:Eu@MTX@Gd2O2S:Yb/Tm@HL/CS).
