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Characterization of LaF3:Tb particles. a TEM images; b crystal lattice planes; c XRD pattern and with standard data quote from JCPDS file no. 32-483; d EDX spectrum; e hydrodynamic size distribution of particles suspended in culture medium supplemented with 10% FBS; and f photoluminescence spectrum of particles obtained in water using an excitation wavelength of 260 nm
