fig3
Figure 3. TEM characterization of GAGG: 2 at% Eu3+ ceramic: (A) SAED pattern, (B) HAADF-STEM image, and (C) EDS elemental mapping. GAGG: Gd3Al3Ga2O12; TEM: transmission electron microscopy; HAADF-STEM: high-angle annular dark-field scanning transmission electron microscopy; SAED: selected area electron diffraction; EDS: energy dispersive spectroscopy.








