Fig. 5
STEM images of the non-calcined nanostructure used for 3D reconstruction (the round particles are Au beads used for image alignment): (a) STEM-BF image, b STEM-DF image, c STEM tomography visualization of Side views NiCoFe2O4 nanoflower and (d) STEM tomography visualization of a cross-section of the nanoflower revealing the petal structure in 3D