Crystal Defects and Cation Redistribution Study on Nanocrystalline Cobalt-Ferri-Chromites by Positron Annihilation Spectroscopy
Figure 2
Transmission electron micrographs of CoCrxFe2−xO4 system for (a) , (b) 1.0, and (c) 1.6 compositions. The insets show the enlarged images of grains in each case.