Nanocrystalline Growth Activation Energy of Zirconia Polymorphs Synthesized by Mechanochemical Technique

Isfahani Taghi Dallali^1,^*, Javadpour Jafar², Khavandi Alireza², Goodarzi Massoud², Rezaie Hamid Reza²

Fig. 7. TEM image of the nanopowders heat treated at a 400 °C and b 420 °C.