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For the first time it was demonstrated that nanocrystalline hafnia powders i.e. both the thermodynamically stable monoclinic phase and the metastable cubic phase could be synthesized by tailoring the nitrite to nitrate mole ratio (Φ) of the eutectic mixtures containing KNO3, NaNO3 and NaNO2. All these nanocrystalline HfO2 powders were characterized for their bulk density, size distribution of particles,...
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