Abstract
A detailed analysis of the crystallite shape of zinc oxide produced by thermal decomposition of zinc hydroxynitrate was performed as a function of temperature from 280° to 700°C. The shape and size were analyzed by X‐ray line‐broadening measurements. Evolution from cylinder to right hexagonal prism shapes is observed during annealing of the loose powder. A homothetic growth of crystallites is observed through the initial stage of annealing. Relations between surface area and X‐ray crystallite size are presented and discussed in terms of the packing factor. Results suggest that two parallel growth processes take place during annealing.
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