Abstract
Gamma-irradiation has been applied to synthesize pure iron oxide nanorod particles in acid medium of pH 5.0, pure submicron sized particles of ferriferrous oxide with bullet-shaped morphology in alkaline medium at pH 12 and a mixture of iron oxide and ferriferous oxide fanlike morphology in nearly neutral medium of pH 7.2. It has been proven that the morphology of the prepared oxides is strongly dependent on the pH value of the solution before irradiation. The mechanism of formation of these oxides is also suggested.
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