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The formation and electrical properties of high surface area NiO/Al2O3 nanocomposite materials with composition ranging from 5 to 30% w/w have been studied. The temperature dependence of the DC electrical resistivity was monitored in the temperature range 350–600 K. The results revealed correlation between electrical resistivity and textural properties. The conductivity results were discussed in terms of variable-range-hopping mechanism.
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Makhlouf et al. (2005) studied this question.
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