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The electrical properties of the oxide film formed from the high-temperature oxidation of nickel have been evaluated using impedance spectroscopy. The impedance measurements were carried out on already oxidised films at temperatures ranging from 100 to 300 o C. The conductivity of the oxide film, σ, was obtained as σ=0.19exp[-0.39 eV/(kT)] Ω -1 m -1 , with an activation...
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