question archive 1) (a) Derive a relation for the oxygen pressure dependence of electrical conductivity in NiO

1) (a) Derive a relation for the oxygen pressure dependence of electrical conductivity in NiO

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1) (a) Derive a relation for the oxygen pressure dependence of electrical conductivity in NiO.

(b) Discuss the effects of Cr2O3 additions on the electrical conductivity of NiO, giving equations describing the temperature at which the conductivity changes from intrinsic to extrinsic in relation to the impurity concentration.

 

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