Abstract
The theory of conduction in discontinuous metal films proposed by Neugebauer and Webb has been amplified to take into account electron transfer between charged island species other than charged to neutral island transfers. The effect on the resistivity has been shown to be slight, but the predicted values of temperature coefficient of resistance agree more closely with experiment for films of nickel and nickel-chromium deposited at 2 × 10 -5 torr. It has not been possible to test the theory for films deposited at 7 × 10 -7 torr, because the large island and gap sizes found in these films either give films that are open circuit or that have near metallic behaviour.
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