Abstract

The influence of the pH and temperature of the electroless solution on the electrical characteristics of the deposited NiP thin films has been determined. The phosphorous content of the films increases when the pH of the solution is decreased giving rise to a diminution of the temperature coefficient of the resistance (TCR). Low TCR films (TCR ⩽ 100 ppm °C −1 are obtained for pH = 3.4. In this pH range the deposition rate can be increased by heating the electroless solution to moderate temperatures.

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