The T2electrical resistivity in nickel and palladium alloys

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Abstract
The electrical resistivities of some dilute binary alloys based on palladium and of two series of dilute ternary alloys based on nickel and palladium have been measured at low temperatures, where the temperature dependent resistivity is proportional to T2. It is found that the value of A, the coefficient of T2, depends strongly on the kind of impurity present and that this variation can be greatly enhanced by studying selected ternary systems. For such alloys A varies by more than a factor of two across a narrow concentration range. The authors interpret the results as indicating the modification of the temperature dependent resistivity in metals where there are two (or more) groups of carriers with impurity resistivity ratios that very widely from one impurity to the next. Within this framework it is not necessary to include spin mixing effects to explain the results in the alloys based on nickel.

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