Self diffusion coefficients,Di, in liquid Na-K alloy at 373 K have been computed in the linear trajectory approximation of Helfand, with square well as an attractive tail. From the computedDNa andDK, the mutual diffusion coefficient,DNaK has also been determined.DNa,DK andDNaK all increase with increase of concentration of potassium, while the ratio,DNa/DK remains constant (1.45 ± 0.01) over the entire concentration range.
Volume 95, 2021
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