Abstract

The differential equation governing the growth rate of Guinier-Preston zones growing by the vacancy pump mechanism cannot be solved exactly. Numerical solutions were obtained for a variety of growth parameter values. An analytic approximation for the solution of the growth equation is proposed, and it is shown that this approximation represents the true solution within 2 % accuracy. It is shown that this approximation allows the initial complex concentration and diffusion coefficient to be obtained from the appropriate experimental data.

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