Abstract
In this paper, a free-accessible code for High-throughput Determination of Interdiffusion Coefficients (HitDIC, https://hitdic.com/) based on the numerical inverse method is introduced. HitDIC is developed to robotize the procedures to retrieve the reliable composition-dependent interdiffusivities from the experimental composition profiles of single or multiple diffusion couples by minimizing the misfit between the experimental and model-predicted compositions profiles. The code is an efficient C++ implementation and provided as a free-accessible one, as well as demos and assistant toolkits. The underlying physics and mathematics of the modules of HitDIC, (i.e., database, simulation, error and minimization modules) are also demonstrated. Such an implementation is further proved to be feasible and reliable according to the results and discussion of the benchmarks and real cases. Moreover, some hints for the usage of HitDIC are also given.
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