Dynamics of Morphological Formation Affected by Processing Parameters in Chemical Bath Deposition

Attracting by the simple processes with wide applications, even for a long time of development the chemical bath deposition method is still one of the most popular techniques utilized in many modern and advanced manufacturing fields. In this study, a numerical model is applied to explore the formation mechanisms of a chemical bath deposition and rebuilt the structural evolution of precipitation films during this process. Regarding to the feasibility of this model, various experimental parameters affecting the structural morphologies are taken into consideration to theoretically reveal their influences in the chemical bath deposition process. One of the major contributions in this study is on the characterization of the anisotropic growth with a three-dimensional anisotropic model in a chemical bath deposition, which is unique to the related studies. The factors, including the deposition rate, the preferred growth orientation and diffusion rate are systematically inspected to form miscellaneous surface profiles. From the numerical results, it shows that the pyramid-like surface morphology could be transferred into a four-fold symmetry mountain-like surface morphology by the preferred growth orientation. These numerical simulations visualize the processes of the nucleation and growth of precipitations during a chemical bath deposition. The theoretical model provides a favorable tool for the technological developments of chemical bath deposition.

Automated summary

In this study, a numerical model is applied to explore the formation mechanisms of a chemical bath deposition and rebuilt the structural evolution of precipitation films during this process. It was found that the pyramid-like surface morphology could be transferred into a four-fold symmetry mountain-like surface morphology by the preferred growth orientation. These numerical simulations provide a favorable tool for the technological developments of chemical bath deposition.