Figure 5. Growth balance point evolution and oscillation during in-plane growth.

The blue (or orange) line in a represents the evolution trend of the rear deposition (the front absorption) rate as a function of the Si concentration (C_Si), while the green one stands for the product of the absorption flux with a geometry-dependent pre-factor of h_a/α²H_c; (b) Illustrates the coincided balance points achieved when the pre-factor term h_a/α²H_c=1, and their periodic oscillation around the balance points.