The fractal formation and V-I behavior of the Au/Ge bilayer film have been
investigated with a transmission electron microscope and by the two-probe c
onfiguration method. The experimental results suggest that the Au/Ge bilaye
r film, after the fractal crystallization, shows a nonlinear V-I behavior.
This phenomenon was explained by the random tunneling junction model. (C) 2
001 American Institute of Physics.