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Physical Review B
The initial stage of vacuum evaporated tetracene films on hydrogen-passivated Si͑100͒ substrates has been investigated using ex situ atomic force microscopy. Three-dimensional ͑3D͒ islands and dendrites are obtained at low deposition rates near equilibrium growth conditions. By increasing the deposition rate to a proper range away from equilibrium conditions, terraced grains are formed with layers of standing molecules and good film connectivity. 3D grains with a high aspect ratio appear oncedoi:10.1103/physrevb.73.121303 fatcat:pwitwaxudna2tlnp2xk3tawv4i