Abstract

The characteristics of sub-micron scale crystalline–crystalline interface roughness in CuInSe 2 thin films have been studied using transmission electron microscopy. The interface is formed by local recrystallization of CuInSe 2 films using electron beam irradiation in a transmission electron microscope. Analysis of the interface data obtained from the electron micrographs suggested that the interface shows self-affine fractal scaling with a static scaling exponent of 0.97±0.02.

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