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Theoretical study of binary alloy thin film growth [electronic resource]

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  • Binary Systems (Metallurgy)
  • Thermal Diffusivity.
  • Phase Diagrams.
  • Phase Transformations (Statistical Physics)


Computer simulations of the growth of binary alloy thin films in two and three dimensions were performed using an extension of the Solid on Solid model. Snapshots for a range of interactions and diffusion rates are presented and critically compared to experiment. A wide variety of distinct phases is identified and their growth conditions analyzed. These findings are summarized in a phase diagram. In addition, a fractal analysis of the domains is performed. It is found that for negative interactions the islands are two-dimensional, while for positive interactions, regardless of diffusion rate, a fractal dimension of 1.78 is obtained.

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