Abstract
A two-phase epilayer on a substrate may exhibit intriguing behaviors. The phases may select stable sizes, say on the order of 10 nm. The phases sometimes order into a periodic pattern, such as alternating stripes or a lattice of disks. The patterns may be stable on annealing. This paper describes an irreversible thermodynamic model that accounts for these behaviors. The phase boundary energy drives phase coarsening. The concentration-dependent surface stress drives phase refining. Their competition may stabilize nanoscopic phases and periodic patterns.
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Suo, Z., Lu, W. (2000). Self-organizing Nanophases on a Solid Surface. In: Chuang, T.J., Rudnicki, J.W. (eds) Multiscale Deformation and Fracture in Materials and Structures. Solid Mechanics and Its Applications, vol 84. Springer, Dordrecht. https://doi.org/10.1007/0-306-46952-9_7
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DOI: https://doi.org/10.1007/0-306-46952-9_7
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