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- Title
Dynamic scaling behaviors of the restricted-solid-on-solid model on honeycomb and square-octagon lattice substrates.
- Authors
Zhang, Zhe; Xun, Zhipeng; Wu, Ling; Chen, Yili; Xia, Hui; Hao, Dapeng; Tang, Gang
- Abstract
The dynamic scaling behaviors of the restricted-solid-on-solid (RSOS) model on two new types of substrate, which are honeycomb and square-octagon lattice substrates, are studied by means of Kinetic Monte Carlo simulations. The growth exponent β and the roughness exponent α defined, respectively, by the surface width via W ~ t and the saturated width via W ~ L , L being the system size, were obtained by a power-counting analysis. Our simulation results show that the Family-Vicsek scaling is still satisfied. However, the structures of the substrates indeed affect the dynamic behavior of the growth model. The values of the roughness exponents fall between regular and fractal lattices. Deeper analysis show that the coordination number of the substrates play an crucial role.
- Subjects
HONEYCOMB structures; LATTICE theory; SCALING laws (Statistical physics); SUBSTRATES (Materials science); COORDINATION number (Chemistry)
- Publication
European Physical Journal B: Condensed Matter, 2017, Vol 90, Issue 5, p1
- ISSN
1434-6028
- Publication type
Article
- DOI
10.1140/epjb/e2017-80129-1