How Do Quasicrystals Grow?

Details How Do Quasicrystals Grow? How Do Quasicrystals Grow?

2007-04-30

arxiv.org/abs/0705.0106v3

Phys. Rev. Lett. 99, pp. 235503 (2007)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 figures. Figures and text have been updated to the final version of the article

Scientific paper

10.1103/PhysRevLett.99.235503

Using molecular simulations, we show that the aperiodic growth of quasicrystals is controlled by the ability of the growing quasicrystal `nucleus' to incorporate kinetically trapped atoms into the solid phase with minimal rearrangement. In the system under investigation, which forms a dodecagonal quasicrystal, we show that this process occurs through the assimilation of stable icosahedral clusters by the growing quasicrystal. Our results demonstrate how local atomic interactions give rise to the long-range aperiodicity of quasicrystals.

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