Dynamics of pattern coarsening in a two-dimensional smectic system.

  title={Dynamics of pattern coarsening in a two-dimensional smectic system.},
  author={Christopher A. Harrison and Zhengdong Cheng and Srinivasan Sethuraman and David A Huse and Paul M Chaikin and Daniel A. Vega and John M Sebastian and Richard A Register and Douglas H. Adamson},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={66 1 Pt 1},
We have followed the coarsening dynamics of a single layer of cylindrical block copolymer microdomains in a thin film. This system has the symmetry of a two-dimensional smectic. The orientational correlation length of the microdomains was measured by scanning electron microscopy and found to grow with the average spacing between +/-1/2 disclinations, following a power law xi2(t) approximately t(1/4). By tracking disclinations during annealing with time-lapse atomic force microscopy, we observe… CONTINUE READING
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