@article{cf245cbb9be049fd829f8f729e1f4500,
title = "Direct visualization of dislocation dynamics in grain-boundary scars",
abstract = "The structural features and the equilibrium dynamics of micrometer-scale spherical crystals formed by polystyrene particles adsorbed on the surface of a spherical water droplet were analyzed. Rapid dislocation glide with fluctuations over the barriers separating one local Peierls minimum from the next and rather weak binding of dislocations to their associated scars were observed. The long-distance dislocation diffusion glide constant was extracted directly from the experimental data and was found to be moderately faster than single-particle diffusion. The parameters of the Peierls potential induced by the underlying crystalline lattice were determined.",
author = "Peter Lipowsky and Bowick, {Mark J.} and Meinke, {Jan H.} and Nelson, {David R.} and Bausch, {Andreas R.}",
note = "Funding Information: This work was supported by BA2029/5 and partly by the Fonds der Chemischen Industrie. The work of M.J.B. and J.H.M. was supported by the National Science Foundation through Grant No. DMR-0219292 (ITR). The work of D.R.N. was supported by the National Science Foundation through the Harvard Material Research Science and Engineering Laboratory through Grant No. DMR-0213805 and Grant No. DMR-0231631. We thank J{\"o}rg Schilling for the help he provided with imaging processing and Angelo Cacciuto and James McCullough for the Java Applets containing the triangulation routines. We are grateful for valuable discussions with Alex Travesset and M. Nikolaides. Correspondence and requests for materials should be addressed to A.R.B. or M.J.B. Supplementary Information accompanies the paper on www.nature.com/naturematerials.",
year = "2005",
month = may,
doi = "10.1038/nmat1376",
language = "English (US)",
volume = "4",
pages = "407--411",
journal = "Nature Materials",
issn = "1476-1122",
publisher = "Nature Publishing Group",
number = "5",
}