Formation, compression and surface melting of colloidal clusters by active particles

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2015
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Kümmel, Felix
Shabestari, Parmida
Volpe, Giovanni
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Soft Matter. 2015, 11(31), pp. 6187-6191. ISSN 1744-683X. eISSN 1744-6848. Available under: doi: 10.1039/C5SM00827A
Zusammenfassung

We demonstrate with experiments and numerical simulations that the structure and dynamics of a suspension of passive particles is strongly altered by adding a very small (<1%) number of active particles. With increasing passive particle density, we observe first the formation of dynamic clusters comprised of passive particles being surrounded by active particles, then the merging and compression of these clusters, and eventually the local melting of crystalline regions by enclosed active particles.

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ISO 690KÜMMEL, Felix, Parmida SHABESTARI, Celia LOZANO, Giovanni VOLPE, Clemens BECHINGER, 2015. Formation, compression and surface melting of colloidal clusters by active particles. In: Soft Matter. 2015, 11(31), pp. 6187-6191. ISSN 1744-683X. eISSN 1744-6848. Available under: doi: 10.1039/C5SM00827A
BibTex
@article{Kummel2015Forma-39260,
  year={2015},
  doi={10.1039/C5SM00827A},
  title={Formation, compression and surface melting of colloidal clusters by active particles},
  number={31},
  volume={11},
  issn={1744-683X},
  journal={Soft Matter},
  pages={6187--6191},
  author={Kümmel, Felix and Shabestari, Parmida and Lozano, Celia and Volpe, Giovanni and Bechinger, Clemens}
}
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