Colloidal crystal growth at externally imposed nucleation clusters.

We study the conditions under which and how an imposed cluster of fixed colloidal particles at prescribed positions triggers crystal nucleation from a metastable colloidal fluid. Dynamical density functional theory of freezing and Brownian dynamics simulations are applied to a two-dimensional colloidal system with dipolar interactions. The externally imposed nucleation clusters involve colloidal particles either on a rhombic lattice or along two linear arrays separated by a gap. Crystal growth occurs after the peaks of the nucleation cluster have first relaxed to a cutout of the stable bulk crystal.

• Publication year

  2008

• Venue

  Physical Review Letters

• Publication date

  2008-02-15

• Fields of study

  Medicine, Materials Science, Physics

• Identifiers
  DOI 10.1103/physrevlett.100.108302arXiv 0802.2235PMID 18352237
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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