Spontaneous patterning of quantum dots at the air-water interface

Richard P. Sear, Sung Wook Chung, Gil Markovich, William M. Gelbart*, James R. Heath

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

183 Scopus citations


Nanoparticles deposited at the air-water interface are observed to form circular domains at low density and stripes at higher density. We interpret these patterns as equilibrium phenomena produced by a competition between an attraction and a longer-ranged repulsion. Computer simulations of a generic pair potential with attractive and repulsive parts of this kind, reproduce both the circular and stripe patterns. Such patterns have a potential use in nanoelectronic applications.

Original languageEnglish
Pages (from-to)R6255-R6258
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Issue number6
StatePublished - 1999
Externally publishedYes


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