Spontaneous patterning of quantum dots at the air-water interface

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

doi:10.1103/PhysRevE.59.R6255

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

University of California at Los Angeles

Research output: Contribution to journal › Article › peer-review

192 Scopus citations

Abstract

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 language	English
Pages (from-to)	R6255-R6258
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	59
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevE.59.R6255
State	Published - 1999
Externally published	Yes

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10.1103/PhysRevE.59.R6255

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title = "Spontaneous patterning of quantum dots at the air-water interface",

abstract = "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.",

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AB - 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.

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Spontaneous patterning of quantum dots at the air-water interface

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