Dynamics of self assembly of magnetized disks rotating at the liquid-air interface

Bartosz A. Grzybowski, Howard A. Stone, George M. Whitesides

Research output: Contribution to journalArticle

53 Scopus citations

Abstract

This paper is a theoretical study of dynamic self assembly in a system of millimeter-sized magnetized disks floating at a liquid-air interface and spinning under the influence of a rotating magnetic field. Equations of motions are derived that account for the hydrodynamic and magnetic forces acting in the system. Numerical integration of these equations predicts formation of ordered structures of spinning disks; the simulated structures reproduce the patterns observed experimentally.

Original languageEnglish (US)
Pages (from-to)4147-4151
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume99
Issue number7
DOIs
StatePublished - Apr 2 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General

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