PerspectiveMaterials Science

Oriented Assembly of Metamaterials

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Science  10 Jul 2009:
Vol. 325, Issue 5937, pp. 159-160
DOI: 10.1126/science.1174401

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Regular assemblies of colloidal particles have many potential uses from self-assembled electronics to biosensors. Recent advances in particle self-assembly suggest that such assemblies may also provide a simple route to metamaterials at infrared and visible length scales. Such metamaterials may, for example, be used to create cloaking devices or light-based circuits based on manipulations of local optical electric fields rather than on the flow of electrons (1).