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Fabrication of Isolated Nanoparticle Circuitry Via Lensless Optical Tweezing (“L. O. T. s”)

Published online by Cambridge University Press:  10 February 2011

M. T. Dearing  and
G. C. Spalding
M. T. Dearing
Affiliation:
Laboratory for Mesoscopics and Quantum Microscopies and Department of Physics, Illinois Wesleyan University, Bloomington, Illinois 61702–2900, [email protected]
G. C. Spalding
Affiliation:
Laboratory for Mesoscopics and Quantum Microscopies and Department of Physics, Illinois Wesleyan University, Bloomington, Illinois 61702–2900, [email protected]
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Abstract

We propose a novel method for trapping a nanometer-scale particle into a stable structure useful for a variety of interesting electrical measurements. The particle to be trapped can be dielectric or metallic, magnetic or non-magnetic. Our methodology was developed, in part, to ensure the absence of extraneous nanoparticles in the region of the device under test; it also allows a possible feedback mechanism to indicate when a nanoparticle has been successfully trapped. In particular, we irradiate a substrate containing a tiny etch-pit hole. On the transmission side of the substrate, the diffracted or evanescent optical fields should contain large enough gradients to localize a nanoparticle to the region of the hole.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 584 , 1999 , 325
Copyright
Copyright © Materials Research Society 2000

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