Abstract
We demonstrate coaxial atomic force microscope (AFM) tweezers that can trap and place small objects using dielectrophoresis (DEP). An attractive force is generated at the tip of a coaxial AFM probe by applying a radio frequency voltage between the center conductor and a grounded shield; the origin of the force is found to be DEP by measuring the pull-off force versus applied voltage. We show that the coaxial AFM tweezers can perform three-dimensional assembly by picking up a specified silica microsphere, imaging with the microsphere at the end of the tip, and placing it at a target destination.
References
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Dates
Type | When |
---|---|
Created | 15 years, 5 months ago (March 25, 2010, 6:39 p.m.) |
Deposited | 2 years, 2 months ago (June 22, 2023, 8:45 p.m.) |
Indexed | 1 month ago (July 30, 2025, 6:54 a.m.) |
Issued | 15 years, 5 months ago (March 22, 2010) |
Published | 15 years, 5 months ago (March 22, 2010) |
Published Online | 15 years, 5 months ago (March 24, 2010) |
Published Print | 15 years, 5 months ago (March 22, 2010) |
@article{Brown_2010, title={Coaxial atomic force microscope tweezers}, volume={96}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3372621}, DOI={10.1063/1.3372621}, number={12}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Brown, K. A. and Aguilar, J. A. and Westervelt, R. M.}, year={2010}, month=mar }