Bulletin of the American Physical Society
2009 APS March Meeting
Volume 54, Number 1
Monday–Friday, March 16–20, 2009; Pittsburgh, Pennsylvania
Session Z28: Nanotechnology II
11:15 AM–1:27 PM,
Friday, March 20, 2009
Room: 330
Sponsoring
Unit:
FIAP
Chair: Keith Williams, University of Virginia,
Abstract ID: BAPS.2009.MAR.Z28.4
Abstract: Z28.00004 : A new method of nano-manipulation with AFM derived from nanotribology*
11:51 AM–12:03 PM
Preview Abstract
Abstract
Authors:
Suenne Kim
(Department of Physics, University of Texas at Austin)
Daniel Ratchford
Xiaoqin Li
Based on principles of nanotribology, a new approach is explored for manipulating nanoparticles (ranging from 5nm to 60nm in diameter) with an Atomic Force Microscope (AFM). In this new approach, one first kicks a nanoparticle. Immediately following the kicking event, static friction is greatly reduced. One can then dribble the nanoparticle to the desired position in the tapping (imaging) mode of the AFM. The major advantage of this scheme lies in the active manipulation with simultaneous visual feedback. Our study revealed the mechanism for the nano-displacement is primarily governed by the ``stick'' events of the stick-slip process. We also found that the manipulation can be effectively controlled by adjusting the scanning speed, and the critical speed depends on the local roughness of the surface.
*This research is supported by NSF DMR-0747822, NSF-IGERT, Welch Fundation grant F-1662 and ONR grant N00014-08-1-0745.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2009.MAR.Z28.4
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