Enhanced performance in atomic force microscopy.

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Enhanced performance in atomic force microsco ...
Zhichong Li
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Last edited by WorkBot
January 24, 2010 | History

Enhanced performance in atomic force microscopy.

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Atomic force microscopy had and continues to have a substantial impact on nano-sciences and technologies. However, the low atomic force microscope (AFM) scanning speed continues to be a major obstacle that impedes the widespread adoption of AFM based systems. This dissertation presents solutions to this problem mainly through the selection of the AFM microcantilevers and the application of adaptive controllers. More specifically, with respect to the contact mode of operation, modeling and adaptive control of a moving base microcantilever and of a microcantilever with an integrated piezoactuator and a piezoresistive sensor are presented. With respect to the tapping mode of operation, a model of a microcantilever with an integrated piezoelectric actuator is presented, and a traditional PI controller is used to reconstruct the sample surface profile. The proposed approaches offer the potential of using high scanning speeds while providing accurate sample surface profile reconstruction.

Publish Date
Language
English
Pages
123

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Edition Notes

Source: Masters Abstracts International, Volume: 45-03, page: 1645.

Thesis (M.A.Sc.)--University of Toronto, 2006.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

Pagination
123 leaves.
Number of pages
123

ID Numbers

Open Library
OL19551755M
ISBN 13
9780494212837

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January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page