Microscale application of column theory for high resolution force and displacement sensing

B. A. Samuel; A. V. Desai; M. A. Haque

doi:10.1063/1.1989440

Microscale application of column theory for high resolution force and displacement sensing

B. A. Samuel, A. V. Desai, M. A. Haque

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We present the design, fabrication, and experimental validation of a device which exploits the amplification of displacement and attenuation of structural stiffness in the post-buckling deformation of slender columns to obtain pico-Newton force and nanometer displacement resolution, even under an optical microscope. The extremely small size, purely mechanical sensing scheme and vacuum compatibility of the instrument makes it compatible with existing visualization tools of nanotechnology. The instrument has a wide variety of potential applications ranging from electro-mechanical characterization of one dimensional solids to single biological cells.

Original language	English (US)
Article number	021904
Journal	Applied Physics Letters
Volume	87
Issue number	2
DOIs	https://doi.org/10.1063/1.1989440
State	Published - Jul 11 2005

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1989440

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title = "Microscale application of column theory for high resolution force and displacement sensing",

abstract = "We present the design, fabrication, and experimental validation of a device which exploits the amplification of displacement and attenuation of structural stiffness in the post-buckling deformation of slender columns to obtain pico-Newton force and nanometer displacement resolution, even under an optical microscope. The extremely small size, purely mechanical sensing scheme and vacuum compatibility of the instrument makes it compatible with existing visualization tools of nanotechnology. The instrument has a wide variety of potential applications ranging from electro-mechanical characterization of one dimensional solids to single biological cells.",

author = "Samuel, {B. A.} and Desai, {A. V.} and Haque, {M. A.}",

note = "Funding Information: The authors acknowledge support from the NSF (CMS-0411603) for this research. The devices were fabricated at the Penn State Nanofabrication Facility, a member of the NSF{\textquoteright}s National Nanofabrication Users Network. They also acknowledge Jong Han for his help in DRIE.",

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AU - Samuel, B. A.

AU - Desai, A. V.

AU - Haque, M. A.

N1 - Funding Information: The authors acknowledge support from the NSF (CMS-0411603) for this research. The devices were fabricated at the Penn State Nanofabrication Facility, a member of the NSF’s National Nanofabrication Users Network. They also acknowledge Jong Han for his help in DRIE.

PY - 2005/7/11

Y1 - 2005/7/11

N2 - We present the design, fabrication, and experimental validation of a device which exploits the amplification of displacement and attenuation of structural stiffness in the post-buckling deformation of slender columns to obtain pico-Newton force and nanometer displacement resolution, even under an optical microscope. The extremely small size, purely mechanical sensing scheme and vacuum compatibility of the instrument makes it compatible with existing visualization tools of nanotechnology. The instrument has a wide variety of potential applications ranging from electro-mechanical characterization of one dimensional solids to single biological cells.

AB - We present the design, fabrication, and experimental validation of a device which exploits the amplification of displacement and attenuation of structural stiffness in the post-buckling deformation of slender columns to obtain pico-Newton force and nanometer displacement resolution, even under an optical microscope. The extremely small size, purely mechanical sensing scheme and vacuum compatibility of the instrument makes it compatible with existing visualization tools of nanotechnology. The instrument has a wide variety of potential applications ranging from electro-mechanical characterization of one dimensional solids to single biological cells.

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Microscale application of column theory for high resolution force and displacement sensing

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