G Singh et al 2007 Nanotechnology 18 475501 doi:10.1088/0957-4484/18/47/475501
Fabrication and mechanical characterization of a force sensor based on an individual carbon nanotube
FREE ISSUEG Singh1, P Rice1,2 and R L Mahajan3,4,5
Show affiliationsWe demonstrate the design and calibration of an individual carbon nanotube (CNT) based mechanical force sensor for measuring cell wall compliance. The device fabrication and in situ mechanical characterization were carried out using a micromanipulator inside a scanning electron microscope. This simple device acts as a micro-cantilever beam and consists of a tungsten probe with a CNT attached to its tip, while the other end of the CNT supports a polystyrene microsphere. We have calculated the bending modulus of individual multi-walled carbon nanotubes from the calibration tests. These values agree with those available in the literature.
- PACS
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07.07.Df Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing
81.16.-c Methods of nanofabrication and processing
62.20.F- Deformation and plasticity
- Subjects
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Instrumentation and measurement
- Dates
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Issue 47 (28 November 2007)
Received 1 August 2007, in final form 6 September 2007
Published 19 October 2007
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Fabrication and mechanical characterization of a force sensor based on an individual carbon nanotube
G Singh et al 2007 Nanotechnology 18 475501
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