3D mechanical measurements with an atomic force microscope on 1D structures.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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We have developed a simple method to characterize the mechanical properties of three dimensional nanostructures, such as nanorods standing up from a substrate. With an atomic force microscope the cantilever probe is used to deflect a horizontally aligned nanorod at different positions along the nanorod, using the apex of the cantilever itself rather than the tip normally used for probing surfaces. This enables accurate determination of nanostructures' spring constant. From these measurements, Young's modulus is found on many individual nanorods with different geometrical and material structures in a short time. Based on this method Young's modulus of carbon nanofibers and epitaxial grown III-V nanowires has been determined.
Original languageEnglish
JournalReview of Scientific Instruments
Publication date2012
Volume83
Journal number2
Pages023704-01 - 023704-07
ISSN0034-6748
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 1

Keywords

  • Carbon Nanotubes, NANOMECHANICAL RESONATORS, Elasticity, Strength
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