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The Mechanical Properties and Test of a Single ZnO Nanorod Inside Scanning Electron Microscopy

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Abstract:

The bending and tensile tests of the ZnO nanorods were carried out by controlling a force sensor and a nano-manipulator inside a scanning electron microscope (SEM). The force sensor was mounted on the nano-manipulator, was controlled with the nano-manipulate. The load response during the mechanical test for the ZnO nanorod was obtained by using the force sensor which is formed as a cantilever. The elastic modulus of the ZnO nanorods after the tensile and bending tests were calculated and compared. The elastic modulus of ZnO nanorods was depended on a size and an aspect ratio of the ZnO nanorods. The difference of the elastic modulus of ZnO nanorods was obtained with a difference of test methods performed along crystal facets direction of the ZnO nanorods. The average elastic modulus calculated after the tensile test was ∼57.15 GPa. In case of the bending test, the average elastic modulus was ∼29.37 GPa.

Keywords: ELASTIC MODULUS; MECHANICAL TEST; ZNO NANORODS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3188

Publication date: January 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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