Ni, Hai and Li, Xiaodong (2006) Young's modulus of ZnO nanobelts measured using atomic force microscopy and nanoindentation techniques. NANOTECHNOLOGY, 17 (14). pp. 3591-3597.
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Official URL: http://dx.doi.org/10.1088/0957-4484/17/14/039
Abstract
The bending Young's modulus of ZnO nanobelts was measured by performing three-point bending tests directly on individual nanobelts with an atomic force microscope (AFM). The surface-to-volume ratio has no effect on the bending Young's modulus of the ZnO nanobelts for surface-to-volume ratios ranging from 0.017 to 0.035 nm(2) nm(-3), with a belt size of 50 - 140 nm in thickness and 270 - 700 nm in width. The bending Young's modulus was measured to be 38.2 +/- 1.8 GPa, which is about 20% higher than the nanoindentation Young's modulus of 31.1 +/- 1.3 GPa. The ZnO nanobelts exhibit brittle fracture failure in bending but some plastic deformation in indentation.
| Item Type: | Article |
|---|---|
| Subjects: | Physical Science > Nanophysics Analytical Science > Microscopy and probe methods Material Science > Nanostructured materials |
| ID Code: | 3731 |
| Deposited By: | Farnush Anwar |
| Deposited On: | 22 Jan 2009 14:08 |
| Last Modified: | 29 Jan 2009 13:41 |
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