Mechanical properties of individual nanorods and nanotubes in forest-like structures

• Published in: Scripta materialia Vol. 133; pp. 54 - 58
• Main Authors: Park, Jieun, Oh, Minju, Hossain, Ashraf, Lee, Keun Young, Yoo, Dayoung, Kim, Yangdo, Kim, Sang-Woo, Lee, Dongyun
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01-05-2017
• Subjects: Buckling; Fracture; Nanostructured materials; Titanium oxide; Zinc oxide; Zinc oxide; Fracture; Titanium oxide; Nanostructured materials; Buckling
• ISSN: 1359-6462; 1872-8456
• DOI: 10.1016/j.scriptamat.2017.02.011

We calculated the mechanical properties of a ZnO nanorod within forest-like samples. According to the results for ZnO nanorods, we extended the calculation method to determine the mechanical properties of a TiO2 nanotube (TN) extracted from a forest densely grown by anodization on a Ti substrate. The Euler model was adopted, and critical-load measurements were performed during vertical-compression experiments involving nanoindentation. We measured the elastic moduli of a single ZnO nanorod and a single TN as ~190 and ~27GPa, respectively. Thus, we suggested a method for determining the mechaical properties of individual entities in one-dimensional materials grown in bundles.
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