Atomic-scale investigation on the ultra-large bending behaviours of layered sodium titanate nanowires
Article
Article Title | Atomic-scale investigation on the ultra-large bending behaviours of layered sodium titanate nanowires |
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ERA Journal ID | 41997 |
Article Category | Article |
Authors | Liu, Qiong (Author), Zhan, Haifei (Author), Zhu, Huaiyong (Author), Sun, Ziqi (Author), Bell, John (Author), Bo, Arixin (Author) and Gu, Yuantong (Author) |
Journal Title | Nanoscale |
Journal Citation | 11 (24), pp. 11847-11855 |
Number of Pages | 9 |
Year | 2019 |
Publisher | The Royal Society of Chemistry |
Place of Publication | United Kingdom |
ISSN | 2040-3364 |
2040-3372 | |
Digital Object Identifier (DOI) | https://doi.org/10.1039/c9nr02082a |
Web Address (URL) | https://pubs.rsc.org/en/content/articlelanding/2019/NR/C9NR02082A#!divAbstract |
Abstract | A study on the mechanical properties of one-dimensional layered titanate nanomaterials is crucial since they demonstrate important applications in various fields. Here, we conducted ex situ and in situ atomic-scale investigation on the bending properties of a kind of ceramic-layered titanate (Na2Ti2O4(OH)2) nanowire using transmission electron microscopy. The nanowires showed flexibility along the 〈100〉 direction and could obtain a maximum bending strain of nearly 37%. By analysing the defect behaviours, the unique bending properties of this ceramic material were found to correlate with a novel arrangement of dislocations, an active dislocation nucleation and movement along the axial direction resulting from the weak electrostatic interaction between the TiO6 layers and the low b/a ratio. These results provide a pioneering and key understanding on the bending behaviours of layered titanate nanowire families and potentially other one-dimensional nanomaterials with layered crystalline structures. |
Keywords | Mechanical-properties; youngs modulus; strength; deformation; transition; dynamics; phase |
ANZSRC Field of Research 2020 | 400499. Chemical engineering not elsewhere classified |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Queensland University of Technology |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q5x3x/atomic-scale-investigation-on-the-ultra-large-bending-behaviours-of-layered-sodium-titanate-nanowires
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