Evolution of nanomechanical properties and crystallinity of individual titanium dioxide nanotube resonators

Nanotechnology
Stefano StassiCarlo Ricciardi

Abstract

Herein a complete characterization of single TiO2 nanotube resonator was reported for the first time. The modal vibration response analysis allows a non-invasive indirect evaluation of the mechanical properties of the TiO2 nanotube. The effect of post-grown thermal treatments on nanotube mechanical properties was investigated and carefully correlated to the chemico-physical parameters evolution. The Young's modulus of TiO2 nanotube rises linearly from 57 GPa up to 105 GPa for annealing at 600 °C depending on the compositional and crystallographic evolution of the nanostructure. Considering the growing interest in single nanostructure devices, the reported findings allow a deeper understanding of the properties of individual titanium dioxide nanotubes extrapolated from their standard arrayed architecture.

References

May 17, 2007·Nano Letters·Jung ParkPatrik Schmuki
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Jan 16, 2015·Scientific Reports·Andrea LambertiCandido F Pirri
Feb 26, 2015·Physical Chemistry Chemical Physics : PCCP·Simelys HernándezGuido Saracco
Apr 23, 2017·Scientific Reports·Stefano StassiCarlo Ricciardi

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Citations

Jan 19, 2018·Nanomaterials·Alberto CasuAndrea Falqui
Apr 14, 2019·Nature Communications·Stefano StassiEnzo Di Fabrizio

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