Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices

V Consonni, AM Lord - Nano Energy, 2021 - Elsevier
The polar and piezoelectric nature of the wurtzite structure of ZnO nanowires with a high
aspect ratio at nanoscale dimensions is of high interest for piezotronic and piezoelectric …

Zinc vacancy–hydrogen complexes as major defects in ZnO nanowires grown by chemical bath deposition

J Villafuerte, F Donatini, J Kioseoglou… - The Journal of …, 2020 - ACS Publications
Crystal defects in unintentionally doped ZnO nanowires grown by chemical bath deposition
(CBD) play a capital role in their optical and electrical properties, governing the …

Dimensional roadmap for maximizing the piezoelectrical response of ZnO nanowire-based transducers: impact of growth method

AJL Garcia, M Mouis, V Consonni, G Ardila - Nanomaterials, 2021 - mdpi.com
ZnO nanowires are excellent candidates for energy harvesters, mechanical sensors,
piezotronic and piezophototronic devices. The key parameters governing the general …

Evidence of piezoelectric potential and screening effect in single highly doped ZnO: Ga and ZnO: Al nanowires by advanced scanning probe microscopy

O Synhaivskyi, D Albertini, P Gaffuri… - The Journal of …, 2021 - ACS Publications
A complete study based on advanced atomic force microscopy electrical mode called
scanning spreading resistance microscopy (SSRM) is carried out on a series of samples of …

Polarity-dependent high electrical conductivity of ZnO nanorods and its relation to hydrogen

T Cossuet, F Donatini, AM Lord, E Appert… - The Journal of …, 2018 - ACS Publications
A statistical analysis of the electrical properties of selective area grown O-and Zn-polar ZnO
nanorods by chemical bath deposition is performed by four-point probe resistivity …

[HTML][HTML] Scanning capacitance microscopy of GaN-based high electron mobility transistor structures: A practical guide

C Chen, S Ghosh, F Adams, MJ Kappers, DJ Wallis… - Ultramicroscopy, 2023 - Elsevier
The scanning capacitance microscope (SCM) is a powerful tool to characterise local
electrical properties in GaN-based high electron mobility transistor (HEMT) structures with …

Engineering nitrogen-and hydrogen-related defects in ZnO nanowires using thermal annealing

J Villafuerte, O Chaix-Pluchery, J Kioseoglou… - Physical Review …, 2021 - APS
The chemical bath deposition (CBD) of ZnO nanowires (NWs) is of high interest, but their
formation occurs in a growth medium containing many impurities including carbon, nitrogen …

Assessing the electrical activity of individual ZnO nanowires thermally annealed in air

M Bah, TS Tlemcani, S Boubenia, C Justeau… - Nanoscale …, 2022 - pubs.rsc.org
ZnO nanowires (NWs) are very attractive for a wide range of nanotechnological applications
owing to their tunable electron concentration via structural and surface defect engineering. A …

Enhancing the Output Voltage of Piezoelectric Nanogenerators Based on ZnO Nanowires Grown by Chemical Bath Deposition Using Compensatory Cu Doping

M Manrique, V Consonni, S Boubenia… - Energy …, 2024 - Wiley Online Library
The screening effect in ZnO nanowires (NWs) coming from the high density of free electrons
has emerged as one of the major issues for their efficient integration into piezoelectric …

Contribution to the study of the piezoelectric properties of ZnO nanowires and associated nanocomposites for application to mechanical-electrical energy transduction

AJL Garcia - 2022 - theses.hal.science
With the increasing development of wireless networks of low-power sensors for the so-called
internet-of-things, there is a need for efficient ways to ensure the energetic autonomy of …