Piezoelectric pressure sensor based on flexible gallium nitride thin film for harsh-environment and high-temperature applications

NI Kim, YL Chang, J Chen, T Barbee, W Wang… - Sensors and Actuators A …, 2020 - Elsevier
Piezoelectric materials are promising for pressure sensors in a variety of industrial
applications such as automotive and petroleum fields. Typical piezoelectric sensors rely …

Highly efficient photoelectrochemical water splitting using GaN-nanowire photoanode with tungsten sulfides

S Han, S Noh, YT Yu, CR Lee, SK Lee… - ACS Applied Materials …, 2020 - ACS Publications
In the present study, we have achieved high-performance photoelectrochemical water
splitting (PEC-WS) using GaN nanowires (NWs) coated with tungsten sulfide (W x S1 …

Drastic improvement in photoelectrochemical water splitting performance over prolonged reaction time using new carrier-guiding semiconductor nanostructures

S Noh, J Song, S Han, J Shin, YT Yu… - Journal of Materials …, 2022 - pubs.rsc.org
The performance of photoelectrochemical water splitting (PEC-WS) over time was drastically
improved using new carrier-guiding semiconductor nanostructures, namely InGaN/GaN core …

Fast response characteristics of flexible ultraviolet photosensors with GaN nanowires and graphene

S Han, I Choi, CR Lee, KU Jeong… - ACS applied materials …, 2019 - ACS Publications
We report the fast response characteristics of flexible ultraviolet photosensors with GaN
nanowires (NWs) and a graphene channel. The GaN NWs used as light-absorbing media …

Improvement in the photoelectrochemical water-splitting performance using GaN nanowires with bundle structures

S Han, S Noh, J Shin, YT Yu, CR Lee… - Journal of Materials …, 2021 - pubs.rsc.org
We report an approach for improving the photoelectrochemical water splitting (PEC–WS)
performance using GaN-nanowire (NW) bundles (GNW-BDLs) as the photoanode material …

Manipulation of Photoelectrochemical Water Splitting by Controlling Direction of Carrier Movement Using InGaN/GaN Hetero-Structure Nanowires

S Noh, J Shin, YT Yu, MY Ryu, JS Kim - Nanomaterials, 2023 - mdpi.com
We report the improvement in photoelectrochemical water splitting (PEC-WS) by controlling
migration kinetics of photo-generated carriers using InGaN/GaN hetero-structure nanowires …

[HTML][HTML] Photoelectrochemical water splitting using GaN nanowires with reverse-mesa structures as photoanode material

S Noh, S Han, J Shin, J Lee, I Choi, HM Oh… - Applied Science and …, 2022 - e-asct.org
We report improved photoelectrochemical water splitting (PEC-WS) using GaN nanowires
(NWs) with reverse-mesa structures (RMNWs) formed on Si (111) as a photoanode material …

Unravelling the strain relaxation processes in silicon nanowire arrays by X-ray diffraction

C Romanitan, M Kusko, M Popescu… - Journal of Applied …, 2019 - journals.iucr.org
Investigations performed on silicon nanowires of different lengths by scanning electron
microscopy revealed coalescence processes in longer nanowires. Using X-ray diffraction …

High-resolution X-ray diffraction analysis of strain distribution in GaN nanowires on Si (111) substrate

H Stanchu, V Kladko, AV Kuchuk, N Safriuk… - Nanoscale research …, 2015 - Springer
In this work, the influence of micro-and macro-deformation profiles in GaN nanowires (NWs)
on the angular intensity distribution of X-ray diffraction are studied theoretically. The …

Formation mechanism of GaN nanowires with various shapes on Si (111)

S Noh, S Han, I Choi, JS Kim, MY Ryu - Journal of the Korean Physical …, 2020 - Springer
We discuss the formation mechanism of GaN nanowires (NWs) with various shapes grown
on Si (111) by using a plasma-assisted molecular-beam epitaxy. The GaN NWs have not …