GaAsP-GaAs nanowire quantum dots for novel quantum emitters
Lead Research Organisation:
University College London
Department Name: Electronic and Electrical Engineering
Abstract
Abstracts are not currently available in GtR for all funded research. This is normally because the abstract was not required at the time of proposal submission, but may be because it included sensitive information such as personal details.
Organisations
People |
ORCID iD |
Huiyun Liu (Principal Investigator) |
Publications
Tang M
(2019)
Integration of III-V lasers on Si for Si photonics
in Progress in Quantum Electronics
Valente J
(2018)
Light-Emitting GaAs Nanowires on a Flexible Substrate.
in Nano letters
Wu J
(2016)
Defect-Free Self-Catalyzed GaAs/GaAsP Nanowire Quantum Dots Grown on Silicon Substrate.
in Nano letters
Xu H
(2018)
High Detectivity and Transparent Few-Layer MoS2 /Glassy-Graphene Heterostructure Photodetectors.
in Advanced materials (Deerfield Beach, Fla.)
Yu P
(2019)
Nanowire Quantum Dot Surface Engineering for High Temperature Single Photon Emission.
in ACS nano
Zeng H
(2020)
Preferred growth direction of III-V nanowires on differently oriented Si substrates.
in Nanotechnology
Zeng H
(2018)
Hybrid III-V/IV Nanowires: High-Quality Ge Shell Epitaxy on GaAs Cores.
in Nano letters
Zhang X
(2021)
Design of high-quality reflectors for vertical III-V nanowire lasers on Si.
in Nanotechnology
Zhang Y
(2020)
Self-catalyzed GaAs(P) nanowires and their application for solar cells
in Journal of Physics D: Applied Physics
Description | 1. Controlled and reproducible doping is essential for nanowires (NWs) to realize their functions. In this project, the doping mechanism of self-catalyzed NWs and the influence of self-catalytic droplets on the doping process are systematically studied This study is an essential step toward the design and fabrication of nanowire devices. 2. The growth of self-catalyzed core-shell NWs is investigated systematically using GaAs(P) NWs. The defects in the core NW are found to be detrimental for the shell growth. These defects are effectively eliminated by introducing beryllium (Be) doping during the NW core growth. Shells with pure zinc-blende crystal quality and highly regular morphology are successfully grown on the defect-free NW cores. These results provide useful information on guiding the growth of high-quality shell, which can greatly enhance the NW device performance. 3. Nanowire QW laser was achieved with record low threshold. 4. Nanowire quantum well structures have been developed as promising candidate for nanowire lasers. |
Exploitation Route | These findings will enable high-qiality Nanowire materials and devices possible. We developed high-quality GaAs/GaAsP quantum-well nanowire emitters, including single-photon emitter and lasers. These devices could be potentially used in quantum technology and lighting areas. |
Sectors | Digital/Communication/Information Technologies (including Software),Electronics,Energy |
Description | EPSRC Centre for Doctoral Training in Compound Semiconductor Manufacturing |
Amount | £6,589,026 (GBP) |
Funding ID | EP/S024441/1 |
Organisation | Engineering and Physical Sciences Research Council (EPSRC) |
Sector | Public |
Country | United Kingdom |
Start | 06/2019 |
End | 12/2027 |
Description | EPSRC Future Manufacturing Hub |
Amount | £10,330,423 (GBP) |
Funding ID | EP/P006973/1 |
Organisation | Engineering and Physical Sciences Research Council (EPSRC) |
Sector | Public |
Country | United Kingdom |
Start | 10/2016 |
End | 09/2023 |
Description | H2020-MSCA-ITN-2016 Marie Sklodowska-Curie Innovative Training Networks |
Amount | € 1,000,000 (EUR) |
Organisation | European Commission |
Department | Horizon 2020 |
Sector | Public |
Country | European Union (EU) |
Start | 01/2017 |
End | 12/2020 |
Description | National Epitaxy Facility |
Amount | £12,000,000 (GBP) |
Organisation | Engineering and Physical Sciences Research Council (EPSRC) |
Sector | Public |
Country | United Kingdom |
Start | 01/2017 |
End | 12/2021 |
Description | Phosphide-based nanowires for visible and near-infrared miniature photon emitters |
Amount | £940,501 (GBP) |
Funding ID | EP/W002302/1 |
Organisation | Engineering and Physical Sciences Research Council (EPSRC) |
Sector | Public |
Country | United Kingdom |
Start | 04/2022 |
End | 04/2025 |