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Carrier Mobility Distributions: New Insights into Fundamental Electronic Transport in Advanced Semiconductor Structures. Understanding carrier mobility distributions in emerging and future semiconductor device structures can yield unprecedented insights into their fundamental electronic properties and transport processes, and into the mechanisms limiting device performance. This project aims to pioneer the systematic investigation of carrier mobility distributions by employing novel experimenta ....Carrier Mobility Distributions: New Insights into Fundamental Electronic Transport in Advanced Semiconductor Structures. Understanding carrier mobility distributions in emerging and future semiconductor device structures can yield unprecedented insights into their fundamental electronic properties and transport processes, and into the mechanisms limiting device performance. This project aims to pioneer the systematic investigation of carrier mobility distributions by employing novel experimental techniques and high-resolution mobility spectrum analysis methodologies, combined with advanced numerical simulation of electronic transport physics. The project will aim to demonstrate that the new knowledge and understanding can be employed in the optimisation and enhancement of emerging and future semiconductor technologies.Read moreRead less
Cadmium telluride/Germanium (CdTe/Ge) tandem-junction solar cells for efficiency enhancement in thin-film photovoltaics. The purpose of this project is to improve the efficiency of large-area, thin-film CdTe solar cells by using them in a tandem arrangement with thin-film Ge cells. An increase of 25 per cent in efficiency appears possible, which would greatly improve the prospects for cost-competitive photovoltaic power generation.
A new defect-control approach for mismatched heteroepitaxy semiconductors. This project aims to develop a new defect-control approach for silicon-germanium heteroepitaxial semiconductor systems to provide a route for high-throughput, low-cost, high-efficiency silicon tandem solar cells. Mismatched heteroepitaxy of semiconductors is of considerable interest for fabricating novel devices. However, the use of highly-mismatched heteroepitaxial semiconductors has been limited due to the high densitie ....A new defect-control approach for mismatched heteroepitaxy semiconductors. This project aims to develop a new defect-control approach for silicon-germanium heteroepitaxial semiconductor systems to provide a route for high-throughput, low-cost, high-efficiency silicon tandem solar cells. Mismatched heteroepitaxy of semiconductors is of considerable interest for fabricating novel devices. However, the use of highly-mismatched heteroepitaxial semiconductors has been limited due to the high densities of crystal defects which degrade the performance of both majority and minority carrier devices. This project aims to develop a new defect-control approach for heteroepitaxial semiconductors by continuous wavelength diode laser processing. With heteroepitaxial silicon-germanium as an example, the project will investigate the mechanism underlying defect-cleaning, optimised designs for best performance, and designs for high-efficiency tandem solar cells.Read moreRead less
Supercharged silicon wafer tandem solar cells using virtual germanium substrates. International studies show that electricity from solar cells is one of the cleanest future energy sources, able to almost completely displace fossil fuels. To fulfil such a key role, costs must greatly reduce. The project targets reduced cost by greatly improved performance by stacking high quality thin cells on top of a conventional silicon cell.
A silicon-compatible light source on a silicon-on-insulator platform. Silicon is emerging as an important photonic material owing to the cheap processing methods developed for electronics. This project aims to capture key technology for integrating photonic components onto silicon. It can bring social and commercial benefits to Australia such as high-level research as well as opportunities for commercialisation.
Investigating the behaviour of semiconductor materials under extreme pressures. The study of materials at extreme pressures is important and interesting from both a technological and a fundamental perspective. This project will significantly advance the understanding of how semiconductors react to high-pressure environments by exploiting new and innovative approaches to both the application of the extreme pressure and the in-situ measurement of the resultant structures. It will establish a compr ....Investigating the behaviour of semiconductor materials under extreme pressures. The study of materials at extreme pressures is important and interesting from both a technological and a fundamental perspective. This project will significantly advance the understanding of how semiconductors react to high-pressure environments by exploiting new and innovative approaches to both the application of the extreme pressure and the in-situ measurement of the resultant structures. It will establish a comprehensive understanding of the deformation behaviour of semiconductors that will be essential in the search for advanced materials with entirely new properties that may be useful in semiconducting device applications.Read moreRead less
Diamond glass: An all-carbon technology for neural networks and biosensing. This project aims to use plasma deposition to synthesise diamond glass with the highest purity and the most diamond-like character so that it meets the strict requirements for emerging device applications. The extreme properties of diamond glass arise from the diamond-like bonding of the majority of its atoms. This amorphous, wide bandgap semiconductor is also the hardest known glass. The maximum diamond-like content pos ....Diamond glass: An all-carbon technology for neural networks and biosensing. This project aims to use plasma deposition to synthesise diamond glass with the highest purity and the most diamond-like character so that it meets the strict requirements for emerging device applications. The extreme properties of diamond glass arise from the diamond-like bonding of the majority of its atoms. This amorphous, wide bandgap semiconductor is also the hardest known glass. The maximum diamond-like content possible in diamond glass coatings is unknown, so determining its ultimate performance is difficult. Expected applications include medical diagnostics, non-volatile memories and programmable chips.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE240100019
Funder
Australian Research Council
Funding Amount
$740,000.00
Summary
National Electron Beam Irradiation Facility. This project aims to address a gap for Australian researchers and start-ups by establishing a high energy electron beam facility. This project expects to generate new knowledge and manufacturing capacity in the areas of quantum sensing and quantum computing by enriching doped diamond and other wide band gap materials via controlled electron irradiation techniques. Expected outcomes include the creation of new quantum engineered materials and devices ....National Electron Beam Irradiation Facility. This project aims to address a gap for Australian researchers and start-ups by establishing a high energy electron beam facility. This project expects to generate new knowledge and manufacturing capacity in the areas of quantum sensing and quantum computing by enriching doped diamond and other wide band gap materials via controlled electron irradiation techniques. Expected outcomes include the creation of new quantum engineered materials and devices via an academic and industry collaborative effort. The proposed facility should provide significant benefits to Australian researchers and quantum start-ups through unrestricted access to a sovereign facility entirely dedicated to their needs, aiding training of the future quantum workforce.Read moreRead less
Synthesis of novel phases from Group IV elements under extreme pressure. Materials based on the group IV elements carbon, silicon and germanium are technologically important for a wide range of current applications. When exposed to extreme pressure, these materials can form entirely new phases with novel and potentially useful properties. Since there have been few previous attempts to establish which of the new phases are stable on pressure release and to measure their properties for subsequent ....Synthesis of novel phases from Group IV elements under extreme pressure. Materials based on the group IV elements carbon, silicon and germanium are technologically important for a wide range of current applications. When exposed to extreme pressure, these materials can form entirely new phases with novel and potentially useful properties. Since there have been few previous attempts to establish which of the new phases are stable on pressure release and to measure their properties for subsequent exploitation, this project aims to use novel approaches to address these topics. The expected outcome of this project will be new phases of group IV elements with novel properties that have potential for commercial exploitation.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE110100127
Funder
Australian Research Council
Funding Amount
$250,000.00
Summary
Hall effect system for detailed electrical characterisation in semiconductors. Semiconductor characterisation is crucial for research and development in optimum growth and fabrication procedures. This Hall effect measurement system is an essential carrier characterisation technique for semiconductors with potential applications in microelectronics, optoelectronics and photovoltaics.