Microfabrication of integrated silicon optical cross-switches interfaced with silica optical waveguides. Project aims to fabricate novel silicon based optical switches in the form of cantilevered mirrors integrated to interface with silica optical waveguides integrated collimation lens. Significantly, it paves the way for low cost integration of optical switches with array waveguides for an all-optical dynamically reconfigurable dense wavelength division multiplexing network used in modern broad ....Microfabrication of integrated silicon optical cross-switches interfaced with silica optical waveguides. Project aims to fabricate novel silicon based optical switches in the form of cantilevered mirrors integrated to interface with silica optical waveguides integrated collimation lens. Significantly, it paves the way for low cost integration of optical switches with array waveguides for an all-optical dynamically reconfigurable dense wavelength division multiplexing network used in modern broadband telecommunication systems. International market demand for such devises is enormous. Expected outcomes include the development of arrays of low loss 2x2 integrated optical waveguide cross-switches prototypes, securing the intellectual property rights and disseminating the work internationally.Read moreRead less
Epitaxial growth of Zn-VI/III-N nanowire-based structures for future device applications. This project, aiming for developing zinc and nitrogen epitaxial nanowires, addresses specific National Research Priorities in the areas of breakthrough science, frontier technology and advanced materials. Outcomes will significantly advance the understanding of the evolution of epitaxial nanowire structures and their demonstrated properties. This project will provide informative guidelines for designing, de ....Epitaxial growth of Zn-VI/III-N nanowire-based structures for future device applications. This project, aiming for developing zinc and nitrogen epitaxial nanowires, addresses specific National Research Priorities in the areas of breakthrough science, frontier technology and advanced materials. Outcomes will significantly advance the understanding of the evolution of epitaxial nanowire structures and their demonstrated properties. This project will provide informative guidelines for designing, developing and manufacturing nanowire-based nanostructures for future nanodevices and nanosystems, which is strategically important to Australia's emerging high-tech industries. This project will also enhance the international reputation and impact of Australian research in the internationally focused field of nanoscience and nanotechnology.Read moreRead less
Development of new membrane-electrode assemblies for low temperature fuel cells. New electrodes and electrolytes for low temperature fuel cells will herald in a new epoch in the hydrogen economy for Australia. The IP developed in this project will form the basis for new transportation systems that do not lead to chemical pollution in Australia's cities. The new materials and processing techniques will lead to cheaper and more efficient fuel cells, allowing their use in portable computers, small ....Development of new membrane-electrode assemblies for low temperature fuel cells. New electrodes and electrolytes for low temperature fuel cells will herald in a new epoch in the hydrogen economy for Australia. The IP developed in this project will form the basis for new transportation systems that do not lead to chemical pollution in Australia's cities. The new materials and processing techniques will lead to cheaper and more efficient fuel cells, allowing their use in portable computers, small electrical appliances, public transport and in private cars in about ten years. Read moreRead less
Overcoming performance limitations in multicrystalline silicon solar cells. This project aims to address the major impediments to improved efficiency of multicrystalline silicon solar cells, the most prevalent in industry today. Three key areas have been identified: understanding the fundamental source of carrier recombination in this material, the application of plasma silicon nitride to reducing this recombination, and developing a suitable technique for texturing the front surface of the cell ....Overcoming performance limitations in multicrystalline silicon solar cells. This project aims to address the major impediments to improved efficiency of multicrystalline silicon solar cells, the most prevalent in industry today. Three key areas have been identified: understanding the fundamental source of carrier recombination in this material, the application of plasma silicon nitride to reducing this recombination, and developing a suitable technique for texturing the front surface of the cells. By using novel, advanced techniques to gain a deeper physical understanding of these issues, it will be possible to develop new, cost-effective processes that improve efficiency and are applicable in industry.Read moreRead less
Advanced microelectronic transistor structures for novel biosensor technology. This international, interdisciplinary team aims to develop an electronic biosensor technology that will significantly advance biomedical research to combat human disease. This is likely to have a major social impact on the community, improve health outcomes and generate substantial economic potential for the pharmaceutical industry. The principal benefit of this research will be the fabrication of electronic devices b ....Advanced microelectronic transistor structures for novel biosensor technology. This international, interdisciplinary team aims to develop an electronic biosensor technology that will significantly advance biomedical research to combat human disease. This is likely to have a major social impact on the community, improve health outcomes and generate substantial economic potential for the pharmaceutical industry. The principal benefit of this research will be the fabrication of electronic devices based on advanced materials, significantly reducing the time, the biological material used and the complexity of assessing human cell function. In addition to improving health through novel biosensor techniques, this technology is expected to lead to the creation of commercially important intellectual property.Read moreRead less
Dopants, defects and related issues in Zinc Oxide. ZnO is a promising semiconductor for optoelectronic devices namely green, blue, ultraviolet (UV) and white light emitting diodes (LEDs) and ultimately UV lasers. It can also act as a transparent conductive oxide which has applications in flat panel displays and photovoltaic devices. Because of these potential applications, ZnO is the 'hottest' semiconductor with abounding literature and four new international conferences organised on progress in ....Dopants, defects and related issues in Zinc Oxide. ZnO is a promising semiconductor for optoelectronic devices namely green, blue, ultraviolet (UV) and white light emitting diodes (LEDs) and ultimately UV lasers. It can also act as a transparent conductive oxide which has applications in flat panel displays and photovoltaic devices. Because of these potential applications, ZnO is the 'hottest' semiconductor with abounding literature and four new international conferences organised on progress in this research area in recent years. This project is an excellent opportunity for Australia to increase its strength in optoelectronic device research and to provide an understanding of some fundamental issues in doping, defect formation, diffusion and annihilation in ZnO.Read moreRead less
Innovative Grid-Connected, Small-Scale Wind Turbine Generators Offering Low Cost and Wide Operating Speed Range. Growing concerns about sustainability issues with fossil fuels have resulted in strong interest in wind power worldwide. Grid-connected inverters are an efficient way of utilising small wind turbines on domestic, farming or small commercial properties which have access to the power grid. Existing small-scale, grid-connected wind turbines are expensive and have a limited operating wind ....Innovative Grid-Connected, Small-Scale Wind Turbine Generators Offering Low Cost and Wide Operating Speed Range. Growing concerns about sustainability issues with fossil fuels have resulted in strong interest in wind power worldwide. Grid-connected inverters are an efficient way of utilising small wind turbines on domestic, farming or small commercial properties which have access to the power grid. Existing small-scale, grid-connected wind turbines are expensive and have a limited operating wind speed range. We are investigating new designs for low-cost wind turbine generators which can produce power over a wide range of wind speeds. The project should result in a greater application of small-scale wind generators in Australia and will lead to reductions in fossil fuel usage and greenhouse gas emissions.Read moreRead less
Analysis, simulation, fabrication and characterization of reliable, robust and scalable compact cooling elements based on semiconductor nanostructures. Modern electronic, microelectronic and optoelectronic devices generally work better when they are cooler. We aim to develop a semiconductor nanostructure cooling element which directly integrates into existing devices. The solid-state cooling element will be reliable, robust, scalable and operate in any orientation. The basis of operation is ....Analysis, simulation, fabrication and characterization of reliable, robust and scalable compact cooling elements based on semiconductor nanostructures. Modern electronic, microelectronic and optoelectronic devices generally work better when they are cooler. We aim to develop a semiconductor nanostructure cooling element which directly integrates into existing devices. The solid-state cooling element will be reliable, robust, scalable and operate in any orientation. The basis of operation is thermionic emission - electrons are the working fluid. Our project combines (1) analysis and simulation, (2) fabrication of nanostructures and (3) experimental test-benching using optical and electrical methods. The outcome of this research has the potential to revolutionize cooling of modern electronic and photonic systems, from computer motherboards to mobile phones.Read moreRead less
Micro-electromechanical Systems (MEMS) and Nano-electromechanical Systems (NEMS) Technologies for Temperature Sensitive Semiconductors and Smart Materials. The development of a generic MEMS/NEMS technology will place Australia at the forefront of MEMS science and technology and will form a platform for new and innovative products using new science developed from the capabilities to be established in this project. This project and the results it will generate will have significant impact in devel ....Micro-electromechanical Systems (MEMS) and Nano-electromechanical Systems (NEMS) Technologies for Temperature Sensitive Semiconductors and Smart Materials. The development of a generic MEMS/NEMS technology will place Australia at the forefront of MEMS science and technology and will form a platform for new and innovative products using new science developed from the capabilities to be established in this project. This project and the results it will generate will have significant impact in developing technologies that can transform Australian industry in biomedical and agricultural instrumentation and will be key to future optoelectronic defence systems for surveillance, and chemical and biological threat warning. It will have the potential to establish new industries, as well as generate disruptive technologies directly relevant to several industry sectors already established in Australia.Read moreRead less
Design and Experimental Demonstration of Ultrabroadband Silicon Optical Amplifiers. The current success of the electronics industry rests on pillars made from the low cost, high performance and flexibility of silicon compounds. Silicon-based optics provides a new platform for the monolithic integration of optics and electronics. In this project, a multi-disciplinary team consisting of pioneers of nonlinear optics and siliconized photonics build a next-generation broadband silicon optical amplif ....Design and Experimental Demonstration of Ultrabroadband Silicon Optical Amplifiers. The current success of the electronics industry rests on pillars made from the low cost, high performance and flexibility of silicon compounds. Silicon-based optics provides a new platform for the monolithic integration of optics and electronics. In this project, a multi-disciplinary team consisting of pioneers of nonlinear optics and siliconized photonics build a next-generation broadband silicon optical amplifier which can open the door to a new low-power, wide-bandwidth, high-speed and ultra-small optoelectronic devices. The technological advances arising from this project will provide Australia with critical capabilities for future commercial ventures and strengthen Australia's stake in the multi-trillion dollar semiconductor industry.Read moreRead less