Optimisation of the electrical and optical properties of ZnO nanowires for advanced nanodevice applications. It is widely accepted that nanowires and related structures will provide the key for the construction of future functional nano-devices with unprecedented performance. In this project we will develop robust protocols for the fabrication of ZnO nanowires in the lab which can be meet the needs of specific nanotechnology and nanodevice applications and once established these growth technique ....Optimisation of the electrical and optical properties of ZnO nanowires for advanced nanodevice applications. It is widely accepted that nanowires and related structures will provide the key for the construction of future functional nano-devices with unprecedented performance. In this project we will develop robust protocols for the fabrication of ZnO nanowires in the lab which can be meet the needs of specific nanotechnology and nanodevice applications and once established these growth techniques can reconfigured for industrial scale fabrication. Development of these nanowire growth techniques will enable Australia to be at the leading edge in the rapidly emerging field of nano-science and nano-technology.Read moreRead less
Development of Low Cost, High Quality Nitrides for Solid-State Lighting and Other Power Saving Applications. The advent of high brightness, low cost, compact, low power white light-emitting diodes (LEDs) will revolutionise lighting as we currently know it. Incandescent light bulbs and fluorescent tubes are inefficient light sources and their replacement with high efficiency solid state LED lighting over the next 10 years will provide a 10% reduction in global greenhouse gas emissions. The develo ....Development of Low Cost, High Quality Nitrides for Solid-State Lighting and Other Power Saving Applications. The advent of high brightness, low cost, compact, low power white light-emitting diodes (LEDs) will revolutionise lighting as we currently know it. Incandescent light bulbs and fluorescent tubes are inefficient light sources and their replacement with high efficiency solid state LED lighting over the next 10 years will provide a 10% reduction in global greenhouse gas emissions. The development and enhancement of a recent Australian innovation for the fabrication of low cost high brightness LEDs will enable Australia to be at the frontier of this technology and to be a world leader in the next stage of its development.Read moreRead less
Band gap engineering of novel (In,Ga)SbN epitaxial semiconductors for high-performance long-wavelength optoelectronic devices. This proposal is at the forefront of a number of important fields, and therefore the outcomes are expected to be of great interest to a broad spectrum of industry sectors, including national defence, health care, environment and manufacturing. This novel material system could create new high technologies for various infrared devices. The outcomes of this project will pos ....Band gap engineering of novel (In,Ga)SbN epitaxial semiconductors for high-performance long-wavelength optoelectronic devices. This proposal is at the forefront of a number of important fields, and therefore the outcomes are expected to be of great interest to a broad spectrum of industry sectors, including national defence, health care, environment and manufacturing. This novel material system could create new high technologies for various infrared devices. The outcomes of this project will position Australian researchers among the pioneering groups in this area and will be beneficial to several major technology-related fields: global warming and associated environmental monitoring, security systems, thermal-imaging systems for night vision, and healthcare with the emphasis on disease diagnosis and treatment.Read moreRead less
The structure of turbulent boundary layers. This research has an enormous impact in many fields of engineering - for example, in aeronautical, mechanical, chemical, meteorological and biomedical engineering. The resulting energy and economic savings and the reduction in atmospheric pollution and greenhouse gasses will ultimately impact on areas such as global climatic change and the energy sustainability of our urban environment, thus influencing the well-being of all people living on this plan ....The structure of turbulent boundary layers. This research has an enormous impact in many fields of engineering - for example, in aeronautical, mechanical, chemical, meteorological and biomedical engineering. The resulting energy and economic savings and the reduction in atmospheric pollution and greenhouse gasses will ultimately impact on areas such as global climatic change and the energy sustainability of our urban environment, thus influencing the well-being of all people living on this planet. This research project will result in technological advancement and provide important training for future generations of researchers. This will entrench the Australian engineering and scientific community as world leaders in this area of scientific research.Read moreRead less
The structure of turbulence at high Reynolds numbers. The aim of this project is to gain a physical understanding of the process of turbulence in fluid motion, focusing on boundary layers adjacent to the surface of bodies, such as submarines and turbines. As turbulence is of fundamental importance in many engineering tasks, developing our understanding of the mechanisms involved will lead to progress in many areas. For example, accurate prediction of drag on vehicles, aircraft and ships, result ....The structure of turbulence at high Reynolds numbers. The aim of this project is to gain a physical understanding of the process of turbulence in fluid motion, focusing on boundary layers adjacent to the surface of bodies, such as submarines and turbines. As turbulence is of fundamental importance in many engineering tasks, developing our understanding of the mechanisms involved will lead to progress in many areas. For example, accurate prediction of drag on vehicles, aircraft and ships, resulting in reductions in fuel consumption. The wind tunnel used in this project is the largest of its type in the world, enabling pioneering experiments to be undertaken which will extend our understanding of the physics of turbulence for applied flows.
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Development of growth strategies to fabricate wide band gap ferromagnetic semiconductors for spin electronics applications. Spin Electronics technology will enable a revolutionary class of electronic devices. Gallium nitride (GaN) containing transition metals (TM) (eg Mn, Ni and Fe) is a very promising dilute magnetic semiconductor for practical spintronics applications as this material exhibits magnetic behaviour above room temperature. However, electronic and magnetic properties of this new cl ....Development of growth strategies to fabricate wide band gap ferromagnetic semiconductors for spin electronics applications. Spin Electronics technology will enable a revolutionary class of electronic devices. Gallium nitride (GaN) containing transition metals (TM) (eg Mn, Ni and Fe) is a very promising dilute magnetic semiconductor for practical spintronics applications as this material exhibits magnetic behaviour above room temperature. However, electronic and magnetic properties of this new class of semiconductors have not yet been optimised. This project aims to develop and test a new growth strategy, known as the co-doping method for the fabrication of high quality TM doped GaN. A broad range of complementary advanced spectroscopic techniques will be used to evaluate and refine this new fabrication method.Read moreRead less
Fibre sensors with subwavelength features in the Terahertz radiation (T-ray) regime. With this program, Australia will benefit from expertise in photonics that will develop new chemical biosensors based on optical fibre technology. The novelty is that the fibres will be used to guide Terahertz radiation (T-ray) frequencies that will be able to detect very small samples of material or fluid. This is a fundamental step towards a system that will impact on applications in the medical, pharmaceutica ....Fibre sensors with subwavelength features in the Terahertz radiation (T-ray) regime. With this program, Australia will benefit from expertise in photonics that will develop new chemical biosensors based on optical fibre technology. The novelty is that the fibres will be used to guide Terahertz radiation (T-ray) frequencies that will be able to detect very small samples of material or fluid. This is a fundamental step towards a system that will impact on applications in the medical, pharmaceutical, forensic, and security industries. Ultimately, Australia will benefit from a new cutting-edge technology and a new diagnostic biosensing technique.Read moreRead less
Drag Force on Bubbles and Particles in Turbulent Flows. Australian exports are dominated by the minerals, metallurgical and chemicals industries, with minerals exports worth at least $40 billion annually. Many of the production processes are underpinned by the complex interaction between particles, bubbles and liquids. It is important that we understand the complex interactions taking place. This will enable us to improve existing operations and also to design completely new technologies, especi ....Drag Force on Bubbles and Particles in Turbulent Flows. Australian exports are dominated by the minerals, metallurgical and chemicals industries, with minerals exports worth at least $40 billion annually. Many of the production processes are underpinned by the complex interaction between particles, bubbles and liquids. It is important that we understand the complex interactions taking place. This will enable us to improve existing operations and also to design completely new technologies, especially in the emerging fields of nano and biotechnology. This project is important because it adds to our knowledge in the national priority area of Transforming Australian Industries, and its success will ensure that our industries remain at the forefront of innovation and are globally competitive. Read moreRead less
Formation Mechanism and Controlled Growth of Carbon Nanotubes. Carbon nanotubes are exciting nano-materials and important "building blocks" of nanotechnology. Research and application of nanotubes are at the forefront of nanotechnology development. This project will investigate the formation mechanisms and controlled growth of carbon nanotubes in a new mechano-thermal synthesis process in which carbon nanotubes are produced in the order of kilogram from graphite powder by mechanical milling and ....Formation Mechanism and Controlled Growth of Carbon Nanotubes. Carbon nanotubes are exciting nano-materials and important "building blocks" of nanotechnology. Research and application of nanotubes are at the forefront of nanotechnology development. This project will investigate the formation mechanisms and controlled growth of carbon nanotubes in a new mechano-thermal synthesis process in which carbon nanotubes are produced in the order of kilogram from graphite powder by mechanical milling and thermal annealing. The outcomes of this research will be profoundly enhanced understanding of the controlled assembly of carbon atoms into a variety of nanosized tubules with excellent mechanical, chemical and physical properties, and an innovative synthesis/manipulation technology for industrial applications.Read moreRead less
Indium arsenic antimony (InAsSb) Quantum Dots for Mid-Infrared Lasers. This proposal will open a new area of research for mid-infrared laser devices. Any achievement from this project will benefit various academic and industrial communities, such as national security, environmental monitoring and spectroscopy. The outcomes of this research could create a new generation of high-performance mid-infrared lasers and put Australian researchers in the forefront of the development in this field.