Precise frequency generation for testing fundamental physics and developing new devices. Precision microwave oscillators developed in Australia and France have applications in telecommunications, advanced radar, optical to microwave links, frequency and time standards, tests of fundamental physics etc. This project will aid in the transfer of new knowledge between France and Australia and strengthen Australian 'know how' and expertise, essential for the timely development of technology, which in ....Precise frequency generation for testing fundamental physics and developing new devices. Precision microwave oscillators developed in Australia and France have applications in telecommunications, advanced radar, optical to microwave links, frequency and time standards, tests of fundamental physics etc. This project will aid in the transfer of new knowledge between France and Australia and strengthen Australian 'know how' and expertise, essential for the timely development of technology, which includes devices for the European Space Agency's Atomic Clock Ensemble in Space mission, which is due for launch in 2010. This project highlights the importance of Australian Science in a high profile international mission.Read moreRead less
Hydrodynamics of Fringing Reef Systems. This project aims to develop a numerical circulation model applicable to fringing reef systems, in particular, the Ningaloo reef, Western Australia. The model will include the effects of tides, winds, surface gravity waves and density. The model results will be compared to field measurements collected by the Australian Institute of Marine Science. After the model has been developed and validated, it will be used to investigate processes such as water e ....Hydrodynamics of Fringing Reef Systems. This project aims to develop a numerical circulation model applicable to fringing reef systems, in particular, the Ningaloo reef, Western Australia. The model will include the effects of tides, winds, surface gravity waves and density. The model results will be compared to field measurements collected by the Australian Institute of Marine Science. After the model has been developed and validated, it will be used to investigate processes such as water exchange between lagoons and open sea, effects of contaminant spills and recruitment within the reef systems. An understanding of these processes is essential for the sustainable management of these systems.Read moreRead less
Microwave Frequency Standards: Testing Fundamental Physics and Developing New Devices. Highly frequency stable oscillators may be used as frequency or timing standards (clocks) and have commercial application as well as application of testing fundamental physical principles. This project is to continue the development of novel frequency standards in collaboration with some of the best research institutes in France funded by the French Space Agency (CNES). With the advent of the International Spa ....Microwave Frequency Standards: Testing Fundamental Physics and Developing New Devices. Highly frequency stable oscillators may be used as frequency or timing standards (clocks) and have commercial application as well as application of testing fundamental physical principles. This project is to continue the development of novel frequency standards in collaboration with some of the best research institutes in France funded by the French Space Agency (CNES). With the advent of the International Space Station and new atomic clocks, the physics community is embarking on an experimental program that will make use of the microgravity environment of space. Combined with the new improved timing it will be possible to perform new experimental tests of general and special relativity, tests for drifts in the fine structure constant and tests for a preferred direction of the speed of light at unprecedented sensitivity.Read moreRead less
Experiments with Advanced Isolation Systems, Suspension and Test Masses Using ACIGA's High Optical Power Test Facility. This proposal will allow experimental verification of the performcane of of sapphire test masses and their associated isolation and suspension system in ACIGA's high optical power test facility at Gingin. The work will contribute to the worldwide effort to increase the sensitivity of laser interferometers to the level where known sources of gravitational waves can be detected ....Experiments with Advanced Isolation Systems, Suspension and Test Masses Using ACIGA's High Optical Power Test Facility. This proposal will allow experimental verification of the performcane of of sapphire test masses and their associated isolation and suspension system in ACIGA's high optical power test facility at Gingin. The work will contribute to the worldwide effort to increase the sensitivity of laser interferometers to the level where known sources of gravitational waves can be detected at a reasonable rate.Read moreRead less
The role of water uptake in novel all solid-state polymeric ion sensors. This research will enable the development of robust all solid-state polymeric ion sensors based on unplasticized copolymers. Significantly, the physical and chemical robustness of these copolymer ion sensors will allow their widespread use in new and exciting analytical applications, e.g., in-situ analysis of environmental samples in submersible instruments, clinical analysis of whole blood, in-vivo use of miniaturized ele ....The role of water uptake in novel all solid-state polymeric ion sensors. This research will enable the development of robust all solid-state polymeric ion sensors based on unplasticized copolymers. Significantly, the physical and chemical robustness of these copolymer ion sensors will allow their widespread use in new and exciting analytical applications, e.g., in-situ analysis of environmental samples in submersible instruments, clinical analysis of whole blood, in-vivo use of miniaturized electrodes in biological media, especially single cells and minute samples in biology and forensic science, etc. Extensive use of neutron characterization techniques aligns strongly this project with the new OPAL reactor to be commissioned in 2007.Read moreRead less
Probing the internal contacts of all solid-state polymeric ion sensors. The results of this research will enable the development of robust and reliable all solid-state polymeric ion sensors. These sensors will enable solutions to significant environmental problems such as soil salinity and acidity, and may pave the way for new and exciting analytical applications, e.g., miniaturized implantable sensors for in-vivo use, microfluidics and Forensic Science, single blood droplet clinical analyzers, ....Probing the internal contacts of all solid-state polymeric ion sensors. The results of this research will enable the development of robust and reliable all solid-state polymeric ion sensors. These sensors will enable solutions to significant environmental problems such as soil salinity and acidity, and may pave the way for new and exciting analytical applications, e.g., miniaturized implantable sensors for in-vivo use, microfluidics and Forensic Science, single blood droplet clinical analyzers, rugged solid contact ion sensors for use in submersible oceanographic analyzers, etc. The research will develop a unique in-situ neutron reflectometry technique for the study of electrochemical interfaces, providing scientific opportunities for the new Australian Replacement Research Reactor.Read moreRead less
Probing the interfaces of electrochemical sensors. The nanostructured surfaces of electrochemical sensors for iron, mercury and cadmium will be characterised by using a range of state-of-the-art surface analysis techniques. Whilst electrochemical sensors are extremely valuable in monitoring of trace metals in the aquatic environment, a knowledge of the surface chemical physics of the systems is vital in order to widen their use in analytical/environmental chemistry. This project will derive a u ....Probing the interfaces of electrochemical sensors. The nanostructured surfaces of electrochemical sensors for iron, mercury and cadmium will be characterised by using a range of state-of-the-art surface analysis techniques. Whilst electrochemical sensors are extremely valuable in monitoring of trace metals in the aquatic environment, a knowledge of the surface chemical physics of the systems is vital in order to widen their use in analytical/environmental chemistry. This project will derive a universal model for the surface chemistry and physics of electrochemical sensors, enabling environmental scientists to develop unique sensor methods for studying the speciation of environmentally important trace metals such as those mentioned above.Read moreRead less
STABILISATION OF TITANIA PIGMENTS FOR IMPROVED WATER-BASED PAINT APPLICATIONS. This project aims to improve the stability and optical properties of titania pigments in water-based paints. Tailored dispersing agents will be used to stabilise pigments in paints in both the wet and dry state. Enhanced understanding of the dispersing agents interaction with the titania pigment surface and the subsequent stability of the pigment in dry paint films will allow advances in water-based paint stability. T ....STABILISATION OF TITANIA PIGMENTS FOR IMPROVED WATER-BASED PAINT APPLICATIONS. This project aims to improve the stability and optical properties of titania pigments in water-based paints. Tailored dispersing agents will be used to stabilise pigments in paints in both the wet and dry state. Enhanced understanding of the dispersing agents interaction with the titania pigment surface and the subsequent stability of the pigment in dry paint films will allow advances in water-based paint stability. This understanding facilitates continued movement away from solvent-based paints required by environmental and health legislation. The potential growth in market share for the Australian pigment industry is in excess of $50M pa.Read moreRead less
Stabilisation of Titania Pigment Slurries During Processing. This project aims to improve the stabilisation properties of titania pigment slurries during production. Current polyphosphate dispersants used by Tiwest are unstable under processing conditions. Tailored, robust dispersing reagents will therefore be investigated in order to provide improved stabilisation of pigments during processing. Enhanced understanding of the dispersing reagents interaction with the titania pigment surface and th ....Stabilisation of Titania Pigment Slurries During Processing. This project aims to improve the stabilisation properties of titania pigment slurries during production. Current polyphosphate dispersants used by Tiwest are unstable under processing conditions. Tailored, robust dispersing reagents will therefore be investigated in order to provide improved stabilisation of pigments during processing. Enhanced understanding of the dispersing reagents interaction with the titania pigment surface and the subsequent stability of the pigment will allow advances in processing and consequently improved final products. The potential growth in market share, by improved product performance, is in excess of $50M pa.Read moreRead less