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Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668481
Funder
Australian Research Council
Funding Amount
$140,385.00
Summary
Time-resolved observation of highly transient events by a novel digital high-speed camera. Highly transient, that is, rapidly changing, events occur in nature and in almost every field of science and engineering. Knowledge and understanding of these processes is vital for the design of better and innovative machines, materials and instruments. Valuable insight into these processes can be gained if one can visualise them by means of high-speed photography. This application seeks the acquisition o ....Time-resolved observation of highly transient events by a novel digital high-speed camera. Highly transient, that is, rapidly changing, events occur in nature and in almost every field of science and engineering. Knowledge and understanding of these processes is vital for the design of better and innovative machines, materials and instruments. Valuable insight into these processes can be gained if one can visualise them by means of high-speed photography. This application seeks the acquisition of a novel and unique digital camera system that would allow one to observe rapidly occurring processes with unprecedented clarity. The availability of such a system would significantly strengthen cutting-edge research activities in various disciplines that would ultimately lead to the development of original and innovative products.Read moreRead less
The Role of Thermodynamics and Kinetics in Self-Assembly of Metallic Nanocrystals. Global interest in metallic nano-crystals has recently increased dramatically as the realized applications of these structures begin to span the fields of nanotechnology and nano-biotechnology. In all these applications, control of the size and morphology of the nano-particles is critically important, as these characteristics determine their electronic, optical and catalytic properties. This requires an understa ....The Role of Thermodynamics and Kinetics in Self-Assembly of Metallic Nanocrystals. Global interest in metallic nano-crystals has recently increased dramatically as the realized applications of these structures begin to span the fields of nanotechnology and nano-biotechnology. In all these applications, control of the size and morphology of the nano-particles is critically important, as these characteristics determine their electronic, optical and catalytic properties. This requires an understanding of the underlying thermodynamic and kinetic driving forces, which govern nano-particle nucleation, growth and stability. This project will investigate the role of surface thermodynamics and growth kinetics in the nucleation, growth and stability of metallic nano-crystals in order to understand how to control their synthesis.Read moreRead less
Plasma processes for optimising the performance of surfaces for biomedical applications. Australia faces a number of pressing problems in health care, including an aging population, environmental damage control and national security, which can be addressed, in part, by effectively interface synthetic materials surfaces with biological systems. Examples of technologies relying on such functional interfaces include implantable medical devices and prostheses, enzymatic conversion of chemicals and w ....Plasma processes for optimising the performance of surfaces for biomedical applications. Australia faces a number of pressing problems in health care, including an aging population, environmental damage control and national security, which can be addressed, in part, by effectively interface synthetic materials surfaces with biological systems. Examples of technologies relying on such functional interfaces include implantable medical devices and prostheses, enzymatic conversion of chemicals and waste, as well as diagnostic arrays and biosensors. The new understanding of fundamental surface properties driving these interactions, together with the new surface modification processes developed in this project, will drive new technologies in these important areas.Read moreRead less
High Energy Heavy Ions in Materials Science. The outcome of this project is to develop a more accurate predictor of the rate of energy loss of high energy heavy ions in solids which will have profound implications in the use of these particles in ion implantation, materials analysis and medical physics applications. It will contribute to the development of new high technology materials and to the application of high energy ions to medical treatment procedures.
Optical Nano-plasmonics. There is much current interest and excitement in nano-optics, where light interacts with features on its own scale or finer than it. One way of achieving strong interactions between light and finely structured systems is to incorporate metallic elements, and use the resonances called surface plasmons which arise due to electric currents flowing on the metal. We will develop accurate ways of calculating the properties of these plasmons for a range of metal-dielectric syst ....Optical Nano-plasmonics. There is much current interest and excitement in nano-optics, where light interacts with features on its own scale or finer than it. One way of achieving strong interactions between light and finely structured systems is to incorporate metallic elements, and use the resonances called surface plasmons which arise due to electric currents flowing on the metal. We will develop accurate ways of calculating the properties of these plasmons for a range of metal-dielectric systems, in order to design highly miniaturized structures which can manipulate light for applications in optical sensors and related devices.Read moreRead less
Helium Atom Detection in Scanning Helium Microscopy. The development of an imaging helium atom detector based on carbon nanotubes would be world-first achievement and would place Australia at the forefront of technology in this field. The concurrent goal of understanding the contrast mechanisms that occur in helium atom scattering is also fundamental to the development of the scanning helium microscope. This project secures Australia's position at the forefront of atom microscopy by strategicall ....Helium Atom Detection in Scanning Helium Microscopy. The development of an imaging helium atom detector based on carbon nanotubes would be world-first achievement and would place Australia at the forefront of technology in this field. The concurrent goal of understanding the contrast mechanisms that occur in helium atom scattering is also fundamental to the development of the scanning helium microscope. This project secures Australia's position at the forefront of atom microscopy by strategically targeting the cutting-edge science critical for this emerging technology. A significant side-benefit of a nanotube based detector is that it could be incorporated into battery-operated portable gas sensors for use in environmental, industrial and even counter-terrorism applications.Read moreRead less
Soft modes in glasses: chemical control of relaxation and mechanical response. The unusual dynamical and mechanical properties of viscous liquids and glasses underpins many existing and emerging technologies, from lubrication to the strength and fragility of bulk metallic glasses. An improved understanding of how macroscopic properties such as viscous flow, ductility and fracture emerge from the microscopic interactions between atoms and molecules will provide the enabling scientific knowledge f ....Soft modes in glasses: chemical control of relaxation and mechanical response. The unusual dynamical and mechanical properties of viscous liquids and glasses underpins many existing and emerging technologies, from lubrication to the strength and fragility of bulk metallic glasses. An improved understanding of how macroscopic properties such as viscous flow, ductility and fracture emerge from the microscopic interactions between atoms and molecules will provide the enabling scientific knowledge for exploiting the properties of such materials on the nanoscale. National expertise in this area will help establish and strengthen international collaboration with leading research institutes in the field.Read moreRead less
THE STABILITY OF GLASS-FORMING ALLOYS: SIMULATION STUDIES. Many of the properties that make common glass so valuable as a material can also be achieved in amorphous metals. The 'trick' is to avoid crystallization as the molten state is cooled. Recently, novel combinations of metals have been found to slow down crystallization enough to produce stable amorphous alloys. Developing these new materials depends on an accurate atomic level understanding of how crystallization is frustrated in glass-fo ....THE STABILITY OF GLASS-FORMING ALLOYS: SIMULATION STUDIES. Many of the properties that make common glass so valuable as a material can also be achieved in amorphous metals. The 'trick' is to avoid crystallization as the molten state is cooled. Recently, novel combinations of metals have been found to slow down crystallization enough to produce stable amorphous alloys. Developing these new materials depends on an accurate atomic level understanding of how crystallization is frustrated in glass-forming alloys. This project's aim is to use computer simulations to provide the first microscopic picture of the atomic order that stabilzes the amorphous alloys with regards to both crystallization and mechanical stress.Read moreRead less
High Resolution Imaging and Analysis of Embedded Interfaces and Interface Phase Transitions in Interface-Dominated Nanomaterials. Heterogeneous nanostructured materials and assemblies offer unique structure-property relationships, dominated by the internal interfaces they contain. This interdisciplinary research project will combine novel techniques based on high-resolution phase-retrieval x-ray diffraction and imaging, with complementary analytical electron microscopy and atom probe analysis, i ....High Resolution Imaging and Analysis of Embedded Interfaces and Interface Phase Transitions in Interface-Dominated Nanomaterials. Heterogeneous nanostructured materials and assemblies offer unique structure-property relationships, dominated by the internal interfaces they contain. This interdisciplinary research project will combine novel techniques based on high-resolution phase-retrieval x-ray diffraction and imaging, with complementary analytical electron microscopy and atom probe analysis, in a coordinated study of the structure and properties of embedded interfaces in strategic bi-crystals and nanostructures. It promises new techniques for the study of such defects, and a breakthrough in the understanding of the structural transitions that occur in embedded interfaces as a function of local changes in composition and temperature.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0346888
Funder
Australian Research Council
Funding Amount
$288,000.00
Summary
3-D Optical Surface Profiler. Establishing a state-of-the-science 3-D optical surface profiler will enable macroscopic, microscopic and nanoscopic profiling of surfaces over a very broad range of research programs including, laser cleaning and surface modification, laser precision microfabrication, surface, materials and device characterisation and optical physics applications. The importance and significance of these projects has already been established by the projects having competitive fundi ....3-D Optical Surface Profiler. Establishing a state-of-the-science 3-D optical surface profiler will enable macroscopic, microscopic and nanoscopic profiling of surfaces over a very broad range of research programs including, laser cleaning and surface modification, laser precision microfabrication, surface, materials and device characterisation and optical physics applications. The importance and significance of these projects has already been established by the projects having competitive funding. The instrument will undoubtedly support many additional research programs. It is similar to an Atomic-Force-Microscope or stylus profilometer but has significant additional capabilites. These include profiling much larger areas at sub-nanometre resolution and the non-contact nature of the technique. These features will enable surface characterisation that can not be achieved by other means.Read moreRead less