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Understanding nanostructure in lead-containing piezoceramics - the key to improved and environmentally-friendly materials. Lead-containing piezoelectric ceramics form the basis of multi-billion dollar industries, posing an increasingly serious environmental threat due to the toxicity of lead. By obtaining a detailed understanding of how their properties arise from their nanoscale structure and chemistry, our research will lead to improvements in existing materials and aid the quest for environme ....Understanding nanostructure in lead-containing piezoceramics - the key to improved and environmentally-friendly materials. Lead-containing piezoelectric ceramics form the basis of multi-billion dollar industries, posing an increasingly serious environmental threat due to the toxicity of lead. By obtaining a detailed understanding of how their properties arise from their nanoscale structure and chemistry, our research will lead to improvements in existing materials and aid the quest for environmentally-friendly alternatives. We will use a methodology for the elucidation of local structure and dynamics in which we are world leaders. The project will further enhance our standing in the field, provide excellent research training for students and early-career researchers and highlight the power and potential of Australia's new Synchrotron and OPAL research reactor.Read moreRead less
Nano-structured sol-gels synthesised under microgravity conditions. This project aims to study the nano-structured silica formation under microgravity conditions using a sol-gel process. In the absence of gravitional forces and associated free convective disturbances, the sol reaction in our preliminary testing with NASA has revealed fundamental reorganisation in nano properties (i.e. fractal dimension, pore size, surface area and pore volume) as compared to tests carried out under normal gravi ....Nano-structured sol-gels synthesised under microgravity conditions. This project aims to study the nano-structured silica formation under microgravity conditions using a sol-gel process. In the absence of gravitional forces and associated free convective disturbances, the sol reaction in our preliminary testing with NASA has revealed fundamental reorganisation in nano properties (i.e. fractal dimension, pore size, surface area and pore volume) as compared to tests carried out under normal gravity conditions. This is a key feature of scientific interest for the production of nanomaterials for applications such as linear and non-linear optical materials and quantum materials.Read moreRead less
New Nanoscale Up-converting Photoluminescent Materials for Passive Safety Visual Systems. The demand for safety and security products is growing as the importance of providing an environment safer from natural, accidental or man-made threats increases in the community. Life safety applications in buildings and work environments as well as trains and planes for example are dependent upon the ability for non-powered passive systems to give efficient visual guidance in dangerous dark and smoke fill ....New Nanoscale Up-converting Photoluminescent Materials for Passive Safety Visual Systems. The demand for safety and security products is growing as the importance of providing an environment safer from natural, accidental or man-made threats increases in the community. Life safety applications in buildings and work environments as well as trains and planes for example are dependent upon the ability for non-powered passive systems to give efficient visual guidance in dangerous dark and smoke filled environments. This project will provide a practical demonstration of the successful implementation of nanotechnology to smaller Australian companies where it will overcome significant drawbacks in current manufacturing and yield new products which are activated in darkness by infrared radiation.Read moreRead less