Ultra-high mobility Dirac semimetal nanostructures for solid state devices. This project aims to develop novel Dirac semimetal nanostructures and determine their structural and chemical characteristics to ultimately assemble high-performance devices. The growth of band-engineered nanostructures and understanding their evolution, fine structure and unique properties are key steps for developing high-performance nanostructure-based devices. The new knowledge and skills developed in this project wi ....Ultra-high mobility Dirac semimetal nanostructures for solid state devices. This project aims to develop novel Dirac semimetal nanostructures and determine their structural and chemical characteristics to ultimately assemble high-performance devices. The growth of band-engineered nanostructures and understanding their evolution, fine structure and unique properties are key steps for developing high-performance nanostructure-based devices. The new knowledge and skills developed in this project will greatly enhance the knowledge base of nanoscience and nanotechnology, and will have a significant impact on practical applications of nanostructure-based devices. This project will underpin the development of next-generation electronic nanomaterials that will enhance the long-term viability of Australia’s high-technology industries.Read moreRead less
Dislocation motion and anelastic recovery in layered ceramic titanate. This project aims to research deformation and facture in brittle ceramic nanowire materials and anelastic behaviour in tensile deformation. Layered sodium titanate is used in energy storage and water treatment, but in-situ tensile tests have observed unconventional deformation behaviour, with significant dislocation motion and anelastic recovery. This project will study the deformation mechanism in layered sodium titanate nan ....Dislocation motion and anelastic recovery in layered ceramic titanate. This project aims to research deformation and facture in brittle ceramic nanowire materials and anelastic behaviour in tensile deformation. Layered sodium titanate is used in energy storage and water treatment, but in-situ tensile tests have observed unconventional deformation behaviour, with significant dislocation motion and anelastic recovery. This project will study the deformation mechanism in layered sodium titanate nanowires through molecular dynamics simulations, empirical interatomic potential, and in situ TEM experiments. Expected outcomes include knowledge of the deformation mechanism of this layered titanate which can be broadened to technologically important layered ceramic materials.Read moreRead less
Cost-effective metal selenide materials for solid-state devices. Thermoelectric materials, directly converting thermal energy into electrical energy, offer a green and sustainable solution for the global energy dilemma. This project aims to develop cost-effective metal selenide materials for high-efficiency solid-state devices using a novel industry-level approach, coupled with nanostructure and band engineering strategies. The key breakthrough is to design high-performance metal selenide thermo ....Cost-effective metal selenide materials for solid-state devices. Thermoelectric materials, directly converting thermal energy into electrical energy, offer a green and sustainable solution for the global energy dilemma. This project aims to develop cost-effective metal selenide materials for high-efficiency solid-state devices using a novel industry-level approach, coupled with nanostructure and band engineering strategies. The key breakthrough is to design high-performance metal selenide thermoelectric materials with engineered chemistry and unique structures for new generation thermoelectrics. The expected outcomes will lead to an innovative technology for harvesting electricity from waste heat or sunlight, which will place Australia at the forefront of energy and manufacturing technologies.Read moreRead less
A Novel Multilevel Modelling Framework to Design Diamond Nanothread Bundles. This project aims to develop a novel, computationally-based framework to optimally and efficiently design new fibre materials based on the diamond nanothreads synthesized by the PI in 2014. The CIs (and others) have demonstrated the tremendous promise these materials hold to replace common carbon fibres. The proposed framework will combine advanced computer modelling, statistical learning, genetic algorithm-based optima ....A Novel Multilevel Modelling Framework to Design Diamond Nanothread Bundles. This project aims to develop a novel, computationally-based framework to optimally and efficiently design new fibre materials based on the diamond nanothreads synthesized by the PI in 2014. The CIs (and others) have demonstrated the tremendous promise these materials hold to replace common carbon fibres. The proposed framework will combine advanced computer modelling, statistical learning, genetic algorithm-based optimal design and experimental validations. It will accelerate the design of these new carbon-based fibres as game-changing materials in a wide range of areas. Ultimately this project has the potential to deliver significant economic benefits and will place Australia at the forefront of the industrial revolution of the future.Read moreRead less
Understanding the role of catalysts in the epitaxial growth of multinary III-V semiconductor nanowires and nanowire heterostructures. This project will address a bottle-neck problem in the nanowire community. The outcomes of this project will provide new knowledge in nanoscience and guidelines for the development of nanowire-based nanodevices and nanosystems. This is strategically important to place Australia at the forefront of developments on nanoscience and nanotechnology.
Trapping and Watching Biomolecular Complexes near Nanopores. This project aims to develop a technology to trap and interrogate nanosized molecular complexes in their natural state. Nanosized complexes in water provide the core machinery of biological systems and require detailed understanding to help unravel fundamental biological mechanisms. A prototype of a methodology has been developed to trap and interrogate nanoscaled objects as small as 190 nanometres within a nanopore device. By performi ....Trapping and Watching Biomolecular Complexes near Nanopores. This project aims to develop a technology to trap and interrogate nanosized molecular complexes in their natural state. Nanosized complexes in water provide the core machinery of biological systems and require detailed understanding to help unravel fundamental biological mechanisms. A prototype of a methodology has been developed to trap and interrogate nanoscaled objects as small as 190 nanometres within a nanopore device. By performing research to fully understand, miniaturise and develop this method further, this project aims to enable the quantitative observation of nanoscaled biological machinery involved in cell-to-cell communication and DNA unfolding. Such a technology platform may have applications in areas such as biology, biotechnology and advanced materials.Read moreRead less
Understanding the properties of layered nanostructures using in-situ TEM. This project aims to support the practical applications of layered nanostructure-based devices and systems. The development of layered chalcogenide nanostructures is a global research focus due to their potential applications in the energy sector. However, their structure–property link is unclear due to the lack of direct correlation between their structure and properties. This project aims to establish the intrinsic struc ....Understanding the properties of layered nanostructures using in-situ TEM. This project aims to support the practical applications of layered nanostructure-based devices and systems. The development of layered chalcogenide nanostructures is a global research focus due to their potential applications in the energy sector. However, their structure–property link is unclear due to the lack of direct correlation between their structure and properties. This project aims to establish the intrinsic structure–property link by closely correlating the structure (and structural variations) and properties (and varied properties) simultaneously determined from individual nanostructures inside a transmission electron microscope. Expected project outcomes may advance the knowledge base, and provide guidelines for the development of nanostructure-based devices for their high-performance applications, especially in the energy sector.Read moreRead less
Perovskite Materials: Exploring properties beyond solar cells. This project aims to explore functionalities of metal halide perovskite materials for sustainable solar energy conversion and storage, beyond the heavily studied perovskite solar cell application. The project intends to design toxic lead free/less perovskite materials for an integrated photoelectrochemical hydrogen production and solar rechargeable battery system. It will study the relations between material synthesis conditions, dev ....Perovskite Materials: Exploring properties beyond solar cells. This project aims to explore functionalities of metal halide perovskite materials for sustainable solar energy conversion and storage, beyond the heavily studied perovskite solar cell application. The project intends to design toxic lead free/less perovskite materials for an integrated photoelectrochemical hydrogen production and solar rechargeable battery system. It will study the relations between material synthesis conditions, device structure and performance of the photoelectrochemical system. Expected outcomes are low cost and more efficient solar-to-hydrogen conversion and solar energy storage devices, important for sustainable use of intermittent solar energy.Read moreRead less
A new lapping process for difficult-to-machine brittle materials. This project aims to address a timely bottleneck issue in the conventional lapping of difficult-to-machine optoelectronic brittle materials. An innovative chemically enhanced lapping technology for fabricating such materials is expected to reduce machined subsurface damage. This is significant because it would shorten the subsequent finishing process and minimise the manufacturing cost. Intended outcomes from this project also inc ....A new lapping process for difficult-to-machine brittle materials. This project aims to address a timely bottleneck issue in the conventional lapping of difficult-to-machine optoelectronic brittle materials. An innovative chemically enhanced lapping technology for fabricating such materials is expected to reduce machined subsurface damage. This is significant because it would shorten the subsequent finishing process and minimise the manufacturing cost. Intended outcomes from this project also include an advanced machining theory and innovations in material removal characterisation. This breakthrough technology should benefit the design and fabrication of high performance electronic devices for energy, medicine and communication sectors with considerable impact on the Australian economy.Read moreRead less
Understanding grain boundary segregation - a route to developing new advanced engineering materials. This project will investigate atomic-scale grain boundary segregation - one of the most important factors influencing the properties of engineering alloys. This will be applied in the development of new Ti, Zr and nanocrystalline alloys with a large potential market and for which Australia is extremely well positioned to become a major producer.