Complex Interfaces and Solid-State Precipitation in Advanced Materials. Solid-state precipitates are key features of the microstructures of many natural and artificial materials and govern their properties. Yet understanding, let alone designing, the microstructures of materials remains a formidable challenge. The recent discovery of a new class of embedded interfaces in aluminium alloys offers the prospect of determining the atomic-scale mechanisms of precipitation. This project aims to apply t ....Complex Interfaces and Solid-State Precipitation in Advanced Materials. Solid-state precipitates are key features of the microstructures of many natural and artificial materials and govern their properties. Yet understanding, let alone designing, the microstructures of materials remains a formidable challenge. The recent discovery of a new class of embedded interfaces in aluminium alloys offers the prospect of determining the atomic-scale mechanisms of precipitation. This project aims to apply the latest microscopy and computational techniques synergistically to characterise such interfaces and develop atomic-scale mechanisms of nucleation and growth in model alloy systems. It is expected that this work will constitute a major step towards practical control of solid-state precipitation in technologically important materials.Read moreRead less
Novel 2-photon atom manipulation for ultra-nanoscale processing of diamond. There is intense interest in exploiting diamond's remarkable properties in many fields of science and technology, but fabricating and processing devices remains a major challenge. This project will build on previous work, using a recently discovered novel laser-induced surface phenomenon that enables, for the first time for any material, the exciting prospect of using light to manipulate surface atoms with atomic precis ....Novel 2-photon atom manipulation for ultra-nanoscale processing of diamond. There is intense interest in exploiting diamond's remarkable properties in many fields of science and technology, but fabricating and processing devices remains a major challenge. This project will build on previous work, using a recently discovered novel laser-induced surface phenomenon that enables, for the first time for any material, the exciting prospect of using light to manipulate surface atoms with atomic precision. This project aims to elucidate the mechanisms underpinning the optical interaction to reveal its full potential and use it to address key problems in diamond nano-device fabrication that lie beyond the reach of current techniques. It is expected that the outcomes will directly enhance Australia's current strengths in diamond-based quantum and photonic technologies.Read moreRead less
Exploring electronic functionality in low-dimensional carbon and boron-nitride nanomaterials via advanced theoretical modelling. This project will spawn innovative carbon/boron nitride materials for next-generation electronics devices by devising new strategies to manipulate and control electronic structure as well as charge/spin transport properties. Outcomes will include technological breakthroughs leading to truly smaller, faster and smarter electronics materials.
Mapping the family tree of carbon nanostructures: investigation of nanoscrolls and herringbones. New avenues of research in carbon science will be explored by defining a family tree of carbon nanostructures showing the relationship between forms. This project will investigate the properties of poorly unexplored relatives of the family; the results have the potential to impact on the choice of a material for a given application.
Mass transport in high entropy alloys. This project aims to understand mass transport in high entropy alloys. Alloys of 5 to 13 components have technologically attractive mechanical properties. A knowledge of mass transport could control their stabilities and optimise their properties. This project will develop an atomistic theory and a phenomenological method for rapidly performing experiments, and experiment on two key high entropy alloys. The outcome of this research will be an in-depth under ....Mass transport in high entropy alloys. This project aims to understand mass transport in high entropy alloys. Alloys of 5 to 13 components have technologically attractive mechanical properties. A knowledge of mass transport could control their stabilities and optimise their properties. This project will develop an atomistic theory and a phenomenological method for rapidly performing experiments, and experiment on two key high entropy alloys. The outcome of this research will be an in-depth understanding of mass transport that is expected to fast-track these alloys to commercial uptake.Read moreRead less
Topological effects and correlations in quantum materials. The project aims to advance the knowledge base that will support the development of novel quantum materials. Novel quantum materials, at the forefront of modern condensed matter physics, are qualitatively different from usual metals or semiconductors. The difference is due to their topological and correlation effects which create electron behaviour that creates highly unusual and useful material properties. The project aims to reveal the ....Topological effects and correlations in quantum materials. The project aims to advance the knowledge base that will support the development of novel quantum materials. Novel quantum materials, at the forefront of modern condensed matter physics, are qualitatively different from usual metals or semiconductors. The difference is due to their topological and correlation effects which create electron behaviour that creates highly unusual and useful material properties. The project aims to reveal the mechanisms behind the topological and correlation effects and develop methods to enhance and engineer desirable properties to facilitate creation of new materials. Expected project outcomes may be applicable to a range of fields, from creation of artificial quantum materials to novel methods of detection of dark matter.Read moreRead less
Non-precious fuel cell cathode catalysts from carbon-based nanohybrids: a computational to experimental quest. This joint computational-experimental project will address significant problems including high cost, limited availability and poor performance in traditional platinum-based fuel cell technology. The outcomes are expected to help address global energy problems through the development of inexpensive fuel cell catalysts based on carbon nanohybrids.
The bad metallic state in quantum materials. The project seeks to elucidate how an important quantum state of matter emerges from strong interactions between electrons. Quantum materials are a diverse class of materials whose unusual properties emerge from the strong interactions between electrons. Many have metallic phases with a low electrical conductivity (bad metals). The aim is to understand and characterise this quantum state of matter and how it emerges from the constituent electrons. An ....The bad metallic state in quantum materials. The project seeks to elucidate how an important quantum state of matter emerges from strong interactions between electrons. Quantum materials are a diverse class of materials whose unusual properties emerge from the strong interactions between electrons. Many have metallic phases with a low electrical conductivity (bad metals). The aim is to understand and characterise this quantum state of matter and how it emerges from the constituent electrons. An expected outcome will be falsification of specific theoretical models (based on techniques from string theory) and development of concepts that can be used to interpret experiments, including on ultra-cold atomic gases. Projected future benefits include new insights and concepts that may aid the design and synthesis of new materials for applications based on superconductivity, thermoelectricity and magnetoresistance.Read moreRead less
Targeting nano-catalysts for sustainable biorefining and chemical processes. This joint computational-experimental project aims to address one significant global challenge of developing sustainable technologies for important chemical processes. The project expects to discover new advanced nano-catalysts via a rapid single-step process which will replace toxic and corrosive liquid acids, and low efficient solid acids, used in emerging biorefining and petrochemistry. Advanced spectroscopic studies ....Targeting nano-catalysts for sustainable biorefining and chemical processes. This joint computational-experimental project aims to address one significant global challenge of developing sustainable technologies for important chemical processes. The project expects to discover new advanced nano-catalysts via a rapid single-step process which will replace toxic and corrosive liquid acids, and low efficient solid acids, used in emerging biorefining and petrochemistry. Advanced spectroscopic studies, in synergy with state-of-the-art ab initio calculations will be used to explore nanostructure-performance relationship in depth. Such cutting-edge knowledge will have profound implications on designing innovative catalysts with tailored activity for sustainable production of biofuels and chemicals.Read moreRead less
Two-dimensional graphitic carbon nitride heterostructures for solar hydrogen production. This project aims to develop a low cost and efficient photo-catalyst for splitting water into clean hydrogen fuel. Two-dimensional (2D) van der Waals hetero-structures (stacked 2D crystals) can modulate optical absorption, charge separation and hydrogen evolution activity better than a single 2D material and thus produce hydrogen more efficiently. The approach will build on recent success in controlling elec ....Two-dimensional graphitic carbon nitride heterostructures for solar hydrogen production. This project aims to develop a low cost and efficient photo-catalyst for splitting water into clean hydrogen fuel. Two-dimensional (2D) van der Waals hetero-structures (stacked 2D crystals) can modulate optical absorption, charge separation and hydrogen evolution activity better than a single 2D material and thus produce hydrogen more efficiently. The approach will build on recent success in controlling electron coupling at the hetero-interface. The materials and knowledge achieved from this project will advance the development of renewable energy technology, providing solutions to the global energy and environmental issues.Read moreRead less