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Cooperativity in Spin Crossover Systems: Memory, Magnetism and Microporosity. Spin-crossover centres are a well known form of inorganic electronic switch for which variation of temperature, pressure and irradiation leads to a change in d-electron configuration and therefore changes to structure, colour and magnetism. Here we aim to synthesise and study a wide variety of new spin-crossover systems where cooperativitiy between centres, induced by careful supramolecular design, will lead to molecul ....Cooperativity in Spin Crossover Systems: Memory, Magnetism and Microporosity. Spin-crossover centres are a well known form of inorganic electronic switch for which variation of temperature, pressure and irradiation leads to a change in d-electron configuration and therefore changes to structure, colour and magnetism. Here we aim to synthesise and study a wide variety of new spin-crossover systems where cooperativitiy between centres, induced by careful supramolecular design, will lead to molecules and materials having memory retention, magnetic ordering and/or microporosity. The significance of these aims covers several fundamental questions in the science of electronic systems. We also identify a number of potential nanochemical switching applications for the unique systems proposed.Read moreRead less
Cooperativity in Spin-Crossover Systems: Memory, Magnetism and Microporosity. Spin-crossover centres are a well known form of inorganic electronic switch for which variation of temperature, pressure and irradiation leads to a change in d-electron configuration and therefore changes to structure, colour and magnetism. Here we aim to synthesise and study a wide variety of new spin-crossover systems where cooperativity between centres, induced by careful supramolecular design, will lead to molecule ....Cooperativity in Spin-Crossover Systems: Memory, Magnetism and Microporosity. Spin-crossover centres are a well known form of inorganic electronic switch for which variation of temperature, pressure and irradiation leads to a change in d-electron configuration and therefore changes to structure, colour and magnetism. Here we aim to synthesise and study a wide variety of new spin-crossover systems where cooperativity between centres, induced by careful supramolecular design, will lead to molecules and materials having memory retention, magnetic ordering and/or microporosity. The significance of these aims covers several fundamental questions in the science of electronic systems. We also identify a number of potential nanochemical switching applications for the unique systems proposed.Read moreRead less
ARC Molecular and Materials Structure Research Network. The Network will build powerful e-Science resources for the structural sciences. Collaborative remote access will be developed for sophisticated instrumentation, including instruments planned for the Replacement Research Reactor and Australian Synchrotron. A structure database service with cross disciplinary content and versatile visualisation and analysis capabilities will further exemplify smart information use. The internet services will ....ARC Molecular and Materials Structure Research Network. The Network will build powerful e-Science resources for the structural sciences. Collaborative remote access will be developed for sophisticated instrumentation, including instruments planned for the Replacement Research Reactor and Australian Synchrotron. A structure database service with cross disciplinary content and versatile visualisation and analysis capabilities will further exemplify smart information use. The internet services will ultimately harness the Grid, enabling linkage into other national and international Grid systems. Encompassing physics, computer science, applied mathematics, chemistry and biochemistry, and catalysing interaction across these disciplines, the MMSN will impact all five National Research Priority 3 goals.Read moreRead less
Thin Films of Oxide Ceramics. Aluminium oxide films are used extensively in the Australian industries of Protective & Decorative Coatings (examples include door-knobs and cutting-tools). The industry will be offered a remarkably simple process for preparation of high quality films. In the microelectronic industry, the uses of aluminium oxide films as a dielectric alternative to silicon dioxide has just started to emerge world - wide and this new process would make a dramatic impact with commerci ....Thin Films of Oxide Ceramics. Aluminium oxide films are used extensively in the Australian industries of Protective & Decorative Coatings (examples include door-knobs and cutting-tools). The industry will be offered a remarkably simple process for preparation of high quality films. In the microelectronic industry, the uses of aluminium oxide films as a dielectric alternative to silicon dioxide has just started to emerge world - wide and this new process would make a dramatic impact with commercial benefits for Australia. Read moreRead less
Special Research Initiatives - Grant ID: SR0354691
Funder
Australian Research Council
Funding Amount
$30,000.00
Summary
A Grid Enabled Network for the Molecular and Materials Structure Sciences. The Molecular and Materials Structure Network will propel leading-edge Science by building powerful e-Science resources that will compel innovative collaborations of profound National benefit. Remote access will be developed for structure determination instruments, including the Research Reactor and Australian Synchrotron. A structure database with cross disciplinary content and powerful visualisation and analysis capabil ....A Grid Enabled Network for the Molecular and Materials Structure Sciences. The Molecular and Materials Structure Network will propel leading-edge Science by building powerful e-Science resources that will compel innovative collaborations of profound National benefit. Remote access will be developed for structure determination instruments, including the Research Reactor and Australian Synchrotron. A structure database with cross disciplinary content and powerful visualisation and analysis capabilities will exemplify "smart information use". Encompassing physics, computer science, chemistry and biochemistry, and catalysing interaction across these disciplines, the MMSN will impact all four National Research Priority 3 goals, and will be linked to other national and international Grids to become part of the emerging global Grid.Read moreRead less
Nanomagnetic Molecular Materials. This research project involves the preparation of new molecular magnets using metals such as manganese and vanadium and a study of their physical properties. Metal compounds of the cluster type are significant since they are nanoscale in size and offer new quantum features, with an improved understanding of the magnetic properties as a primary outcome and long term possible use in future quantum computers. This fundamental study provides excellent training to p ....Nanomagnetic Molecular Materials. This research project involves the preparation of new molecular magnets using metals such as manganese and vanadium and a study of their physical properties. Metal compounds of the cluster type are significant since they are nanoscale in size and offer new quantum features, with an improved understanding of the magnetic properties as a primary outcome and long term possible use in future quantum computers. This fundamental study provides excellent training to post-graduate students and makes them ideally suited to take jobs in advanced materials, an area being emphasised in Australia's nanotechnological future.Read moreRead less
Designer Surfactants for Creation of Emulsion Properties. We propose new approaches to the design of surfactants for stabilising water in oil emulsions. New block copolymer surfactants may be "tailored" for head group structure and a pre-chosen hydrophilic/lipophilic balance at the oil-water interface using the Australian developed RAFT polymer synthesis method and polymeric inorganic species. The proposers have an extensive background in these areas.
X-ray and neutron scattering techniques, de ....Designer Surfactants for Creation of Emulsion Properties. We propose new approaches to the design of surfactants for stabilising water in oil emulsions. New block copolymer surfactants may be "tailored" for head group structure and a pre-chosen hydrophilic/lipophilic balance at the oil-water interface using the Australian developed RAFT polymer synthesis method and polymeric inorganic species. The proposers have an extensive background in these areas.
X-ray and neutron scattering techniques, developed by us, allow the interfacial structure of the surfactant to be found and the intellectual "loop" closed in the design process. Preliminary screening will be done using the surface balance and bulk emulsion synthesis.Read moreRead less
Nanomagnetic Materials from Molecular Clusters and Coordination Polymers. Magnetic materials are important through their use in recording tapes and other electronic devices. Traditional magnetic materials are metals, alloys or metal oxides made by high temperature methods. Our aims are to synthesize new chemical and molecule based solid materials which possess the properties of traditional magnets but which are made by careful chemical design at ambient temperatures. We will make materials which ....Nanomagnetic Materials from Molecular Clusters and Coordination Polymers. Magnetic materials are important through their use in recording tapes and other electronic devices. Traditional magnetic materials are metals, alloys or metal oxides made by high temperature methods. Our aims are to synthesize new chemical and molecule based solid materials which possess the properties of traditional magnets but which are made by careful chemical design at ambient temperatures. We will make materials which have three-dimensional network structures or large clusters of ions such as manganese bridged by organic molecules. Their magnetic properties will be studied in detail. The cluster compounds are significant since they are nanoscale in size and offer new features, with long term possible use in future quantum computers.Read moreRead less
Low viscosity, high ionic conductivity ionic liquids for lithium metal batteries. Current consumer electronic devices rely on lithium-ion batteries to provide a high energy density power source. There are growing safety concerns about the electrolytes in these devices after recent incidents involving fires in mobile phones. Recent advances in ionic liquids (ILs) have seen the development of new electrolytes for such devices, with enhanced physical properties that offer major safety advantages. H ....Low viscosity, high ionic conductivity ionic liquids for lithium metal batteries. Current consumer electronic devices rely on lithium-ion batteries to provide a high energy density power source. There are growing safety concerns about the electrolytes in these devices after recent incidents involving fires in mobile phones. Recent advances in ionic liquids (ILs) have seen the development of new electrolytes for such devices, with enhanced physical properties that offer major safety advantages. However, the viscosity of these materials currently limit their capabilities. New IL materials to be developed in this project will pave the way for the development of safer devices and new sustainable energy industries in Australia.Read moreRead less
A Direct Approach to Crystal Structure Determination - a solution to the phase problem. The purpose of this research is to determine the positions of atoms in crystals and nano-crystals. We have developed a theory that shows how to extract all of the information required to determine atomic positions from such crystals and we have carried through initial successful tests on simple materials. In particular, we have found that crystallographic phase, hitherto not directly measurable, can in fact b ....A Direct Approach to Crystal Structure Determination - a solution to the phase problem. The purpose of this research is to determine the positions of atoms in crystals and nano-crystals. We have developed a theory that shows how to extract all of the information required to determine atomic positions from such crystals and we have carried through initial successful tests on simple materials. In particular, we have found that crystallographic phase, hitherto not directly measurable, can in fact be extracted uniquely from a single electron diffraction pattern. This constitutes a solution to the phase problem in crystallography. It is now our aim to develop this method into a routine technique.Read moreRead less