Does High Temperature Superconductivity Reside in Plane or Charge Reservoir (CR) Oxygen, in YBa2Cu3O7 (YBC)? One of the outstanding problems in contemporary solid state physics concerns the mechanism of high temperature superconductivity (HTS). In particular, what binds charges that normally repel one another, into (Cooper) pairs? Closely related to this question is where the superconductivity resides in the material. We aim to answer the latter question in the much studied prototypical HTS YBa2 ....Does High Temperature Superconductivity Reside in Plane or Charge Reservoir (CR) Oxygen, in YBa2Cu3O7 (YBC)? One of the outstanding problems in contemporary solid state physics concerns the mechanism of high temperature superconductivity (HTS). In particular, what binds charges that normally repel one another, into (Cooper) pairs? Closely related to this question is where the superconductivity resides in the material. We aim to answer the latter question in the much studied prototypical HTS YBa2Cu3O7. In doing so we expect to demonstrate that phonons, widely believed not to play a role in HTS are in fact an important component in the HTS pairing mechanism.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0882878
Funder
Australian Research Council
Funding Amount
$350,000.00
Summary
Facility for imaging, manipulation and measurement of molecular-scale quantum materials. The development of functional electronic devices relies on understanding how properties on the atomic-scale influence the performance of new device materials. We will develop the capability to image and manipulate surfaces, and enable new protocols for probing the quantum properties of a wide range of materials that cannot currently be accessed at the molecular-level. By facilitating studies of important eme ....Facility for imaging, manipulation and measurement of molecular-scale quantum materials. The development of functional electronic devices relies on understanding how properties on the atomic-scale influence the performance of new device materials. We will develop the capability to image and manipulate surfaces, and enable new protocols for probing the quantum properties of a wide range of materials that cannot currently be accessed at the molecular-level. By facilitating studies of important emerging materials such as diamond, fullerenes and magnetic molecules, the facility aims to place Australia at the forefront of new areas of surface and device science, and to develop new devices for quantum metrology, information and molecular detection within frontier quantum industries.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0775545
Funder
Australian Research Council
Funding Amount
$445,000.00
Summary
Infrastructure for Surface and Molecular-level Electronic and Spintronic Materials Measurement. It is recognised that molecular-state materials will play an important role in the development of new approaches to metrology, information processing and sensitive detection. Building on our existing expertise and infrastructure for nanoscale fabrication and surface analysis, we will develop a measurement capability for the study of atomic-scale and molecular-state materials, such as doped fullerenes, ....Infrastructure for Surface and Molecular-level Electronic and Spintronic Materials Measurement. It is recognised that molecular-state materials will play an important role in the development of new approaches to metrology, information processing and sensitive detection. Building on our existing expertise and infrastructure for nanoscale fabrication and surface analysis, we will develop a measurement capability for the study of atomic-scale and molecular-state materials, such as doped fullerenes, bio-materials, magnetic molecules, single implanted atoms and isolated optical centres, which show great promise for breakthrough fundamental science and the application of quantum phenomena to frontier nanoelectronics industries.Read moreRead less
Quantum transport in carbon-based materials. Carbon-based molecular materials will play an important role to frontier nanoelectronics industries. Building on our existing expertise and infrastructure for nanoscience, and employing new facilities at the Australian synchrotron, we aim to develop a unique approach to molecular-scale quantum device engineering utilising pure-carbon materials. New protocols for materials control of electronic structure at the molecular level will be developed to demo ....Quantum transport in carbon-based materials. Carbon-based molecular materials will play an important role to frontier nanoelectronics industries. Building on our existing expertise and infrastructure for nanoscience, and employing new facilities at the Australian synchrotron, we aim to develop a unique approach to molecular-scale quantum device engineering utilising pure-carbon materials. New protocols for materials control of electronic structure at the molecular level will be developed to demonstrate carbon as a quantum material, a high profile objective that will place Australia at the forefront of a new area of surface and device science. Read moreRead less
Photoemission studies of Fermi surfaces, of wide bandgap semi-conductors and quasi crystals. Knowledge of the detailed shape of the Fermi surface of a conducting material is vital for an understanding of its electrical and magnetic properties. We will use angle resolved photo-emission in conjunction with synchrotron radiation to explore the Fermi surfaces of technologically important magnetic alloys, the mechanism driving the occurance of charge density waaves in layer compounds and the electron ....Photoemission studies of Fermi surfaces, of wide bandgap semi-conductors and quasi crystals. Knowledge of the detailed shape of the Fermi surface of a conducting material is vital for an understanding of its electrical and magnetic properties. We will use angle resolved photo-emission in conjunction with synchrotron radiation to explore the Fermi surfaces of technologically important magnetic alloys, the mechanism driving the occurance of charge density waaves in layer compounds and the electronic properties of wide band-gap semi-conductors such as GaN, SiC and of selected quasi crystals. These measurements will be performed using a unique high resolution toroidal spectrometer currently under construction at La Trobe university.Read moreRead less
Decoherence in quantum computing and quantum electromechanical systems. Australia is one of the world leaders in fundamental studies and implementation of quantum computing and quantum electromechanical systems. By developing a framework to quantify and control noise due to decoherence in such systems, this research will facilitate progress in the development and understanding of quantum computing and quantum electromechanical devices. The project will also significantly strengthen the general r ....Decoherence in quantum computing and quantum electromechanical systems. Australia is one of the world leaders in fundamental studies and implementation of quantum computing and quantum electromechanical systems. By developing a framework to quantify and control noise due to decoherence in such systems, this research will facilitate progress in the development and understanding of quantum computing and quantum electromechanical devices. The project will also significantly strengthen the general representation of research on decoherence, a field of crucial importance to many areas of theoretical and experimental physics, in Australia. Funding of this project will enable Australia to further expand its leading position in cutting-edge science and next-generation technology.
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Development of SmCo-based High Temperature Permanent Magnets: Microstructure and Coercivity Mechanism. This project is to develop high performance permanent magnets for elevated temperature applications. Microstructure and magnetic properties will be examined using atom probe, TEM, XRD and magnetometry. The specific atom probe is the state-of-the-art technique for the characterization of nanostructure and falls in the designated National Research Priority 3, PG2 Frontier Technologies (nanotechno ....Development of SmCo-based High Temperature Permanent Magnets: Microstructure and Coercivity Mechanism. This project is to develop high performance permanent magnets for elevated temperature applications. Microstructure and magnetic properties will be examined using atom probe, TEM, XRD and magnetometry. The specific atom probe is the state-of-the-art technique for the characterization of nanostructure and falls in the designated National Research Priority 3, PG2 Frontier Technologies (nanotechnology). The magnet alloys concerned are an example of Advanced Materials (NRP3, PG3), possessing the best performance amongst such functional materials. The expertise gained in the use of the atom probe technique in this project will have broader applications in the study of nanostructured materials and other metal alloy problems within Australia.Read moreRead less
Superfluidity in strongly correlated ultra-cold atomic Fermi gases. Ultra-cold atoms are one of the most rapidly developing areas in twenty-first century physics. The scientific importance of studying strongly interacting Fermi gases is indicated by the fact that five Nobel prizes in physics were awarded in fields relevant to ultra-cold atoms in the last decade. Australia is now developing a reputation for world-class research in this new area, with new ultra-cold fermion experiments now underwa ....Superfluidity in strongly correlated ultra-cold atomic Fermi gases. Ultra-cold atoms are one of the most rapidly developing areas in twenty-first century physics. The scientific importance of studying strongly interacting Fermi gases is indicated by the fact that five Nobel prizes in physics were awarded in fields relevant to ultra-cold atoms in the last decade. Australia is now developing a reputation for world-class research in this new area, with new ultra-cold fermion experiments now underway in Melbourne. This project will build national and international cooperation in this field, provide world-class research training opportunities and advance Australia's leadership position. As well as improving scientific understanding, it has the potential to lead to new energy-saving technologies in the future.Read moreRead less
Ultracold atomic Fermi gases in the strongly interacting regime: A new frontier of quantum many-body physics. Ultra-cold atoms are one of the most rapidly developing areas in twenty-first century physics. The scientific importance of studying strongly interacting Fermi gases is indicated by the fact that five Nobel prizes in physics have been awarded in fields relevant to ultra-cold atoms in the last decade. Australia is now developing a reputation for world-class research in this new area, with ....Ultracold atomic Fermi gases in the strongly interacting regime: A new frontier of quantum many-body physics. Ultra-cold atoms are one of the most rapidly developing areas in twenty-first century physics. The scientific importance of studying strongly interacting Fermi gases is indicated by the fact that five Nobel prizes in physics have been awarded in fields relevant to ultra-cold atoms in the last decade. Australia is now developing a reputation for world-class research in this new area, with new cold-fermion experiments now underway in Melbourne. This project will build national and international cooperation in this field, provide world-class research training opportunities and advance Australia's leadership position. As well as improving scientific understanding, it has the potential to lead to new energy-saving technologies in future.Read moreRead less
Imbalanced superfluidity: The quantum mystery that defies solution. The project focuses on ground-breaking research in ultra-cold atomic Fermi gases, the fastest developing area in twenty-first century physics. Australia has already invested heavily in ultra-cold atomic Bose gases including atom lasers. An experimental program on atomic Fermi gases has also been initiated in the ARC Centre of Excellence for Quantum-Atom Optics (ACQAO). Our project, if successful, will help elevate Australia to a ....Imbalanced superfluidity: The quantum mystery that defies solution. The project focuses on ground-breaking research in ultra-cold atomic Fermi gases, the fastest developing area in twenty-first century physics. Australia has already invested heavily in ultra-cold atomic Bose gases including atom lasers. An experimental program on atomic Fermi gases has also been initiated in the ARC Centre of Excellence for Quantum-Atom Optics (ACQAO). Our project, if successful, will help elevate Australia to a major international research centre in cold Fermi gases, complementing its ongoing strength developed through the ACQAO experiments, and will bring fundamental knowledge that could have a significant and profound influence upon future technologies: for example, novel electronics, lossless power transmission and magnetic levitation.Read moreRead less