A UNSW study demonstrates all-electrical spin-to-charge conversion without magnetic field, enabling fast detection of spin accumulation in strongly spin-orbit coupled materials. The non-linear method facilitates orders of magnitude faster detection and time-resolved read-out down to 1 nanosecond resolution.
Researchers at the University of Wollongong have developed a new thermoelectric material with record-high conversion efficiency, improving heat-to-electricity conversion by over 60%. The discovery could enable the creation of body-heat powered personal devices, revolutionizing low-maintenance electronics and zero-carbon power generation.
A new UNSW study comprehensively reviews the magnetic structure of bismuth ferrite (BiFeO3), a multiferroic material that displays both magnetic and electronic ordering at room temperature. This unique property allows for low-energy switching in data storage devices, making it a promising material for future, low-energy data storage.
A new semiconductor superlattice device enables superconductivity at temperatures as warm as -3°C, paving the way for ultra-low-energy electronics. The study proposes a 3D exciton superfluid state in stacked atomically-thin layers of transition metal dichalcogenide materials.
Researchers have made a groundbreaking discovery about the role of heat in quantum impurity studies, extending our understanding of thermodynamics. The study reveals that two distinct experimental protocols probe the same information, providing new insights into quantum correlations.
Researchers review 'multi-state memory' data storage technology that stores more than just 0s and 1s, enabling high-density storage and fast access. The technology has the potential to enhance storage density without scaling down device dimensions.
Scientists at UNSW have created a method to produce high-quality two-dimensional MoS2 semiconductors without grain boundaries. By using gallium metal in its liquid state, researchers were able to form the desired MoS2 material on an atomically smooth surface, paving the way for ultra-low energy electronics with fast switching speeds.
The Australian Quantum Vortex team has been named a finalist in the Australian Museum Eureka Prizes for their groundbreaking study on turbulence. The team's use of laser technologies to observe quantum origins of turbulence has provided new insights into the behavior of vortices, which influence global weather and flight patterns.
A Monash University-led study identifies many-body dephasing as a fundamental cause of quasiparticle death, affecting superconductivity and superfluidity. The research sheds new light on the nature of quasiparticles and has potential implications for near-zero resistance electronic devices.
Researchers have confirmed that calcium atoms create a high-temperature superconductor when injected into graphene on a silicon-carbide substrate. The calcium atoms 'float' between the upper graphene layer and the lower 'buffer' sheet, surprising scientists who had expected them to be between two carbon layers.
Researchers reviewed the fundamental theories underpinning the quantum anomalous Hall effect (QAHE), a key feature of emerging 'quantum' materials. QAHE causes zero-resistance electrical current along material edges and has potential for reducing power consumption in electronic devices.
A new study reveals that all initial vortex arrangements in superfluids collapse to form a 'Rankine' super-vortex distribution, similar to a top hat. This universal dynamics phenomenon explains how superfluids dissipate their energy via quantised vortices.
A study finds that exchange and correlation effects significantly impact the electron mobility of Na3Bi, leading to unexpectedly fast conduction electrons. The research uses a scanning-tunnelling microscope technique to map the electronic structure in the material.
Researchers successfully demonstrated that interlayer coupling in a van der Waals material can be largely modulated by a protonic gate. This discovery opens the way to exciting new uses of vdW materials with potential applications in high-temperature devices and 2D multiferroics.
The study used neutron spectroscopy to measure lattice vibrations in ultra-thin alumina particles, confirming theoretical predictions. The findings have implications for controlling heat transfer through ultra-thin materials, potentially benefiting electronics and future spacecraft designs.
A new study applies liquid-metal synthesis to create atomically-thin tin-monosulfide with excellent electronic and piezoelectric properties, enabling flexible nanogenerators for wearable electronics and biosensors. The resulting material displays high durability and flexibility, making it suitable for commercial implementation.
Spin-gapless semiconductors (SGSs) bridge zero-gap materials and half-metals, exhibiting fully spin-polarized electrons and holes. Dirac type SGSs show extremely high electron mobility, enabling dissipationless edge states for ultra-fast electronics.
Monash researchers have successfully applied 'magic angle' twistronics to control the flow of light in extreme ways. By stacking two thin sheets of molybdenum-trioxide and rotating one layer, they observed controllable light waves over a wide range of wavelengths, enabling robust light propagation in tightly focused beams.
Researchers at UNSW Sydney synthesized ultra-thin carbon-based materials using liquid metals and organic fuels at room temperature, a first for this method. The ultra-smooth surface of the liquid metals templates atomically-thin carbon-based sheets, which can be used in various applications including battery storage and solar cells.
A new Australian study uses sound waves to probe the unique properties of an ultracold quantum gas, a model system for certain superconductors and nuclear matter. The research reveals strong variations in sound wave behavior as a function of temperature.
A new AI-driven system, DeepSPM, demonstrates fully-autonomous Scanning Probe Microscopy (SPM) operation, allowing for optimal data acquisition and quality assessment without human supervision. This breakthrough enables long-term SPM operation and bridges the gap between nanoscience, automation, and artificial intelligence.
Low-energy and high energy states in a layered superconducting material are found to be correlated. The study uses multidimensional spectroscopy to probe quantum coherence, producing coherent excitations lasting up to 500 femtoseconds.
Researchers have observed 'quantum depletion' in a non-equilibrium Bose-Einstein condensate, discovering that 'light-like' condensates don't behave as expected. The team detected 'ghost excitations' arising from quantum depletion, resolving a long-standing problem in exciton-polariton condensates.
Researchers at FLEET have made a significant step in solving the primary challenge of information stability in domain-wall nanoelectronic data storage. By introducing designer defects, they were able to clamp down domain walls, effectively preventing ferroelectric domain relaxation and promoting superior polarisation retention.
Researchers have discovered unconventional energy- and direction-dependent spin textures on the surface of pyrite-type crystals, enabling both in-plane and out-of-plane spin components. This finding opens new possibilities for topological spintronics devices and unlocks the potential of pyrite in future spintronics applications.
Australian researchers have fabricated a self-assembled, carbon-based nanofilm where the charge state can be controlled at the level of individual molecules. The system has exciting implications for fields like computer memory, light-emitting devices and quantum computing.
Researchers observe novel phase of matter, excitonic insulator, in antimony nanoflakes, which could lead to breakthroughs in low-energy electronics. The findings provide a new strategy to search for excitonic insulators and potentially carry exotic superfluids.
Scientists at FLEET discovered novel magnetic properties in 2D structures with potential for ultra-high speed and low-energy electronic devices. The study reveals antisymmetric giant magnetoresistance in van der Waals Fe3GeTe2/graphite/Fe3GeTe2 tri-layer heterostructures.
Researchers observe native ferroelectric metal in bulk crystalline tungsten ditelluride at room temperature. The material exhibits bistable and electrically switchable spontaneous polarization states, enabling potential applications in nano-electronics.
Researchers have experimentally verified a 70-year-old theory of turbulence, shedding light on large-scale vortices in 2D fluid flow. The studies, published in Science, offer promise for future research on emergent structures in interacting quantum systems.
Researchers at the University of Wollongong have discovered that iron-doping Sb2Te3 creates multiple response frequencies, reduces carrier density and mobility. This finding is crucial for informing future use in low-energy electronics.
A recent study resolves a long-standing debate about what happens at the microscopic level when matter transitions into a superconducting or superfluid state. Correlations between pairs of atoms in an ultra-cold gas were found to grow suddenly as the system was cooled below the superfluid transition temperature.
Emerging research on topological structures and their potential applications in nanotechnology and nanoelectronics is reviewed in Nature Materials. Topological defects, such as domain walls, can exhibit intrinsic properties and significantly affect material properties.
Researchers have successfully switched a material between two states of matter via application of an electric-field, paving the way for a functioning topological transistor. This breakthrough could enable ultra-low energy electronics to continue growing without being limited by available energy.
A study of ultracold atomic gases reveals the breaking of classical symmetries, leading to new phenomena and insights into dissipationless transport. The findings have significant implications for the development of future low-energy electronics.
Researchers developed a simple, inexpensive technique to create large-scale sheets of two-dimensional piezoelectric material, allowing integration onto silicon chips and expansion into surface manufacturing. The method enables the production of free-standing GaPO4 nanosheets for piezo-sensors and energy harvesting applications.
Researchers have explained 'electron-hole reverse drag' and exciton formation using a multiband approach, revealing the bandgap's role in dual-layer graphene structures. This new understanding opens possibilities for ultra-low dissipation future electronics and room-temperature superfluid flow.
Trisodium bismuthide (Na3Bi) has been found to have an electronically smooth nature similar to graphene, allowing it to maintain high electron mobility. This discovery opens up possibilities for the advancement of topological materials and their applications in electronics.