RMIT researchers have found that the liquid-solid boundary can fluctuate back and forth, with metallic atoms near the surface breaking free from their crystal lattice. The phenomenon occurs at unexpectedly low temperatures and is observed up to 100 atoms in depth.
A new atomically-thin material has been discovered that can switch between an insulating and conducting state by controlling the number of electrons. This property makes it a promising candidate for use in electronic devices such as transistors.
Researchers from Monash University have introduced a new theoretical study on quantum impurities, exploring their behavior in two-dimensional semiconductors. The 'quantum virial expansion' method sheds light on the complex interactions between impurities and their surroundings in 2D materials.
A team of researchers reviewed the superconducting diode effect, which enables dissipationless supercurrent flow in one direction. The study highlights potential applications for quantum technologies in both classical and quantum computing.
A recent study presents an exciting new way to measure the crackling noise of atoms in crystals, enabling the investigation of novel materials for future electronics. The method allows researchers to study individual nanoscale features and identify their effects on material properties.
Researchers predict that layered electronic 2D semiconductors can host a quantum phase of matter called the supersolid. A solid becomes 'super' when its quantum properties match those of superconductors, simultaneously having two orders: solid and super. The study reports the complete phase diagram of this system at low temperatures.
Scientists at RMIT University and partner organisation confirm electric control of superconductivity and giant anomalous Hall effect in the kagome metal CsV₃Sb₅. Proton intercalation modulates carrier density, allowing for tuning of Fermi surfaces and potentially realizing exotic quantum phase transitions.
Researchers created a protective coating of glass, gallium-oxide to reduce vibrations in graphene devices. The oxide improves device performance and provides a new method of protection.
Researchers discover individual gold atoms can target specific C-H bonds in organic molecules, enabling a low-energy reaction at room temperature. This breakthrough addresses two significant challenges and paves the way for the synthesis of novel organic and metal-organic nanomaterials.
Researchers at Monash University found that electric fields and applied strain can turn magnetism on and off in two-dimensional metal-organic frameworks. This discovery could lead to applications in magnetic memory, spintronics, and quantum computing.
Researchers have controlled a one-dimensional electron fluid to an unprecedented degree, discovering new properties of Tomonaga-Luttinger liquids in two-dimensional materials. The team's findings could pave the way for more robust quantum computers with enhanced fault-tolerance.
Researchers review emerging field of 2D ferroelectric materials with layered van-der-Waals crystal structures, offering new properties and functionalities not found in conventional materials. These materials show easily stackable nature, making them attractive as building blocks for post-Moore's law electronics.
Australian researchers have engineered a quantum box for polaritons in a two-dimensional material, achieving large polariton densities and a partially 'coherent' quantum state. The novel technique allows researchers to access striking collective quantum phenomena and enable ultra-energy-efficient technologies.
Scientists at Swinburne University of Technology and FLEET collaborators observe and explain signatures of Fermi polaron interactions in atomically-thin WS2 using ultrafast spectroscopy. Repulsive forces arise from phase-space filling, while attractive forces lead to cooperatively bound exciton-exciton-electron states.
The study observes electric gate-controlled exchange-bias effect in van der Waals heterostructures, enabling scalable energy-efficient spin-orbit logic. The team successfully tunes the blocking temperature of the EB effect via an electric gate, allowing for the EB field to be turned 'ON' and 'OFF'.
Researchers investigate the search for Majorana fermions in iron-based superconductors, which could enable topological quantum computing and ultra-low energy electronics. The existence of Majorana zero-energy modes in topological superconductors makes them a promising candidate material for realizing these technologies.
Researchers create a quantum anomalous Hall insulator by stacking a ferromagnetic material between two 2D topological insulators, enabling room-temperature lossless transport. The new architecture could lead to ultra-low energy future electronics or topological photovoltaics.
Researchers have confirmed a novel quantum topological material for ultra-low energy electronics, reducing energy consumption by a factor of four. The study reveals the potential of zigzag-Xene-nanoribbons to make topological transistors with robust edge states and low threshold voltage.
Scientists have developed a new spectroscopy technique to directly measure the binding energy of biexcitons in WS2, providing insights into their dynamics and characteristic energy scales. The findings inform the development of novel devices such as compact lasers and chemical sensors.
Scientists have successfully manipulated liquid metals in a non-contact manner by applying electromagnetic induction, allowing for the creation of unique shapes and structures. The discovery opens up new possibilities for advanced manufacturing and dynamic electronic structures.
Scientists discovered oscillatory bifurcation patterns on liquid metal surfaces, mirroring the cyclic power blocs in 'Romance of the Three Kingdoms.' The unusual patterns emerge due to surface instability, with potential applications in plasmonic sensing and high-efficiency electronics.
Physicists at the University of Queensland have developed a comprehensive understanding of vortex pinning and unpinning in two-dimensional superfluids. The study reveals four regimes governing these interactions, including a 'pair creation' regime where vortices are pinned to defects.
Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.
Researchers have demonstrated a novel topology arising from losses in hybrid light-matter particles, introducing a new avenue to induce topological effects. The study found that the mere presence of loss in an exciton-polariton system causes it to exhibit nontrivial topology.
Researchers at UNSW have developed liquid metal enabled continuous flow reactors that can produce materials with tuneable system performance and controlled material quality. The systems rely on surface tension to pump fluids, eliminating the need for mechanical parts.
A University of Wollongong team has combined two doping elements to achieve new efficiencies in the topological insulator Bi2Se3. The resulting crystals show clear ferromagnetic ordering, a large band gap, high electronic mobility, and the opening of a surface state gap.
A RMIT-led collaboration demonstrates large in-plane anisotropic magnetoresistance (AMR) in monolayer WTe2, a quantum spin Hall insulator. The team successfully fabricates devices and observes typical transport behaviors, showing promise for future low-energy electronics.
UNSW researchers stabilize a new intermediate phase in a room-temperature multiferroic material under stress, boosting electromechanical response by double its usual value. This breakthrough has exciting implications for next-generation devices and provides a valuable technique for international material scientists.
A new study proves that ultra-short pulses of light can drive transitions to new phases of matter in tungsten disulfide (WS2) atoms, aiding the search for future low-energy electronics. The findings show that even ultrashort pulses are as effective in triggering state changes as continuous illumination.
Australian researchers have made a significant step towards ultra-low energy electronics by demonstrating the dissipationless flow of exciton polaritons at room temperature. The breakthrough involves placing a semiconductor material between two mirrors, allowing the excitons to propagate without losing energy.
A new Australian study examines systems transitioning from a normal fluid to a quantum state known as a superfluid, which can flow with zero friction. The research provides new insights into the formation of these remarkable states, revealing different timescales and correlations involved.
MnBi2Te4's unique properties make it suitable for ultra-low-energy electronics and observing exotic topological phenomena. The material is metallic along its one-dimensional edges while electrically insulating in its interior.
A new study reveals the emergence of magnetism in a 2D organic material due to strong electron-electron interactions in its unique star-like atomic-scale structure. The findings have potential applications in next-generation electronics based on organic nanomaterials.
Researchers create transistors with an ultra-thin metal gate grown as part of the semiconductor crystal, eliminating oxidation scattering. This design improves device performance in high-frequency applications, quantum computing, and qubit applications.
Researchers explore joining topological insulators with magnetic materials to achieve quantum anomalous Hall effect, promising building blocks for low-power electronics. The 'cocktail' approach allows tuning of both magnetism and topology in individual materials, enabling operation closer to room temperature.
The review highlights the use of pressure as a versatile method to explore new materials and gain insight into high-temperature superconductor mechanisms. Iron-based superconductors exhibit a relatively high transition temperature, with research efforts focusing on raising this temperature through pressure-induced effects.
A team of researchers has identified an unconventional Hall effect driven by the Berry curvature, which is exclusive to semiconductor hole systems. This discovery is a major breakthrough in the search for topological effects in non-equilibrium systems.
A RMIT-led international collaboration has achieved record-high electron doping in a layered ferromagnet, causing magnetic phase transition with significant promise for future electronics. Ultra-high-charge, doping-induced magnetic phase transition in Fe5Ge2 enables promising applications in antiferromagnetic spintronic devices.
A Chinese-Australia collaboration successfully induced Dzyaloshinskii-Moriya interactions (DMI) in TaS2 by intercalating iron atoms, which can be further tuned by gate-induced proton intercalation. This enables electrical control of chiral spin textures and potential applications in energy-efficient spintronic devices.
Researchers have found that using topological insulators in transistors could reduce switching energy by half and the overall energy used by each transistor by a factor of four. This breakthrough could lead to substantial reductions in computing energy consumption, as the industry continues to strive for sustainable technologies.
Researchers developed a new material that fills a crucial gap in the electronic material library. The ultrathin beta-tellurite oxide has high mobility and is highly transparent, enabling fast and efficient devices.
Researchers propose using electron holes as a solution to operational speed/coherence trade-off in quantum computing. Theoretical studies predict holes can be used to create robust quantum bits with optimal operation points for ultrafast and highly coherent performance.
Researchers used machine learning to identify different areas of interest on 2D materials, such as doping, strain, and electronic disorder. This automation could significantly accelerate the application of these materials in next-generation energy-efficient computing and smart-phones.
Researchers have discovered that individual molecules on a metal surface can interact with each other over large distances, potentially revolutionizing the field of computing. This phenomenon has significant implications for the development of new electronic and optoelectronic technologies based on organic molecules and 2D materials.
An Australian-led team of physicists successfully created sloshing quantum liquids, revealing wavy motion and superfluid properties. The experiment provided insights into the speed of sound and potential effects on superfluidity, shedding light on a promising hybrid light-matter system for ultra-low-energy electronics.
A team of scientists has developed a protective coating made from ultrathin gallium oxide to shield 2D materials from damage. This innovation enables the use of extremely thin materials in electronics, promising lower energy consumption and increased efficiency.
Researchers have developed a new method to detect Majorana zero modes in one-dimensional quantum nanowires, overcoming previous detection difficulties. This breakthrough improves device reproducibility and opens the door for scalable quantum computing applications.
Scientists have identified diverse types of patterns on the surface of solidified metal alloys, including stripes, curved fibers, and dot arrays. These findings challenge existing understanding of liquid metal alloys and their phase transition processes.
Ferroelectric materials display unique patterns due to non-equilibrium dynamics and topological defects, driving subsequent evolution. A new study finds phase separation kinetics as a common framework for understanding these patterns.
Polaritons interact more than expected due to strong light-matter coupling and huge exciton-photon mass ratio. This challenges common assumptions about these quasiparticles, shedding new light on their interactions and applications in ultra-low energy electronics.