Articles tagged with Two Dimensional Materials
Researchers developed a chemical scissors-mediated structural editing strategy to regulate the structure and elemental composition of MAX phases/MXenes. This approach enables the creation of novel MAX phase and MXene materials with improved functional applications.
Researchers developed a chemical scissor to split and stitch nanoscopic layers of two-dimensional materials, opening pathways to sustainable energy technologies. This new process allows for structurally splitting, editing, and reconstituting layered materials with exceptional properties.
Researchers discovered a property in single-layer ferroelectric materials that allows them to bend in response to an electrical stimulus. This bending behavior enables the creation of nano-scale switches or motors, which can be controlled using electrical signals.
Scientists from SUTD design a novel thermal-based therapy nano-system that destroys over 20% of pancreatic cancer cells using microsecond electrical pulses, improving cancer cell targeting accuracy and bio-compatibility. The introduction of the M13 virus enhances electro-thermal therapy performance by assembling more on cancer cells.
Researchers discuss the construction, properties, and applications of 2D/quasi-2D perovskite-based heterostructures. These heterostructures offer novel functionalities for photovoltaic solar cells, LEDs, and photodetectors.
Researchers at MIT have developed a method to fabricate ever-smaller transistors from 2D materials by growing them on existing silicon wafers. The new method, called nonepitaxial, single-crystalline growth, enables the production of pure, defect-free 2D materials with excellent conductivity.
Researchers at Rice University have developed a method to predict the shapes of crystals that lack symmetry by assigning arbitrary latent energies to their surfaces. This approach uses closure equations with arbitrary parameters to mimic nature's solution, allowing for accurate crystal shape predictions.
Scientists have developed a method to accurately measure the thermal expansion coefficient of 2D materials when heated, which could help engineers design next-generation electronics. The approach uses laser light to track vibrations of atoms in the material, allowing for precise measurements and confirming theoretical calculations.
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 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.
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.
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.
Researchers at Drexel University have developed a composite material that can absorb and dissipate electromagnetic waves, reducing electromagnetic interference. The MXene-polymer coating has shown to be highly effective in absorbing energy at greater than 90% efficiency.
Researchers at Penn State developed a method to erase memories in disordered solids, allowing for new opportunities in diagnostics and programming of materials. The study provides insight into how memories form in these materials and demonstrates a way to 'read' and erase them.
Physicists at the University of Groningen have observed a significant increase in magnon conductivity in ultrathin YIG films, surpassing expectations by three orders of magnitude. This unexpected result could lead to new devices and discoveries in spintronics.
The Graphene Flagship is showcasing the potential of graphene-enabled alternatives to traditional semiconductors, with recent advancements in integrating 2D materials into silicon wafers. The project's European Chip Act aims to mobilize €43 billion in investments to alleviate the global chip shortage.
A research team from the University of Göttingen has observed the build-up of dark Moiré interlayer excitons for the first time using femtosecond photoemission momentum microscopy. This breakthrough allows scientists to study the optoelectronic properties of new materials in unprecedented detail.
Purdue researchers have created a 2D array of electron and nuclear spin qubits, enabling atomic-scale nuclear magnetic resonance spectroscopy and reading/writing quantum information with nuclear spins in 2D materials. This method harnesses three nitrogen nuclei at a time for longer coherence times than electron qubits.
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'.
Scientists from A*STAR and Fudan University found that placing 2D materials on substrates with bulged morphologies enhances carrier mobility by two orders, paving the way for competitive performance in field-effect transistors and thermoelectric devices. The discovery overcomes the intrinsic carrier mobility limit of the material.
Researchers from Tokyo University of Science create new method for producing heterolayer coordination nanosheets with improved properties and controllability. The study expands the diversity of 2D materials, enabling potential applications in optoelectronics and renewable energy.
Researchers have designed an energy-efficient silicon-based non-volatile switch that manipulates light to control information flow in data centers. This technology reduces energy needs by 70-fold compared to traditional switches, making data centers more environmentally friendly.
Researchers from Kumamoto University create nanocavities using ovalene molecules on gold electrodes, trapping a single thiol molecule. This breakthrough enables precise molecular design for future electronic devices and sensors.
Researchers at SUTD design a multiferroic van der Waals heterostructure combining magnetic and ferroelectric 2D materials, offering voltage switchable magnetism. This material can be used for ultracompact memory devices with minimal energy consumption.
An interdisciplinary team of Northwestern University researchers has developed a new method to determine the fingerprint of neighboring disorder in 2D materials. This method enables a universal curve that characterizes disorder potentials, leading to improved performance in transistors and gas sensors.
Researchers at Tulane University have developed a new family of two-dimensional materials called transition metal carbo-chalcogenides (TMCC), which combines the properties of two existing families. The TMCC material has promising applications in advanced electronics, high-capacity batteries, and other fields due to its unique set of pr...
Researchers have discovered layered 2D materials that can host unique magnetic features, including skyrmions, which remain stable at room temperature. The discovery could lead to novel low-energy data storage and information processing systems.
The Rice University lab has improved the recipe for synthesizing molybdenum disulfide (MoS2), a highly sought-after material for its semiconducting properties. By using iodized salt, the team was able to speed up the synthesis process while reducing growth temperatures.
A research team from City University of Hong Kong has developed an efficient electrochemical intercalation method to produce high-yield mono- or few-layer transition metal dichalcogenide (TMD) nanosheets. The new strategy offers a higher degree of control over lithium insertion and can be scaled up for industrial applications.
Rice University researchers have developed a customizing method for producing doped graphene with tailored structures and electronic states. The doping process adds elements to the 2D carbon matrix, making it suitable for use in nanodevices such as fuel cells and batteries.
A German-American research team predicts twenty-eight novel 2D materials with remarkable electronic and magnetic properties. The study utilizes a vast materials database to identify candidates for spintronic applications in computing and smartphones.
A study by researchers at Pusan National University has investigated the relationship between surface structures and nanoscale friction in multi-layered CVD graphene. They found that only the top-most layer of graphene was twisted with respect to the rest, affecting layer-dependent nanoscale friction.
Researchers at UCLA have created highly flexible yet mechanically robust bioelectronic membranes using van der Waals thin film technology. The membranes can be stretched and flexed over irregular geometries, making them ideal for wearable health-monitoring devices and diagnostic sensors.
Researchers have developed a novel approach to detect non-uniformities in 2D materials, enabling the creation of new medical sensors that can detect cancer treatment drugs like doxorubicin. The sensor material combines multiple signals from graphene and molybdenum disulfide to accurately measure analyte concentration.
Researchers at Tokyo University of Science have discovered a method to improve the crystallinity of coordination nanosheets by mixing two metal ion solutions. This approach results in higher crystallinity and improved performance in devices such as electronics and batteries. The findings open a new pathway for tuning the functional pro...
A team of researchers proposed a novel approach to spintronics, demonstrating dissipationless conversion between magnetic spin and electric charge in an emergent superfluid in 2D materials. This breakthrough could lead to the development of more efficient spintronic devices.
A research group led by Ryuichi Shindou proposes a new phenomenon where magnetic spin and electric charge are converted without energy loss in emergent superfluids of 2D materials. This conversion is made possible by exciton condensates, which exhibit dissipationless supercurrent flows.
Researchers review current research on 2D materials, highlighting their potential for quantum light sources and integrated circuits. The scientists also discuss recent advances in hybrid devices and scalable quantum photonic technologies.
Researchers at MIT have developed ultrathin superconducting qubits using hexagonal boron nitride, enabling smaller devices with reduced interference. The material's defect-free structure reduces cross-talk, paving the way for thousands of qubits in a device.
Researchers at Japan Advanced Institute of Science and Technology developed a graphene sensor that detects electric fields with improved efficiency and reduced size. The mechanism involves the transfer of charges between graphene and traps, allowing for the detection of field polarity and magnitude.
Scientists at Chalmers University of Technology discovered a way to create a stable resonator using two parallel gold flakes in a salty aqueous solution. The structure can be manipulated and used as a chamber for investigating materials and their behavior, with potential applications in physics, biosensors, and nanorobotics.
Using 2D materials, researchers have built superconducting qubits that are significantly smaller than previous designs. The new capacitors store energy without interfering with qubit information storage. This breakthrough paves the way for smaller quantum computers and could lead to new applications of 2D materials.
Scientists reveal an ultrafast and high-yield polaronic exciton dissociation mechanism in 2D perovskites, contradicting previous theories. This study confirms that free-carriers dominate charge carriers in 2D perovskites under room temperature.
Scientists from City University of Hong Kong successfully developed battery-like electrochemical Nb2CTx MXene electrodes with stable voltage output and high energy density. The findings break the performance bottleneck of MXene devices, exhibiting superior rate capability, durable cyclic performance, and high energy density.
Researchers have successfully demonstrated laser emission from ultra-thin crystals consisting of three atomic layers, a breakthrough that could lead to miniaturized circuits and future quantum applications. The discovery showcases the potential of these materials as a platform for new nanolasers capable of operating at room temperature.
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.
Scientists fabricate 1D and 2D boron sulfide (BS) nanosheets with unique electronic properties that can be controlled by changing the number of layers. The bandgap energy decreases as more layers are added, making BS a potential n-type semiconductor material.
The study introduces a versatile method to tune the interaction strength in 2D heterostructures by applying electrical fields. This allows for the exploration of wide parameter ranges and opens up new perspectives for quantum simulation.
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.
Researchers developed a simple and fast way to create complex semiconductors by growing 2D perovskites precisely layered with other materials, resulting in crystals with wide electronic properties. The assembly takes place in vials where chemical ingredients tumble around in water, with barbell-shaped molecules directing the action.
Researchers from SUTD discover a family of 2D semiconductors with Ohmic contacts, reducing electrical resistance and generating less waste heat. This breakthrough could pave the way for high-performance and energy-efficient electronics, potentially replacing silicon-based technology.
A team of researchers at Purdue University developed ultrathin quantum sensors with 2D materials by applying a gold film to increase the brightness of spin qubits. This improved the contrast of their magnetic resonance signal and enhanced the sensitivity for detecting magnetic fields, local temperature, and pressure.
Researchers found that spin-orbit coupling induces asymmetric interactions between electrons in chromium triiodide, affecting its topological excitations. This discovery could exist in other 2D van der Waals magnets and has implications for spintronics.
Scientists created a reliable true random number generator using atomically thin two-dimensional films, overcoming long-term stability issues and power consumption concerns. The innovation uses memristors to produce fluctuating electronic signals with an exceptionally high degree of randomness.
Scientists detected electronic and optical interlayer resonances in bilayer graphene by twisting one layer 30 degrees, resulting in increased interlayer spacing that influences electron motion. This understanding could inform the design of future quantum technologies for more powerful computing and secure communication.
The Center for Atomically Thin Multifunctional Coatings (ATOMIC) has received Phase II funding to expand its research and development of advanced 2D coatings. With the addition of Boise State University, ATOMIC aims to advance technology to more applied solutions and collaborate with industry partners on high-reward projects.
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.
Researchers monitored dislocations in silicene sheets after adding silicon atoms, revealing a sequence of reactions that integrate Si atoms. The study could provide solutions to heal structural defects in similar materials.
Researchers have created a new type of 2D material, called a van der Waals heterostructure, which can be rolled up into a thin cylinder. This unique structure holds promise for miniaturized electronics, such as diodes and other devices. The discovery was made by a team of Penn State and University of Tokyo researchers.