Articles tagged with Two Dimensional Materials
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.
Researchers at UTA have developed a technique to program 2D materials into 3D shapes, enabling new technologies for soft robotics and biomimetic manufacturing. The approach allows for the creation of complex 3D structures with doubly curved morphologies and motions, previously difficult to replicate with man-made materials.
A research team at POSTECH has successfully measured and controlled the phase of second-harmonic generation (SHG) in 2D materials, opening new possibilities for nonlinear spectroscopic control methods. The study uses heterobilayer materials to create light with twice the frequency of vibration and controlled phase.
New computational research by UMBC's Can Ataca and Daniel Wines predicts desirable properties of new 2D materials, saving experimental researchers time and money. The study focuses on group III nitrides, identifying stable alloys with tunable electric and thermoelectric properties.
Researchers confirm flat band behavior in germanium's 2D 'bitriangular' lattice, a structure with potential for exotic states of matter like ferromagnetism and superconductivity. The discovery confirms earlier theoretical predictions and opens up new possibilities for materials design.
Researchers at DGIST have devised a 2D-material-based stacked structure that reduces computing power consumption. The study measured the energy of excitons and trions in multistacked hBN/WS2 coupled quantum wells, revealing a gradual decrease in energy with an increase in stakes.
Researchers Liping Yu and Yingchao Yang will develop new battery and supercapacitor materials using artificial intelligence-aided design. The project aims to overcome limitations in current energy storage devices by predicting, synthesizing, and characterizing new 2D materials.
Lehigh University researchers have developed a new complex material design strategy for potential use in neuromorphic computing, using metallocene intercalation in hafnium disulfide (HfS2). The work demonstrates the effectiveness of functionalizing a 2D material with an organic molecule, achieving high tunability and energy efficiency.
Researchers at Vienna University of Technology have discovered new materials to combine with 2D materials, enabling the creation of ultra-thin electronic components. The team found that special crystals containing fluorine atoms can be used as insulators, improving efficiency and speed.
Columbia engineers use sophisticated microscopy techniques to directly image localized states in 2D material, yielding single-photon emitters that can be tuned and controlled. This breakthrough enables the creation of quantum optical circuitry for future photonic applications.
Researchers at DGIST developed a novel dual-resonant method to maximize photon conversion in 2D materials. The method achieves a significant boost in signal intensity and frequency doubling, with potential applications in advanced photonic devices and cheaper diagnostic methods.
A team led by Nathan Youngblood and Feng Xiong investigated how light affects 2D materials like MoTe2 for improved data storage. They found that reducing material dimensions increases efficiency due to energy proportional to area rather than volume.
The DFG is funding three Collaborative Research Centres at TU Dresden to develop new classes of synthetic two-dimensional materials and novel design strategies for carbon concrete structures. The research focuses on controlling material properties, manufacturability, and sustainability.
Researchers have measured atomic positions of all atoms in a 2D material and calculated its impact on electronic properties. They found that materials are far from perfect, with constant misalignment, missing, or replaced atoms affecting the system's behavior.
Researchers have found that non-encapsulated few-layer CrI3 has a rhombohedral structure at low temperatures, contradicting previous findings. The study also shows spin-phonon coupling occurring below 60K, which affects the Hamiltonian of Raman modes and has potential implications for novel spintronic devices
Researchers predict a new type of multiferroic material that combines ferromagnetism and electric polarization, potentially leading to efficient magnetic reading and writing. The study suggests that diverse magnetoelectric couplings can be achieved in thin layers, making it a promising direction for practical applications.
Researchers at King Abdullah University of Science & Technology (KAUST) have discovered a flaky material that improves the performance of organic solar cells. The material, made from tungsten disulfide flakes, enhances the cell's ability to gather holes and reduces resistance, leading to higher efficiency.
Researchers at NUS have discovered a new quasiparticle, the polaronic trion, in molybdenum disulphide that can be tuned by both temperature and electric fields. This enables significant tunability in optoelectronic properties.
Scientists at TU Wien have created an ultra-thin transistor with excellent electrical properties using calcium fluoride as a novel insulator, enabling miniaturization to an extremely small size. The technology has the potential to revive Moore's Law, leading to faster and more powerful computer chips.
Researchers at Columbia Engineering developed a two-step, ultra-clean nanofabrication process that separates the pristine device from dirty fabrication processes. This method yields high-performance devices with improved stability and scalability for real-world engineering problems.
Researchers from Tel Aviv University developed a unique spatiotemporal imaging technique to capture the movement of excitons in 2D materials, revealing unprecedented insights into quantum mechanics. The technology enables ultrafast control and extreme spatiotemporal imaging of condensed matter.
Researchers from EPFL's Laboratory of Nanoscale Electronics and Structures have found a way to control some of the properties of excitons, changing their polarization and generating light. This discovery can lead to a new generation of electronic devices with reduced energy loss and heat dissipation.
Researchers at PNNL and UCLA verify Gibbs' theory for materials forming row by row, bypassing the nucleation barrier. This discovery provides clues for designing microelectronics and bodily tissues with better control and efficiency.
Researchers have successfully created functional metalenses using layered 2D materials, achieving record-thin levels of optical lensing. The development opens up new possibilities for constructing nanophotonic devices entirely out of 2D materials.
A UCLA research team has developed a method to create artificial superlattices comprising ultra-thin two-dimensional sheets with drastically different atomic structures. This allows for the confinement of electronic and optical properties to single active layers, enabling faster and more efficient semiconductors and advanced LEDs.
Researchers from SUTD design a versatile all-electric-controlled valley filter and demonstrate a concrete working design of valleytronic logic gate. They achieve logically-reversible computation by storing information in the electron's valley state, bypassing complex circuitries.
Researchers at University of Warwick developed a new technique to measure electronic structures of two-dimensional materials, paving the way for highly efficient nano-circuitry. This breakthrough could lead to smaller, flexible gadgets and revolutionized solar power with strong absorption and efficient power conversion.
Scientists observed atomic-level cracking in 2D MoS2, revealing dislocations at the crack tip that can't be explained by existing theories. The study suggests a new theory is needed to understand 2D material behavior.
KAUST researchers have developed a process for two-dimensional anodes made from tin selenide, which stores sodium ions through a dual mechanism involving conversion and alloying reactions. This results in the highest reported energy density of any transition metal selenide.
Researchers have successfully synthesized a two-dimensional sheet of boron, known as borophene, with metallic properties at the nanoscale. The material's unique atomic configuration and anisotropy result in a high tensile strength, making it a promising candidate for applications in electronics and photovoltaics.
Researchers have found new ways to store massive amounts of energy between layers of 2-D materials called MXenes. This enables the creation of smaller, more efficient batteries with higher energy storage capacities.