Articles tagged with Bilayers
Researchers introduce a new strategy using natural wood as a structural scaffold for conductive eutectogels, enabling mechanically robust and environmentally stable materials. The resulting eutectogel achieves high tensile strength, toughness, and ionic conductivity, making it suitable for wearable electronics and smart sensing systems.
Researchers have discovered that twisting and stacking oxide crystals can create specific atomic configurations that act as an 'invisible fence' to trap or repel electrons. The study reveals charge disproportionation due to subtle distortions in oxygen octahedra, leading to altered electron accumulation patterns.
Scientists have created a new quantum state, known as hybrid excitons, at the interface of organic and 2D semiconductors. This unique state enables ultrafast energy transfer, which holds promise for developing next-generation solar cells and optoelectronic components.
A South Korean research team has discovered a molecular-level mechanism to switch the charge polarity of organic polymer semiconductors by adjusting the concentration of a single dopant. This enables polymers to exhibit both p-type and n-type characteristics, eliminating the need for separate materials or complex device architectures.
The asymmetric MXene-graphene bilayer aerogel delivers over 100 dB EMI shielding, 115 °C solar-thermal heating, dynamic IR camouflage, thermal insulation and oil absorption, all without external power beyond sunlight or a pulse.
Researchers discovered that mammalian membranes have drastically different phospholipid abundances between their two leaflets, contradicting a major assumption of cell biology. The asymmetry is enabled by cholesterol's unique properties, which act as a buffer to redistribute between the leaflets and maintain robust barriers.
Researchers developed a Cu-Ta-Li alloy with exceptional thermal stability and mechanical strength, combining copper's conductivity with nickel-based superalloy-like properties. The alloy's nanostructure prevents grain growth, improving high-temperature performance and durability under extreme conditions.
Researchers at USTC achieve electrical control over spin filling sequence in bilayer graphene quantum dot, leveraging trigonal warping effect and minivalley interactions. This finding holds promise for generating 3-spin states and simulating SU(3) symmetry, with implications for quantum computing and advanced electronics.
Researchers from Pohang University of Science & Technology confirm the existence of hidden transport pathways in graphene, which enables faster and more efficient data handling. The study sheds light on the 'Valley Hall Effect' and its role in nonlocal resistance, providing crucial insights for advancing valleytronics device design.
Researchers at University of Groningen found that twisted tungsten disulfide sheets exhibit unexpected electronic properties, contradicting theoretical predictions. The study provides insights into the structural relaxation of 2D materials and enhances prediction and manipulation capabilities.
Researchers at City University of Hong Kong have observed a new vortex electric field with the potential to enhance electronic, magnetic and optical devices. The discovery enables the creation of quasicrystals with versatile applications in memory stability, computing speed, spintronics and sensing devices.
Researchers at Singapore University of Technology and Design have designed a novel tool inspired by a spiral ladder to control circular polarised light. The bilayer metasurface structure can be tailored to emit waves with specific angles, wavelengths, and polarisation properties.
Researchers from FSU and National High Magnetic Field Laboratory found that twisted bilayer graphene's conductivity depends on minute geometry structure changes upon interlayer twisting. The study reveals the potential of multilayer moiré systems in constructing materials with on-demand optical properties.
Bifocal lenses with adjustable focal intensities are created by applying external voltage to bilayer liquid crystal structures. The new design enables polarization imaging and edge imaging, highlighting the outlines of objects with fine details.
Researchers at Harvard University have developed a new device that can easily twist and study 2D materials, opening up new possibilities for discovering new phases of matter. This innovation uses micro-electromechanical systems to control the twist angle, making it easier to produce unique samples and study their properties.
Researchers successfully controlled Andreev bound states in bilayer graphene-based Josephson junctions using gate voltage, observing changes in real-time and confirming theoretical predictions. The discovery enables adjustment of energy levels, opening potential for diverse applications.
Researchers from Tokyo Institute of Technology experimentally revealed that high-density Ca introduction enhances superconductivity in graphene-calcium compounds through confinement epitaxy, leading to increased critical temperatures. This breakthrough could enable the development of C6CaC6 superconductors with wide applicability in qu...
Scientists develop method to image thermally-induced rearrangement of 2D materials at the atomic scale, observing a new grain-seeding mechanism and aligned domain growth. This discovery enables control over macroscopic twist between layers, affecting material properties.
An international research team has demonstrated that electrons in naturally occurring double-layer graphene move like particles without any mass, similar to light. This discovery has the potential to develop tiny, energy-efficient transistors at a nanoscale.
A recent study published in the Journal of Cell Biology has made significant progress in understanding autophagy and lipid recycling. Researchers used yeast as a model organism to identify key players in the process, including Atg15, Pep4, and Prb1, and demonstrated that Pep4 and Prb1 activate Atg15 to break down phospholipid bilayers.
Researchers found that changing the stacking order of layers in transition metal dichalcogenide (TMD) semiconductors creates new optoelectronic devices with tailor-made properties. The study reveals dark excitons exclusively located in the top layer, which can be utilized for optical power switches in solar panels.
A new device based on twisted double bilayer graphene has been developed, showing radical improvement in ultra-broadband photodetection. The device can detect light efficiently over a wide spectral range, from far-terahertz to near-infrared, with good internal quantum efficiency and scalability.
A team at the University of Washington has made a breakthrough in quantum computing by detecting signatures of 'fractional quantum anomalous Hall' (FQAH) states in semiconductor materials. This discovery marks a significant step towards building stable qubits and potentially developing fault-tolerant quantum computers.
A team of scientists has found a way to directly manipulate the spin of electrons in 2D materials like graphene, a long-standing challenge. They used a novel experimental technique to study the properties of how electrons spin in these materials.
A bilayer, nonwoven PET microfiber/polyvinylidene fluoride nanofiber membrane acts as a separator for LIB systems and prevents short circuits. The substrate significantly improves the mechanical and thermal properties of solid polymer electrolytes, enabling cells to operate over 2000 hours.
The study reveals the formation of boron clusters with magic numbers on monolayer borophene, leading to spontaneous transformation into bilayer borophene. Density functional theory calculations identify B5 clusters as the result of in-plane charge distribution and electron delocalization.
Researchers at Rice University have created stable and efficient halide perovskite solar cells by finding the right solvent design to apply a 2D top layer on top of a 3D bottom layer. The new method achieves high power conversion efficiencies, comparable to commercially available solar cells, while maintaining stability.
Researchers at the University of Utah designed composite materials using moiré patterns, resulting in abrupt transitions between electrical conductor and insulator properties. The study's findings have broad potential technological applications and demonstrate a new geometry-driven localization transition.
Rice University engineers have developed a novel approach to manipulating the magnetic and electronic properties of 2D materials by stressing them with contoured substrates. The technique, inspired by recent discoveries in twisted 2D materials, allows for unprecedented control over quantum effects.
Scientists have identified magic-angle twisted bilayer graphene as a promising material for high-temperature superconductivity. Researchers found that nematic order in MATBG originates from the interference between fluctuations of a novel degree-of-freedom combining valley and spin degrees.
A team of scientists has discovered a way to bend electrons without applying a magnetic field by using circular polarized light in bilayer graphene. This breakthrough enables new sensing applications and opens up possibilities for infrared and terahertz sensing, medical imaging, and security applications.
A team of researchers at NGI and NPL demonstrated that slightly twisted 2D transition metal dichalcogenides (TMDs) display room-temperature ferroelectricity. This characteristic can be used to build multi-functional optoelectronic devices with built-in memory functions on a nanometre length scale.
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...
Researchers at the University of Eastern Finland used molecular modeling to investigate nano-plastic transport into cell membranes. The study found that some microplastics can passively penetrate the membrane, potentially causing adverse health effects.
Researchers have discovered a new electronic nematic phase in twisted double bilayer graphene, which breaks the material's symmetry and allows for the re-alignment of electrons. This finding adds to our understanding of graphene-based systems and may hold implications for the study of superconductivity.
Researchers have proposed a novel bilayer structure composed of NiOx and MoOx films to extract hole carriers from c-Si more efficiently. This structure achieved a remarkable power conversion efficiency of 21.31% in c-Si solar cells.
Researchers at Lawrence Berkeley National Laboratory have developed a new approach to modify the surface of copper catalysts, improving the conversion of carbon dioxide into useful fuels. The technique involves coating the copper with thin films of ionomers, which steer the reaction towards generating carbon-rich products.
Researchers have discovered that twisted bilayer graphene can guide and control light at the nanometer scale due to its unique interaction with collective electron movements. This property enables the material to be used as a platform for optical sensing of gases and bio-molecules.
Researchers discovered a resemblance between magic graphene's superconductivity and high-temperature superconductors, shedding light on the mysterious ceramic compounds. The study provides evidence for unconventional superconductivity in magic bilayer graphene.
Scientists have discovered that covering metal catalyst surfaces with thin two-dimensional oxide materials can significantly enhance chemical reactions. The new method uses partially covered palladium surfaces with silica films to boost carbon dioxide production by 20%. This approach allows for more efficient and effective catalytic co...
Researchers discover ultra-strongly coupled superconductivity in a trilayer graphene sandwich, exhibiting more robust superconductivity than its bilayer counterpart. The team can tune the material's superconductivity using external electric fields, opening new avenues for quantum information and sensing technologies.
Researchers developed lattice models to predict nonlinear surface morphology evolution with multiple mode transitions in hyperelastic bilayers. They revealed an intricate post-buckling phenomenon involving successive bifurcations, advancing fundamental understanding of nonlinear morphological transitions.
Direct visualization of quantum dots in bilayer graphene reveals a broken rotational symmetry with three peaks instead of concentric rings. This discovery provides crucial information for developing quantum devices based on this system.
Researchers at Columbia University discovered a rare form of magnetism in a three-layer graphene structure, showcasing exotic electronic states and controllable magnetic behavior. The twist angle enables the manipulation of spin-free magnetism, opening new possibilities for quantum computation and energy-efficient data storage.
Researchers at the University of Washington have discovered that stacked graphene bilayers can exhibit highly correlated electron properties. The team found evidence of exotic magnetic states and correlated insulating states with features resembling superconductivity. The origins of these features are attributed to quantum mechanical p...
Researchers find twisted bilayer graphene displays strong photoresponse and superconducting states when exposed to mid-infrared light. The material's unique properties make it a promising candidate for advanced devices.
Researchers created jellyfish-bots that can outswim real-life counterparts and exhibit powerful movement. The new technique uses pre-stressed polymers to make soft robots more efficient, enabling faster speeds and improved performance.
Researchers found that the orientation and configuration of hexagonal boron nitride on bilayer graphene significantly affect Berry curvature, a stable dissipationless current. Encapsulating bilayer graphene with hBN in phase increases asymmetry and large Berry curvature.
Researchers have created a force balance model to understand material behavior under stress, enabling better design of wearable and biomedical devices. The study found that the thickness ratio between film layers and substrates affects wrinkling and buckling patterns.
The study reveals how twisted graphene sheets behave and their stability at different sizes and temperatures, providing insights into self-alignment mechanisms and forces. This fundamental research could pave the way for manufacturers to achieve fine control over twist angles in 2D material structures.
IBS researchers successfully grow large-area, single crystal bilayer and trilayer graphene films on Cu/Ni(111) alloy foils with specific stacking patterns. The resulting graphene sheets exhibit exceptional thermal conductivity, mechanical performance, and electrical transport properties.
Researchers have successfully converted large-area bilayer graphene into the thinnest possible diamond-like material, F-diamane, under moderate pressure and temperature conditions. This flexible and strong material has potential for industrial applications in nano-optics and nanoelectronics.
A new study reveals twisted bilayer graphene can exhibit superconducting and insulating regions, increasing its usefulness for electronic devices. The discovery is a significant advance in the emerging field of Twistronics, enabling the creation of materials with high-temperature superconductivity.
Researchers at Tokyo University of Science create an alpha-gel using an oleic acid-based surfactant, which can retain water and spread evenly on surfaces. The gel's ability to hold water makes it suitable for skincare products like skin creams.
Northwestern University researchers have discovered a new method to control the formation of scroll-like cochleate structures, which could inform future drug-delivery strategies. By regulating electrostatic interactions and elastic energies, they were able to capture and release macromolecules in a size-selective manner.
Researchers found that graphene bilayer conductivity varies based on the states of carbon atoms at their edges, particularly in relation to quantum spin Hall and Rashba spin-orbit coupling. This property could be useful for spintronics applications, including quantum computing.
Researchers found that twisted bilayer graphene's moiré pattern creates a state where electrons organize into stripes, leading to robust properties. The discovery provides new evidence for the link between graphene and high-temperature superconductors.
Researchers from OU physics group discover a novel Mott state in twisted graphene bilayers at the magic angle, characterized by ferromagnetic spin alignment. This phenomenon is unlike conventional Mott insulators and has potential implications for superconductivity.
Researchers have successfully demonstrated strong and directionally dependent interactions between remote fluids of excitons, a type of quasi-particle in semiconductors. This breakthrough opens up new avenues for creating exotic states of matter and exploring the properties of dipolar quantum gases and liquids.
Researchers discovered a new transport mechanism of nanomaterial through a cell membrane by tuning the membrane tension. Ultra-short carbon nanotubes can escape from the bilayer under certain conditions, which may have implications for public health and drug delivery.