Articles tagged with Metals
Researchers at Florida State University have created a hollow nanostructure for metal halide perovskites, which shows potential for more efficient photon-related technologies. The new structure exhibits pronounced quantum size effects and is the first to display negative curvature.
The team developed a flexible composite LLZO sheet electrolyte that can be produced at room temperature, reducing energy consumption and enabling widespread adoption of lithium metal batteries. The electrolyte functions over a wide range of temperatures, making it suitable for electric vehicles.
Researchers at Tokyo University of Science devise a new method to synthesize complex acyl fluorides from widely available acyl fluorides through a reversible reaction involving palladium. The technique uses an 'acyl-exchange reaction' to produce adequate amounts of complex acyl fluorides with high efficiency.
The UC San Diego team created a nano-composite separator that slows down the flow of energy and heat inside lithium metal batteries when they short circuit. This allows the battery to self-discharge gradually, preventing catastrophic failure and potential fires.
Graphite has been found to be intrinsically lithiophilic at 500K, contradicting previous conclusions that it was lithiophobic. The study uses ab initio molecular dynamics simulation and shows that surface chemistry plays a key role in the wetting performance of Li metal on graphite.
Researchers at UNIST developed an ion concentrate electrolyte using a solvent containing fluorine atoms, which protects both the negative and positive electrodes in lithium metal batteries. This new composition increases battery output and lifespan, addressing stability issues with lithium metal batteries.
The study achieved time-resolved measurement of a single magnetic memory event using a tunnel junction, revealing two stages: incubation and actual reversal. The researchers developed a strategy to minimize time fluctuations, reducing the total time for the reversal event to less than 0.3 nanoseconds.
Researchers at UC San Diego developed an ultrasound-emitting device that improves charge time and run time in lithium metal batteries by preventing dendrite growth. The device enables fast-charging and high-energy batteries, offering twice the capacity of current lithium ion batteries.
Researchers found graphene can withstand more than a billion cycles of high stress without breaking. The material's unique structure is attributed to its regular and simple lattice, making it highly resistant to fatigue.
Michigan Tech engineers focus on lithium's unique mechanics at small scales to address battery defects. They find that at tiny lengths, lithium is much stronger than at macroscopic scales, relying on diffusion instead of dislocation motion to relieve stress.
Researchers at UCSB have developed an electrochemical method for extracting uranium from solution, using carboranes as a key component. This technology enables efficient and reliable capture and release of uranium ions, with potential applications in nuclear waste reprocessing and seawater uranium extraction.
A new high-throughput method has revealed metals previously undetected in 3-D protein structures, correcting up to half of the errors in global repository of protein structures called PDB.
A new device uses magnetic fingerprinting to identify hidden metal objects, offering a smaller and cheaper alternative to traditional security systems. It can detect a wide range of metallic objects, from cellphones to hammers, with improved accuracy and low power consumption.
A recent study published in the Journal of New Music Research reveals that people's dance styles are almost always the same, regardless of music genre. The researchers used motion capture technology to analyze participants' movements and found that computers could identify individuals with an astonishing 94% accuracy.
Researchers at RMIT University have developed a new technology to destroy bacteria and bacterial biofilm without harming good cells, offering a potential solution to the deadly problem of antibiotic resistance. The technology uses precision-engineered liquid metals to physically rip bacteria to shreds and smash through the biofilm wher...
Computer simulations have yielded a more accurate picture of strange metals and their connection to high-temperature superconductivity. The study reveals that changing temperature or electron flow can flip the material between a superconductive state and a strange metal state, shedding light on this phenomenon.
A new review finds growing evidence that vaping can harm the heart and blood vessels, with particulate matter, metals, and flavorings contributing to cardiovascular problems. The study highlights a need for larger-scale research on e-cigarette use and regulation to ensure transparency about ingredients.
Researchers at Tomsk Polytechnic University have successfully created plastic collimators using 3D printing technology, which can replace metal counterparts in radiation therapy. The team used a numerical model and layer-by-layer deposition to manufacture the first products, finding optimal thickness for the plastic product.
Researchers at the University of Sussex have developed an adhesive that can unstick when exposed to a magnetic field, allowing for easy disassembly and recycling of products. The adhesive works with various materials, including plastic, wood, glass, and metal, and is comparable in strength to industry-standard adhesives.
A KAIST team has designed a new strategy for electronics that can mechanically transform into a wearable electronic device. The platform allows users to seamlessly tune its stiffness and shape, offering robust and convenient interfaces for various 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.
A team led by Chongmin Wang at the Pacific Northwest National Laboratory found that certain compounds in the electrolyte prompt the growth of dendrites and whiskers. By manipulating the battery's ingredients, they hope to prevent their growth and eliminate a major obstacle to widespread use of lithium metal batteries.
Researchers developed a universal computer model for metal nanoparticle adsorption, accounting for structural characteristics, metal composition, and adsorbates. The model enables predicting adsorption trends on novel nanoparticles, accelerating nanomaterials design.
Researchers at Bar-Ilan University have developed a new concept that combines light and sound waves in standard silicon chips, achieving delays of tens of nano-seconds without introducing additional materials. This breakthrough enables the selective processing of sound waves, which is difficult for electronics and optics alone.
The new technology distributes decision-making throughout a stretchable material by sensing, computing, and responding without centralized processing. This approach holds promise for use in soft robotics and prosthetic devices, mimicking the decentralized brain of octopuses.
Researchers have developed a general method to prepare ultrathin MOF NRBs with high surface area, highly active surface and excellent catalytic efficiency. The proposed method is simple, efficient and versatile, which could be used for the preparation of a series of ultrathin MOF NRBs.
A comprehensive review paper provides a thorough understanding of the scientific and technological knowledge behind nanocomposite fabrication using selective laser melting. The study highlights the potential of this additive manufacturing technology for creating customized parts with unique structures and properties.
Researchers at Stanford University have developed a coating that overcomes some of the battery's defects, extending its life and making it safer. The coating prevents dendrites from forming, which can cause the battery to combust or create a short circuit.
A study led by UC San Diego researchers identifies the root cause of lithium metal battery failure as bits of lithium metal deposits that break off from the anode during discharging. These deposits get trapped in the solid electrolyte interphase (SEI) layer, lowering Coulombic efficiency and causing batteries to fail. The findings coul...
Scientists have developed a new imaging method called tomoscopy using synchrotron radiation to observe the foaming of liquid metals in great detail. This technique allows for the analysis of dynamic processes with high temporal resolution, providing insights into material distribution and pore formation.
Researchers have developed a 'Trojan horse' technique to produce intense electron beams, potentially shrinking future accelerators by 100-1,000 times. This could lead to brighter X-ray lasers and enhanced scientific capabilities.
Researchers have developed amorphous/crystalline heterophase PdCu nanosheets with high chemoselectivity and catalytic activity. The phase transformation behavior of these nanosheets affects their properties, leading to improved catalysis in hydrogenation reactions.
A nationwide program to unify research on liquid metal components for future tokamaks will be coordinated by Princeton Plasma Physics Laboratory's Rajesh Maingi. The three-year project aims to develop a strategy for coating the divertor with flowing liquid lithium to protect it from extreme heat.
A team of researchers has gained insight into the inner workings of an atomic switch, revealing that its metallic filament is composed of both electrode and metal sulfide layer metals. This finding may lead to improved performance in atomic switches, crucial for next-generation AI and IoT devices.
Researchers have developed a wax-based composite coating that protects lithium metal anodes from air and water, achieving high capacity retention rates. The coating prevents dendrite growth and maintains electrochemical performance under humid conditions.
A team of Chinese and Canadian scientists developed a theoretical model to predict properties of hydrogen nanobubbles in metal using computer simulations. The model reveals simple rules for hydrogen trapping behavior in nanovoids, providing a powerful tool for evaluating hydrogen-induced damage in fusion reactors.
Researchers find that introducing a controlled amount of fluorine enhances the growth rate of 2D materials like graphene, h-BN, and WS2. This allows for faster production of high-quality films, reducing synthesis time by up to 70%. The study demonstrates a promising approach to controlling the growth of 2D materials.
Researchers discovered a nanoscale tungsten-microbial interface that enables the growth of heat-loving microorganisms. This finding has implications for the survivability of microorganisms in outer space and the potential use of tungsten as interstellar radiation shielding.
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 developed a simpler approach to creating multi-junction solar cells using intermetallic bonding, avoiding significant expense and complexity. The technique enables the creation of high-efficiency solar cells with lower production costs.
Researchers from Carnegie Mellon University have developed a semiliquid lithium metal-based anode that could lead to higher capacity and safer lithium metal batteries. The new design overcomes limitations of traditional solid electrolytes, enabling higher current density and longer cycle-life.
Researchers from the University of Minnesota and University of Massachusetts Amherst have discovered a way to speed up chemical reactions using oscillating catalysts. This breakthrough could significantly reduce equipment costs and increase production efficiency in various industries.
Researchers from the University of Bath have patented a technique that allows electrons to be accessed for applications including quantum computing, atom cooling, and precision measurements. The innovation uses gold nanoparticles to stabilize alkali metal vapors, enabling fast and reproducible control over the vapor density.
A Purdue University researcher has been awarded a Global Scholar Award to develop novel technologies for identifying toxic metal exposure, with the goal of reducing health problems associated with metal accumulation. The award will support her work at leading synchrotron facilities in Germany and South Korea.
Experiments using Hellman's Real Mayonnaise and accelerated conditions confirm the instability of elastic-plastic material is a function of initial conditions. The study provides new insights into the dynamics of materials in extreme environments, relevant to inertial confinement fusion.
Scientists have developed a fast and versatile two-in-one synthetic strategy to partition pores in metal-organic frameworks (MOFs), resulting in highly efficient adsorbents. The new pore-space-partitioned MOF shows better gas uptakes than unpartitioned materials, particularly for ammonia uptake with high packing density.
Columbia engineers develop a nano-coating of boron nitride to stabilize solid electrolytes in lithium metal batteries, increasing battery life while ensuring safety. The new method achieves record-thin protection layers without lowering energy density.
A study published in Nature Genetics has identified a gene responsible for cadmium accumulation in durum wheat, a toxic metal that poses serious health risks. The discovery enables the rapid development of low-cadmium durum wheats, increasing the quality and safety of pasta and couscous.
The £1.1 million project aims to develop bioresorbable stents that prevent complications associated with metal stents, treating severe peripheral vascular disease. The new device will dissolve between 18-24 months, preventing life-long presence of metal stents and associated chronic inflammation.
Researchers use metal nanoparticles to detect single target molecules in paper-based tests, overcoming limitations of conventional dyes. The results enable ultra-sensitive diagnostics with limitless applications in medicine, forensics, and environmental safety.
Researchers at Tohoku University have developed a new complex hydride lithium superionic conductor that can result in all-solid-state batteries with the highest energy density to date. The material exhibits high stability against lithium metal, a major challenge for all-solid-state battery development.
Researchers found that magnetic stir bars become permanently contaminated with metal nanoparticles after a week of use, affecting subsequent reactions. Regular cleaning procedures are insufficient to remove such contamination completely.
Researchers at Penn State have developed a novel solid-electrolyte interphase (SEI) to improve the stability of lithium metal batteries, allowing for increased energy density and safety. The SEI is made from a reactive polymer composite that creates a stable bond between the lithium electrode and electrolyte.
Scientists at the University of Rochester's LLE have successfully turned a liquid metal into a plasma, exhibiting classical properties at high temperatures. This discovery has implications for better understanding stars and planets, as well as realizing controlled nuclear fusion, a promising alternative energy source.
Researchers at Lehigh University have discovered that electrically-heated silicate glass can exhibit highly inhomogeneous temperature profiles, melting near the anode while remaining solid elsewhere. This phenomenon challenges classical Joule's law and has implications for the fabrication and manufacturing of glass and ceramic materials.
The XMaS facility will receive a £7.2million upgrade to enhance its capabilities for studying materials' atomic and microscopic structures. This will support research into various fields, including energy storage, climate change, and healthcare.
North Carolina State University researchers created fibers that combine rubber's elasticity with metal's strength, resulting in a tougher material. The fibers can stretch up to seven times their original length before failure while absorbing energy, making them suitable for applications like soft robotics and textiles.
Researchers have identified the causes of gas pockets in 3D printing, which can lead to cracks and failures. The study used high-energy X-rays to predict when these pockets will form, enabling better control over the printing process.
New research from Carnegie Mellon University and Argonne National Laboratory has identified how and when gas pockets form in 3D printing, leading to cracks and failures. The study developed a methodology to predict gas pocket formation, which could improve the consistency of finished products.
Researchers build a 2D nanosheet and link it together to form a stable 3D 'butterfly-shaped' palladium cluster with potential industrial applications. The cluster's unique shape is stabilized by chemical linkers, enabling precise control of its function.