Articles tagged with Metals
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.
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.
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.
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.
Rice University researchers have created a new method to detect and mitigate lithium dendrite growth, which can cause battery failure. A layer of red phosphorus acts as a signal to shut down charging when dendrites approach the separator.
Researchers at CityU developed an efficient fabrication method to create smooth perovskite films with enhanced performance and stability. This led to the production of highly efficient and stable green LEDs with a record operational lifetime.
Researchers have discovered a 'sweet spot' where adding certain additives enhances perovskite solar cell performance, but beyond that point, further additions degrade it. The findings provide clues for improving the material's efficiency and longevity, which currently lags behind conventional silicon cells.
A Northwestern University team has developed a novel material that can self-heal within seconds when scratched or cracked, preventing localized corrosion. The coating, inspired by fluids, flows and reconnects to rapidly heal, even after repeated damage.
A NYU Tandon-led research team invented thermal lithography process for fabricating metal electrodes on 2D semiconductors, improving transistor quality and reducing power consumption. The new fabrication method offers advantages over standard electron beam lithography methods.
Researchers developed a strategy to design single-atom catalysts for CO2 transformation, exhibiting superior activity and stability. The Ir-based catalyst shows the best performance yet for heterogeneous conversion of CO2 to formate.
Researchers have developed a novel Li anode design featuring a solid electrolyte layer and housed framework to mitigate dendrite growth and volume expansion. The resulting batteries exhibit excellent capacity retention and stability, paving the way for next-generation rechargeable battery development. This innovative approach has signi...
An international team of scientists developed a hybrid micro mixer that increases mixing efficiency by up to 90%, making it suitable for various biological studies. The device combines different geometry elements, offering high process efficiency and replacing existing passive micro mixers.
Researchers at the University of Pittsburgh are partnering with General Carbide to optimize tungsten carbide for additive manufacturing. The goal is to improve durability and reduce breakage in 3D printed parts. The project aims to develop better base powders and printing methods to enhance the use of tungsten carbide in metal printing.
A new study published in the journal Heart found that Latinos exposed to pesticides at work are twice as likely to have cardiovascular disease. The study, based on survey responses from 7,404 employed Latinos, also found increased risk of atrial fibrillation among those with occupational exposure to metals or pesticides.
Research reveals a strong association between workplace exposure to metals and pesticides and an increased risk of coronary heart disease and atrial fibrillation. The study suggests that cumulative exposure may be more harmful, particularly for Hispanic/Latino workers who may face language barriers and limited resources.
Researchers developed a new EPR method using a nanomembrane to analyze metalloproteins with minimal liquid sample. The technique detects changes in magnetic properties and enables sensitive measurements across a wide frequency range, shedding light on the mechanisms behind these vital proteins' functions.
Researchers developed a three-dimensional polymer sponge that promotes ion transfer while inhibiting dendritic growth in lithium metal batteries, potentially increasing cycle life and safety. The technology could enable more powerful and stable metal battery technologies for everyday use.
Using computer modeling, a team discovered that plasmas activate metal catalysts in packed bed reactors, causing faster and more efficient chemical reactions. This process could lead to more efficient processes for removing air pollution, converting CO2 into fuels, and producing fertilizer.
Researchers have found an extremely hot magnetosphere around a white dwarf, a remnant of a star like our Sun. This discovery sheds light on the origin of highly ionised metals in some white dwarfs, which were previously a puzzle. The study reveals that the magnetic field traps material flowing from the surface, heating it up dramatically.
Researchers at Michigan Tech have developed a new approach to high-frequency MRI machines by using radio frequency probes inspired by microstrip patch antennas. These designs increase MRI resolution and provide uniform magnetic fields, leading to better images.
The new magnetostrictive transducer from SwRI offers more precise inspections and reduces human error in structural health monitoring. It can withstand extreme temperatures and automatically adjusts frequencies, making it an extremely reliable sensor for detecting material flaws and corrosion.
Researchers at Rice University have created high-powered, fast-charging lithium metal batteries using carbon nanotube films. The films effectively quench dendrite growth, allowing the batteries to retain 99.8% of their coulombic efficiency over 580 charge/discharge cycles.
A new ultra-light haptic glove enables users to interact with virtual objects in a highly realistic way, generating forces of up to 40 Newtons. The device has potential applications in gaming, healthcare and augmented reality.
A Florida State University research team has developed a unique organic-inorganic compound containing zero-dimensional molecular clusters that emit highly efficient blue light. The newly discovered material has an efficiency of over 80%, making it a promising candidate for photon-related technologies.
A new digital platform DIME has been launched in Denmark to register and make accessible the growing number of metal detector finds. This initiative aims to strengthen collaboration between amateur archaeologists and museums, allowing for a broader sharing of knowledge and promoting democratic cultural heritage management.
Researchers have developed a novel technology to improve lithium metal battery performance by coating the anode with a lithium silicide layer. The new approach overcomes dendritic growth issues, leading to improved rate capability and cycle stability.
The study reveals that thermodynamic forces, specifically the difference of equilibrium electro-chemical potentials between metals, drive symmetry breaking in seed-mediated growth. This allows for the creation of asymmetric bimetal nano-heterostructures with unique properties and functions.
SwRI engineers have created a small cooled turbine that can operate thousands of hours without repair, significantly improving drone efficiency. The new design uses a 3D printed impeller to cool the turbine, allowing it to maintain performance while increasing reliability.
Researchers at The University of Tokyo's Institute of Industrial Science developed a method to detect the motion of individual molecules using terahertz radiation. This breakthrough allows for the study of molecular vibrations and electron tunneling with unprecedented sensitivity.
Researchers at Hong Kong Baptist University have developed a metal compound that inhibits the enzyme lysine-specific demethylase 5A (KDM5A) in TNBC tumours with less toxicity in mice. This discovery holds great promise for the development of targeted drugs for TNBC therapy, offering a new approach to treating this difficult form of bre...
Researchers have developed a new laser technique to bind aluminum with plastic in injection molding, creating stronger lightweight materials. The method uses continuous infrared lasers to pretreat aluminum sheets, improving adhesion strength and paving the way for more efficient vehicles.
Researchers found that a specific type of fish louse, Argulus japonicus, can accumulate high concentrations of metals, potentially serving as an early warning system for water quality. The lice's unique mechanisms for protecting themselves from toxins may hold the key to detecting metal pollution.
Researchers from UNIGE have developed a new type of chemical sensor capable of detecting the presence of metals in the environment. The sensor forms a 3D structure with molecules that emit light when metal ions are present, making it easy to detect and identify different types of metals.
Researchers at the University of Michigan have developed a new rechargeable battery technology using lithium metal that can double the output of current lithium ion cells. The ceramic electrolyte-based approach eliminates the historic issues of poor durability and short-circuiting, enabling faster charging rates and longer lifetimes.
A Rutgers University-led study demonstrates that ordinary WiFi can be used to detect weapons, bombs, and explosive chemicals in bags at museums, stadiums, theme parks, schools, and other public venues. The system uses wireless signals to identify objects and materials, reducing security screening costs and manpower needed.
Researchers discovered a new property in cuprate superconductors where resistivity scales linearly with high magnetic fields. This finding contradicts existing theories and suggests non-quasipartical mechanisms are at play.
A new technique has been developed to manufacture non-stick food molds at a lower cost and with ease. The method involves transforming metal sheets covered in teflon and PVC into the desired shape using a punch guided by a computer, resulting in functional molds.
Researchers used high-energy laser beams and optical sensors to observe nitrogen behavior at extreme conditions, confirming it exists as a liquid metal. The findings shed light on the fundamental nature of nitrogen and its potential role in the planet's atmosphere evolution.
Researchers create nanodevices using kirigami-inspired technique to filter out circularly polarized light, potentially enabling new applications in sensing, computation, and communications systems. The approach could lead to smaller, more efficient detectors and nanoscale optical isolators for laser optical communications systems.
A team at TUM has succeeded in generating ultrashort electric pulses on a chip using tiny plasmonic antennas, operating above the surface and reading them in again. This breakthrough closes the terahertz gap, enabling frequencies up to 10 terahertz.
Scientists have observed superconducting vortices in an ordinary metal when it is brought into contact with a superconductor, demonstrating the existence of induced quantum coherence. This discovery enables a better understanding of the processes occurring at the interface between superconducting and normal phases.
Researchers have developed a lightweight carbon nanofiber-based collector that can restrain dendrite growth and achieve uniform lithium deposition. The collector, made with high nitrogen-doping levels, improves energy density by up to 2489.7 mAh/g, enabling the practical use of lithium metal anodes.
A Rutgers-led international team of scientists has verified a 53-year-old theory on ferroelectric metals, creating a new class of two-dimensional artificial materials that exhibit ferroelectric-like properties at room temperature. These findings have the potential to spawn a new generation of multi-functional devices and applications.