Articles tagged with Metals
Researchers have successfully grown the smallest stable carbon nanotubes, a breakthrough that could lead to advancements in nanoelectronics and cutting-edge technologies. The study uses rhodium-based catalysts to achieve a high yield of the (5, 4) nanotube, paving the way for future applications.
Atomically thin 2D metals exhibit unique properties, making them suitable for applications in electronics, electrochemistry, and catalysis. Five synthesis methods, including confinement techniques and van der Waals squeezing, are explored to fabricate 2D metals with distinct properties.
A multidisciplinary team led by Natasha Vermaak investigates developing structural materials resistant to high-frequency thermomechanical loads for rotating detonation engines. The project aims to address the lack of established materials solutions for extreme thermomechanical loadings, enabling advancements in propulsion systems.
Researchers develop flexible batteries with internal voltage regulation using liquid metal microfluidic perfusion and plasma-based reversible bonding techniques. This technology addresses limitations of traditional rigid batteries.
Researchers have introduced a novel electron localization strategy to create Ni-MXene composites with enhanced polarization, leading to boosted electromagnetic wave attenuation. The composites achieve an ultra-wide effective absorption bandwidth of 6.8 GHz and set a new benchmark for MXene-based EMW absorbers.
Researchers are making progress in overcoming technical hurdles to create layered structures, continuous gradients, and fully three-dimensional architectures with programmable material variation. Optimized laser parameters and build sequences can enhance strength, control heat flow, and improve energy absorption.
Researchers developed novel artificial bone scaffolds with high deformation recovery capabilities, exceeding those of natural bone and conventional metallic scaffolds. These scaffolds allow for flexible adjustments of properties like strength and modulus to meet specific implantation site requirements.
A new study published in Nature highlights the differences between hydrogen and carbon monoxide as reductants in oxide reduction, offering insights for more efficient and sustainable metal extraction. Hydrogen is found to facilitate faster and cleaner reaction kinetics, generating benign water vapor as a byproduct.
Scientists successfully prepared stable polymeric nitrogen materials using a one pot method, achieving higher mass content due to the inclusion of lithium metal. The approach is promising for applications as a high energy density material with excellent ignition performance.
Researchers at Rice University have demonstrated a strong form of quantum interference between phonons, revealing record levels of interference. The breakthrough could lead to new technologies in sensing, computing, and molecular detection.
Researchers found that heavy use of copper antimicrobials can drive antibiotic resistance in bacteria, but switching to copper with other measures can help mitigate this effect. Copper-resistant bacteria also become resistant to antibiotics, suggesting a common evolutionary pathway.
Researchers developed a new method to activate water-splitting catalysts at an oven temperature of just 300 °C, boosting oxygen evolution efficiency by nearly sixfold. This breakthrough enables large-scale energy storage and conversion using solar and wind power.
A new study by the University of Arizona Health Sciences found a potential link between growth problems among infants and high levels of toxic metals and other elements in the breast milk of Mayan women in Guatemala's Lake Atitlán watershed region. High concentrations of arsenic, barium, beryllium, and lead were associated with impaire...
Researchers explore innovative synchronous electrolytes to optimize zinc anode and halogen cathode performance. The review proposes promising candidates for enhanced stability and efficiency in aqueous zinc-halogen batteries.
Researchers develop smart planning systems to predict weld bead geometry and optimize deposition paths, reducing thermal stresses and defect rates. Innovations in real-time monitoring and auxiliary strategies improve material integrity and mechanical properties.
Advanced computer simulations reveal shear deformations and internal mechanical stresses play a crucial role in grain growth and evolution. This discovery helps explain why real polycrystals behave differently than predicted and offers insights into designing stronger materials.
Researchers found that disposable e-cigarettes release higher amounts of metals and metalloids than older refillable e-cigarettes and traditional cigarettes. The study highlights the need for urgency in enforcement due to hazardous levels of neurotoxic lead and carcinogenic nickel, antimony, and other substances.
A new multi-cohort study found that exposure to certain metals detected in urine is associated with a higher risk of heart failure. The study analyzed over 10,000 adults across diverse geographic and racial backgrounds and observed consistent associations between elevated urinary metal levels and increased HF risk.
Researchers have developed metal-based Janus nanostructures that boost CO2 reduction via tandem electrocatalysis. These structures exhibit unique properties and mechanisms, enabling the generation of single-carbon and multi-carbon products.
A new study by UC Riverside researchers reveals that ultrasonic cigarettes may pose significant health risks due to the presence of harmful metals in their liquids and aerosols. The study found elevated levels of metals like arsenic and selenium in u-cigarette products, which can lead to lung diseases, organ damage, and cancer.
A recent study shows that electric vehicle manufacturers can reduce their material demands by nearly 15% by adopting a circular manufacturing system decision-making model. This approach enables product design that facilitates eventual remanufacture and reuse, or recycling, resulting in production cost savings of 18.6% and overall carbo...
Researchers developed novel haptic devices to enable precise robot control with tactile feedback, reducing collisions and improving user proficiency. The devices integrate digital twin technology and augmented reality for enhanced immersion.
Researchers at Virginia Tech have designed a new metallic material alloy with superior mechanical properties, leveraging data-driven frameworks and explainable AI. This breakthrough accelerates the discovery of advanced metallic alloys, offering insights into materials' structure-property relationships.
A team of scientists has developed a new method for desalination that uses liquid tin to simultaneously purify water and recover valuable metals. The process, powered by concentrated solar energy, can transform desalination brine into a valuable resource.
Researchers at Texas A&M University are developing a new method to recover rare earth elements from old electronics, such as tablets and phones, using solid-phase extraction technology. This method aims to reduce energy use, cut down on solvents, and streamline the process, making it more environmentally friendly and commercially viable.
A team of scientists at UNIST developed a data-driven structure prediction algorithm that led to the synthesis of three novel porous materials with exceptional selectivity in gas separation. The newly developed materials have significant potential for greenhouse gas separation and purification applications.
Researchers at MIT have developed a new method to fabricate stretchable ceramics, glass, and metals using a double-network design. This material can stretch over four times its size without breaking, making it suitable for tear-resistant textiles and flexible semiconductors.
Scientists successfully fabricated micron-scale metal patterns on living tardigrades, enabling controlled movement through magnetic fields. This breakthrough opens doors for micro/nanofabrication of living organisms and bio-inorganic hybrid systems.
Researchers developed a novel protein, LSUBP, to enhance uranium extraction from seawater. The engineered protein achieves high adsorption capacity, offering a promising new material for effective uranium extraction.
Researchers develop a gel polymer electrolyte with a localized high-concentration solvation structure, enabling solid-state batteries to operate at 4.7 V with high energy density and cycling stability. The new electrolyte also exhibits exceptional safety characteristics, including no electrolyte leakage or combustion.
A new study emphasizes the importance of pushing metal site design limits to optimize hydrogen evolution reaction in single atom catalysts. Researchers found that hydrogen binding energy calculation can serve as a good predictor of activity, and neighboring nitrogen atoms can host catalytic activity to negate poisoning effects.
Dr. Wei Li is creating a virtual lunar welding platform to simulate welding in the moon's harsh environment, addressing temperature fluctuations and extreme vacuum conditions. The project aims to enable reliable large structure assembly on the moon, a crucial step for human colonization.
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 have developed novel membranes that can pull lithium directly out of salt-lake brines using electricity, leaving other metal ions behind. The process could reduce the environmental impact of lithium mining and contribute to more efficient energy storage systems for renewable energy sources.
Researchers create atomically thin 2D metals using a new manufacturing technique called vdW squeezing, which allows for the production of diverse materials with enhanced physical properties. The technique enables the exploration of novel physics and new device architectures.
The study identifies a new area where a correction for the self-interaction error breaks down, allowing researchers to pinpoint flaws and develop solutions. By refining DFT, scientists can design better catalysts, leading to improvements in fields such as food production and technology.
Researchers discovered that tetrahedral Co²⁺ is preferentially incorporated into the lattice in early stages of Co(OH)₂ formation. The retention of tetrahedral Co²⁺ is linked to effective OH⁻ concentration, paving the way for optimized synthesis methods and enhanced material properties.
Mechanochemistry enables efficient generation of organolithium compounds, solving traditional synthesis challenges with simplified, solvent-free method. The new protocol achieves high conversion rates and reduces handling risks for technicians with limited experience.
The article reviews additive manufacturing technology for biomedical metals, enabling customized implants with precise internal structures. It highlights the integration of AI and 4D printing, addressing challenges in production costs, regulatory compliance, and post-processing.
Researchers uncover a novel reaction pathway in weak-binding metal-nitrogen-carbon single-atom catalysts, contradicting the traditional Sabatier principle. This discovery offers new insights into their exceptional catalytic behavior.
Research by University of Washington oceanographers found that whale excrement contains significant amounts of iron, a vital element for phytoplankton growth. The study suggests that the decimation of baleen whale populations may have had larger biogeochemical implications for the Southern Ocean ecosystem.
A new study highlights the need for collaboration among recyclers, manufacturers, and policymakers to develop efficient and sustainable lithium-ion battery recycling processes. Advanced techniques like direct recycling and upcycling could reduce costs by up to 40% while minimizing secondary pollution.
Weizmann researchers create new method to analyze dendrites in lithium-ion batteries, finding optimal composition for safe energy storage. The study reveals 'golden ratio' for electrolyte balance, extending battery life and reducing fire hazard.
Researchers developed AshPhos, a ligand that facilitates the formation of carbon-nitrogen bonds using inexpensive materials. The tool has potential applications in pharmaceuticals, nanomaterials, and degrading PFAS pollutants.
Scientists from Chiba University successfully analyzed human chronic myelogenous leukemia cells using a new sample introduction system, achieving accurate elemental composition measurements without damaging the cells. The study expands the potential of ICP-MS technology for mammalian cultured cell analysis.
Researchers developed a metal-organic cage that selectively recognizes and encapsulates radioactive strontium, achieving a 99.7% removal efficiency at low concentrations. The novel material design enables precise recognition sites within the cage's cavity.
A study reveals that US commodity consumption patterns have undergone a significant transformation since the 1970s, with growth in demand for certain materials slowing down. This trend, known as relative dematerialization, is driven by technological and societal changes, such as the rise of recycling and shifting consumer behavior.
A research team at Yokohama National University developed a method to study titanium's electronic structure using high harmonic generation. They found that the orientation of electrons affects the material's strength, flexibility, and bonding behavior.
Researchers at Pusan National University developed a hybrid model to predict metal wear in magnesium alloys, enabling safer, lighter designs. The model combines machine learning and physics to improve fatigue life prediction, offering greater predictive reliability for enhanced safety and longevity.
Researchers have observed a rare metal-poor supernova, providing valuable information about the early universe. The study revealed that this supernova was distinct from others in nearby galaxies, with unique properties such as a steady brightness period and rapid spin.
Researchers found high levels of contamination on Perequê Beach in Guarujá, Brazil, with plastic and cigarette butts predominating. The study, published in Marine Pollution Bulletin, highlights the need for public policies to mitigate litter and protect marine ecosystems.
Researchers develop novel Ta-based implants with improved biocompatibility and osseointegration properties, enabling better bone growth and stability. The designs optimize mechanical and biological requirements for optimal clinical results.
Researchers at Nagoya University developed an innovative method to synthesize amorphous nanosheets from challenging metal oxides and oxyhydroxides. The process uses surfactants to create ultrathin layers with numerous defects, making them excellent active sites for catalytic reactions.
A new MOF has been developed using a 'Merged-Net Strategy' inspired by skyscraper architecture, resulting in enhanced porosity and structural stability. The material exhibits superior water adsorption capacity and reusability compared to conventional MOFs.
A research team led by Dr. Franco Marcantonio found significant lead pollution in a Tibetan glacier starting in 1974, with highest levels between 2000 and 2007. The team traced the source of pollution to Chinese gasoline emissions containing lead until its phasedown after 2007.
Researchers at University of Göttingen studied Bronze Age spear combat using multi-stage experiments to understand fighting styles and mark formation on spearheads. The study provides insights into wear formation, trauma, and combat contexts, benefiting future research and museum curation.
For the first time, researchers have witnessed nanosized water bubbles forming in real time using a novel method that enables atomic precision. The breakthrough discovery has significant implications for practical applications, such as rapid water generation in deep space environments without extreme conditions.
The research team developed a printing-based selective metal thin film deposition technique, enabling the fabrication of high-performance soft electronic devices and circuits in various forms. The method utilizes polymer patterns to block metal vapor condensation, allowing for patterning on multi-curvature or elastic substrates.
The Rice-led MURI project aims to develop innovative single-atom reactor systems and analyze various chemical processes of strategic importance to the DOD. The researchers, led by Naomi Halas, seek to improve energy efficiency and reduce protocol intensity in chemical reactions.
A study published in JACC found that metal exposure is associated with progression of plaque buildup in the arteries, comparable to traditional risk factors like smoking and diabetes. The findings support considering metal exposure as a significant risk factor for atherosclerosis and cardiovascular disease.