Articles tagged with Materials
Researchers at Colorado State University have developed a stronger, biodegradable adhesive polymer that can replace common superglues. The new polymer, made from P3HB, offers tunable adhesion strength and is biodegradable under various conditions.
Researchers discovered how polarons behave in tellurene as it becomes thinner, revealing changes in electrical transport and optical properties. This knowledge could inform the design of advanced technologies like more efficient electronic devices or novel sensors.
Researchers at Osaka Metropolitan University have discovered yeast cell wall-derived proteins that exhibit high emulsifying activity, comparable to commercial casein emulsifier. These easily released protein molecules could potentially replace emulsifiers derived from milk, eggs, and soybeans, reducing allergenic concerns.
Scientists at Hiroshima University have created a controlled helix using supramolecular polymerization, which can be used to control the behavior of materials in various scenarios. The new polymer has the potential to improve applications such as memory, sensing devices, and catalysis by controlling its handedness.
Researchers have discovered a highly electrically conductive material with low thermal conductivity, challenging the link between electrical and heat conduction. This finding could lead to new developments in building materials, performance apparel and energy storage solutions.
German physicist Christian Schneider has been awarded a European Research Council Consolidator Grant to study the optical properties of two-dimensional materials. His team plans to develop experimental set-ups to investigate the unique properties of these materials, which could lead to new applications in quantum technologies.
Researchers found that burned rice hulls can provide a nearly doubling of energy density in typical lithium-ion or sodium-ion batteries. The process is more sustainable than producing graphite from biomass, which requires heating to high temperatures and produces significant CO2 emissions.
Researchers developed a new ultrafine-grained W-Cu bimetal with spatially connected Cu and specific W islands, achieving outstanding integrated mechanical properties and electric conductivity. The unique microstructure enhances stress distribution and strain response in each phase.
Researchers from Bar-Ilan University have uncovered a previously unknown phenomenon that enables precise control over molecular patterns on liquid droplet surfaces. The discovery, which involves a transformation between two types of structural defects, has broad implications for technologies such as vaccine design and nanoengineering.
Scientists at the Swiss Federal Laboratories for Materials Science and Technology have successfully created luminous wood by combining fungal threads with hardwood. The process involves a two-stage enzymatic reaction that stimulates the production of luciferin, emitting green light from the treated wood.
Researchers have developed a liquid moisture adsorbent that can efficiently harvest water from the air at near ambient temperatures. The technology, which uses random copolymers of polyethylene glycol and polypropylene glycol, has the potential to provide clean drinking water in arid regions and during disasters.
An international team of scientists identified a surprising factor accelerating lithium-ion battery degradation, leading to reduced charge and potential failure in critical situations. Strategies to reduce self-discharge may include electrolyte additives and cathode coatings to improve battery lifespan.
Researchers developed an ultra-thin metal oxide semiconductor sensor to monitor human breath in real-time, with fast response and recovery times. The sensor achieved stable operation and recorded changes in respiratory status during various breathing states.
Scientists at the Paul Scherrer Institute have found a quantum phenomenon known as time-reversal symmetry breaking occurring at the surface of the Kagome superconductor RbV₃Sb₅ at temperatures up to 175 K. This discovery sets a new record for the temperature at which this phenomenon is observed among Kagome systems.
Researchers used computational methods to screen potential plasma-facing materials for fusion reactors, considering factors like thermal resistance and neutron bombardment. A shortlist of 21 materials was identified, including tungsten, diamond, and tantalum nitride, which showed promise for divertor applications.
Researchers develop a novel synthesis method for CdNCN-CdS heterostructures, enabling rapid electron transfer and minimizing carrier recombination. The optimized structure demonstrates exceptional hydrogen evolution efficiency, surpassing previously reported catalysts.
Researchers from Kyushu University successfully promoted singlet fission by introducing chirality into chromophores, achieving high SF efficiency in aqueous nanoparticles. This breakthrough enables applications in energy science, quantum materials, and photocatalysis.
Researchers have designed a paper-aluminum laminate that could replace plastic layers in protective packaging, providing a more sustainable option. The material's mechanical properties were compared to conventional polyethylene-aluminum laminates and found to be nearly identical.
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 North Carolina State University developed a new method to visualize interfaces in organic solar cells, revealing design rules to improve efficiency. The study found that sharp donor-acceptor interfaces are key to reducing voltage losses.
A team at Osaka Metropolitan University has designed a multilayer device to investigate spin currents, using an organic semiconductor material with a long spin relaxation time. This allows direct observation of phenomena due to spin current generation and enables researchers to gain deeper insights into the properties of spin currents.
A research team led by University of Nebraska–Lincoln materials scientists has discovered a new MXene material with p-type properties and increasing conductivity under illumination. The discovery enables complex structures where complementary MXenes are used together to achieve new electronic functionalities.
Scientists have successfully captured 3D images of magnetic skyrmions, a nanoscale object that could revolutionize microelectronic storage devices and quantum computing. The breakthrough provides a foundation for nanoscale metrology and opens opportunities for the development of topological spintronic devices.
Scientists at Osaka Metropolitan University have synthesized aza-diarylethenes that exhibit both photoswitching and thermal switching properties. These new molecules can be used as rewritable recording mediums, written with light or heat, and erased with visible light.
Researchers successfully visualized tiny magnetic regions, known as magnetic domains, in a specialized quantum material using nonreciprocal directional dichroism. They also manipulated these regions by applying an electric field, offering new insights into the complex behavior of magnetic materials at the quantum level.
Researchers at Osaka Metropolitan University have developed a promising solid electrolyte for all-solid-state batteries, showing high conductivity and formability. The new electrolyte, Na2.25TaCl4.75O1.25, also exhibits superior mechanical properties and electrochemical stability.
Researchers at the University of Chicago have developed artificial photocatalytic systems using framework materials, which significantly outperform their homogeneous analogs. These materials can fine-tune performances in photosynthesis-like reactions by incorporating the right photosensitizers and catalysts.
Researchers have identified coupling design methods, composite manufacturing techniques, and future prospects for micro/nanorobots. The review explores three core functions: mobility, controllability, and load capacity, offering insights into designing high-performance MNRs.
The study probed the electronic structures of metal and ligand sides using soft X-ray absorption spectroscopy, revealing differences in energy shifts between cobalt and iron protoporphyrin IX complexes. The results show that CoPPIX maintains its five-coordination geometry in aqueous solution.
Researchers found that different synthesis methods significantly affect high entropy oxides' local structures and microstructures. Combustion synthesis produced the most homogeneous samples, while solid-state method resulted in varied local structures.
Early porous coordination polymers (PCPs) exhibit a flexible 'soft' nature, allowing them to adjust their shape and hold more gas. This finding offers new insights into the evolution of PCPs and paves the way for future research and applications.
A Japanese research team developed a new method for producing large-area nanosheets with exceptional electronic, optical, mechanical, and chemical properties. The 'spontaneous integrated transfer method' uses the spontaneous spreading phenomenon of wetted nanosheets to create uniform films in just one minute.
Researchers at the University of Pittsburgh receive a $251,981 DARPA award to design more effective underwater adhesives inspired by mussels. They aim to optimize molecular-level properties for strengthened underwater infrastructure and fluidic environments.
A team from Osaka Metropolitan University has created a way to control the growth of crystals on metal-organic frameworks thin films, reducing light scattering and resulting in high-quality films. These advanced films are expected to be used as optical sensors, optical elements, and transparent gas adsorption sheets.
Researchers at Singapore University of Technology and Design have developed a novel approach to metalworking using chitinous colloids and composites. By leveraging the affinity between chitin and metals, they created functional metallic structures without high temperatures or pressures.
The study proposes a combined process route of laser-beam powder bed fusion and magnetic field annealing to enhance magnetostrictive strain and sensitivity. This results in improved effective magnetic anisotropy constant, reduced domain motion resistance, and increased magnetostrictive strain-sensitivity synergy.
Researchers at the University of Chicago have discovered a new material, MnBi2Te4, that can store and access computational data using light. The material's magnetic properties change quickly and easily in response to light, making it suitable for optical storage devices.
A new deep learning-based inverse design method allows for the optimization of complex acoustic metamaterials, reducing noise pollution while maintaining ventilation. The approach enables ultra-broadband sound attenuation across various peak frequencies.
Physicists at European XFEL have made comprehensive observations of ionisation processes in warm dense matter. The team observed how quickly copper transforms into the exotic state of ionised WDM to become transparent to X-rays.
Piezoelectric materials are used in sonar and ultrasound applications, but can deteriorate due to heat and pressure. Researchers have developed a technique to depole and repole these materials at room temperature, allowing for easier repair and paving the way for new ultrasound technologies.
Liheng Cai, a UVA engineering professor, has received a $1.9 million NIH grant to create advanced biomaterials that can be used to repair living tissues and build organ structures. His lab aims to develop polymers that mimic human biology and integrate healthy cells into the human body.
Researchers developed a photolithography-compatible technology for ultra-high-resolution organic semiconductor devices, enabling OLED displays with resolutions of over 20K ppi. This breakthrough addresses the challenge of damaging organic materials during photolithographic processing, paving the way for next-generation displays.
Scientists from Jingdezhen Ceramic University and Zhejiang Sci-Tech University synthesized SiOC@C ceramic nanospheres with tunable electromagnetic wave absorption performance using a liquid phase method. The material exhibits improved electromagnetic wave attenuation ability, outperforming previous PDC-SiOC ceramics.
Researchers have discovered a new connection between the nanoscale features of a piezoelectric material and its macroscopic properties, providing a new approach to designing smaller electromechanical devices. The mesoscale structures reveal a complex tile-like pattern that aligns dipoles in a specific way under an electric field.
Researchers at UC Santa Barbara have made significant advancements in understanding the role of atomic vibrations in photon emission. By identifying techniques for engineering emitters that are brighter and more efficient, they hope to overcome low efficiency and pave the way for future quantum networks.
Researchers have developed a new ultraviolet-shielding material, Ce-doped yttria transparent ceramic, with high melting points and robust mechanical strength. The material exhibits excellent optical properties and stability in harsh environments, making it highly competitive for applications in aerospace and high-temperature conditions.
A new process by Rice University researchers recovers up to 50% of lithium in spent LIB cathodes in just 30 seconds, overcoming a significant bottleneck in LIB recycling technology. The microwave-based method uses a readily biodegradable solvent and achieves efficiencies similar to conventional heating methods but much faster.
Researchers at Osaka Metropolitan University have developed a new laser-induced forward transfer technique using optical vortex to print magnetic ferrite nanoparticles with high precision. The resulting crystals exhibit helix-like twisted structures that can be controlled by changing the optical vortex's helicity.
Researchers have developed a method to prevent grain coarsening in ceramics by creating complexions with multiple dopants co-segregated at the grain boundaries. The study shows that this approach can significantly reduce grain growth rates, but may also lead to liquid phase sintering if not optimized.
Researchers at Northwestern Polytechnical University developed a new design approach for low-modulus brittle interfaces in multiphase ceramics, improving their strength and toughness. The optimized ceramics exhibit significant enhancements in flexural strength and fracture toughness compared to non-optimized counterparts.
Researchers developed a new electrical contact material, Ag-Ta2AlC, which exhibits high arc erosion resistance. The composite material showed the lowest arc energy and shortest arcing time among various compositions.
Researchers have developed a novel thermal insulation material with exceptional compressive strength and low thermal conductivity, suitable for ultra-high temperature applications. The porous (Ta0.2Nb0.2Ti0.2Zr0.2Hf0.2)C high-entropy ceramic exhibits outstanding mechanical properties and thermal insulation capabilities.
A team of scientists developed a new material, La0.4Sr0.6FeO3-δ (LSF-P), to improve the stability and catalytic activity of Solid Oxide Cells (SOCs). The material, combined with strontium lanthanum ferrate (LSF-RP), enhances oxygen surface exchange kinetics and reduces polarization resistance.
A new study links various soft material behaviors, revealing a critical parameter called the brittility factor that simplifies failure behavior. This finding helps engineers design better materials for future challenges.
Researchers investigate interfacial hydrogen bond structure and dynamics to maximize catalytic activity in photocatalytic hydrogen evolution. Depositing three water layers in a water vapor environment is optimal for photocatalytic hydrogen evolution, according to the study.
The layered multiferroic material nickel iodide (NiI2) has been found to have greater magnetoelectric coupling than any known material of its kind, making it a prime candidate for technology advances. This property could enable the creation of magnetic computer memories that are compact, energy-efficient and can be stored and retrieved...
A team of researchers from Central South University proposes a novel strategy to enhance breakdown strength and electric polarization in dielectric materials. By modulating filler orientation and polymer crystallization, they achieve ultrahigh energy density and improved voltage endurance.
A new synthesis method uses molten salt etching to create 2D MoB nanosheets and Mo2AlB2 compound. The method is efficient and safe, overcoming previous challenges in synthesizing these materials.
Researchers have developed a new method to determine the exchange energy of 2D materials, which reveals the stability of their ferromagnetic properties. The study shows that molybdenum disulfide exhibits highly stable ferromagnetism, only about 10 times smaller than in iron.
Researchers investigate the impact of Fe on the corrosion behavior of Gd2Zr2O7 coatings under Fe-rich environmental sediments. The study reveals that high Fe contents promote degradation and crystallization product precipitation, affecting melt viscosity and infiltration rate.