Articles tagged with Material Properties
A new method for visualizing molecular orbitals has been developed, enabling scientists to analyze molecular dynamics and deformations in molecular films more easily. The technique, called PhaseLift-based photoemission orbital tomography (POT), allows for precise visualization of electronic states with a single set of measurements.
This study investigates the impact of Zeolitic tuffs on the dynamic creep and tensile performance of Superpave asphalt mixtures. The results show that incorporating Zeolitic tuffs improves the mixtures' resistance to rutting and fatigue, with enhanced performance at 25% and 50% filler concentrations.
Researchers develop a new method to grow single-crystal perovskite hydrides, allowing for accurate measurement of intrinsic H- conductivity. The technique enables the production of high-quality crystals with minimal imperfections, paving the way for sustainable energy technologies and hydrogen storage applications.
Researchers from six teams in five labs worldwide used self-driving labs to discover 21 top-performing OSL gain candidates, accelerating the discovery process by months. The decentralized workflow enabled rapid replication of experimental findings and democratized the discovery process.
Researchers at the University of Arizona and Sandia National Laboratories have developed a new class of synthetic materials that enable giant nonlinear interactions between phonons. This breakthrough could lead to smaller, more efficient wireless devices, such as smartphones or other data transmitters.
Researchers have discovered that rice bran-derived nanoparticles exhibit strong anticancer effects, selectively targeting cancer cells while sparing healthy tissue. The nanoparticles reduced tumor growth and inhibited metastatic cell growth in mice models.
Researchers discovered an alloy with exceptional strength and toughness across a wide temperature range, outperforming even cryogenic steels. The alloy's unique properties are attributed to the formation of rare kink bands that enable it to resist bending and fracture.
Researchers noticed a pattern where 60% of materials have primitive unit cells made up of a multiple of four atoms. Despite analyzing various factors, they were unable to find an explanation for the 'Rule of Four', a phenomenon that has been observed in two widely used databases.
Scientists developed a force-controlled release system harnessing natural forces to trigger targeted release of molecules, advancing medical treatment and smart materials. The breakthrough uses rotaxane technology to release multiple functional molecules simultaneously, including medicines and healing agents.
Scientists create high-throughput automation to calculate surface properties of crystalline materials using established laws of physics. This accelerates the search for relevant materials for applications in energy conversion, production, and storage.
This article discusses ultrafast plasmonic materials for all-optical switching and pulsed lasers, highlighting their potential in photonics applications. Researchers have explored various ultrafast plasmonic systems, including metasurfaces made of noble metals and phase-change hybrid materials.
Researchers at UBC Stewart Blusson Quantum Matter Institute will develop a state-of-the-art crystal growth facility with new high-pressure synthesis apparatus. This enables the discovery and characterization of novel quantum materials, crucial for technological development.
Scientists have created a way to correct distorted light patterns in real time without needing to reapply the same distortion. This method uses nonlinear optics and exploits difference frequency generation to produce an aberration-free output beam.
A new material has been developed that can degrade the widely used antibiotic levofloxacin, considered an emerging pollutant in aqueous environments. The material, comprising iridium dioxide and niobium oxide films on a titanium substrate, showed excellent photoelectrocatalytic activity and stability.
Researchers at UBC Okanagan are revisiting old building practices to improve sustainability. They found that wood fly ash can enhance the strength of rammed earth construction, reducing sand exploitation and increasing insulation properties.
A Swiss-Polish team has found the answer to why previous attempts to use magnesium hydride for efficient hydrogen storage failed. The researchers developed a new model that predicts local, thermodynamically stable clusters are formed in magnesium during hydrogen injection, reducing hydrogen ion mobility.
Researchers have discovered that magnetostriction causes a magnetic phase transition in manganese oxide at 118K, leading to the switch of muon sites. The study uses advanced simulations and resolves a long-standing puzzle, shedding new light on antiferromagnetic oxides.
Researchers at Brookhaven National Laboratory have developed a universal method for producing functional 3D metallic and semiconductor nanostructures using DNA. The new method produces robust nanostructures from multiple material classes, opening opportunities for 3D nanoscale manufacturing.
A new model developed by MIT engineers predicts how certain shoe properties will affect a runner's performance, incorporating factors like stiffness and springiness. The model aims to help designers create high-performing shoes with novel properties.
Researchers developed inverse-perovskite-based thermoelectric materials with low lattice thermal conductivity and high power factor, promising eco-friendly alternatives to toxic heavy element-based materials. The materials exhibit high energy conversion efficiency, comparable to toxic elements in the same temperature range.
Researchers investigate grain size and temperature effects on Ti deformation at extremely low temperatures, finding that cryogenic temperatures trigger deformation twinning, boosting strength and ductility. The study proposes a modified Hall-Petch relationship to explain strengthening mechanisms at cryogenic temperatures.
Brazilian researchers developed a 3D zinc oxide photocatalyst that efficiently degrades sertraline, an emerging pollutant contaminating groundwater. The material's high photocatalytic activity and stability make it suitable for wastewater treatment.
A new implant coating made of Silver-Gallium nano-amalgamated particles has shown potent antimicrobial properties against various bacterial strains in animal models. The technology, patented and developed by Flinders University researchers, could be easily applied to medical devices to protect them against infection.
Researchers developed an adhesive gel to seal and heal challenging gastrointestinal tract-to-skin connections, showing promising results in studies. The gel's unique composition ensures it can effectively seal fistulas, preventing further complications and aiding in healing.
Researchers developed a technique to achieve uniform shrinkage of 3D-printed structures, enabling finely detailed structures with advanced light manipulation capabilities. The method has applications in anti-counterfeiting, high-performance devices, and materials with precise structuring.
Researchers at Tokyo Institute of Technology have discovered a new strategy to enhance the conductivity and stability of perovskite-type proton conductors, overcoming the 'Norby gap' issue. Donor doping into materials with disordered intrinsic oxygen vacancies enables high proton conduction at intermediate and low temperatures.
The researchers propose a hybrid organic–inorganic gas sensor design that enhances gas sensing performance while maintaining sensing speed. The proposed design outperforms conventional sensors in terms of chemical sensitivity to NO2, showcasing impressive durability and higher potential for long-term installation.
Scientists have developed a new, efficient ethanol catalyst made from copper nanoparticles, which is cheaper than platinum and could increase the potential of ethanol fuel cells. The catalyst was created through laser melting and shows great promise for improving ethanol oxidation.
The study reveals sizeable variations and instabilities in electron energies for freshly cleaved MoS2 surfaces, but also shows that atomic hydrogen treatment can effectively neutralize these effects. The findings have potential applications in electronics, photonics, sensors, and catalysis.
Researchers at the University of California, San Diego have discovered a way to make ceramics tougher and more resistant to cracking. By using metal atoms with more electrons in their outer shell, they unlocked the potential to enable ceramics to handle higher levels of force and stress.
Research explains why X-ray diffraction images 'darken' at high intensities, offering new perspective for ultra-short laser pulse production. Different atoms respond differently to ultrafast X-ray pulses, potentially improving atomic structure reconstruction and generating even shorter pulses.
A groundbreaking study reveals that linear defects in diamond can spread at speeds exceeding the speed of sound, which could impact our understanding of material strength, failure, and manufacturing. This discovery may lead to new insights into earthquake ruptures, structural failures, and precision manufacturing.
The interdisciplinary team, led by Kaiyuan Yang, will focus on leveraging the spin and charge of electrons in multiferroics to process and store information. The goal is to improve energy efficiency for computing devices, potentially reducing energy consumption by three orders of magnitude.
A study using computational modelling reveals that Neanderthals required advanced cognitive traits to produce birch bark tar, including understanding, information processing, and communication. The findings suggest that prehistoric tar making likely involved complex upscaling techniques and group collaboration.
A new study breaks down the complex structure of snail mucus, revealing three unique types of secretions with different functions. The researchers identified novel proteins, some of which have never been seen before, and found that subtle differences in composition can significantly impact properties.
The Graphene Flagship project has produced significant contributions to Europe's GDP and GVA, with an estimated return on investment of 14.5-fold. By 2030, the project aims to create over 81,000 jobs internationally.
A recent study presents an exciting new way to measure the crackling noise of atoms in crystals, enabling the investigation of novel materials for future electronics. The method allows researchers to study individual nanoscale features and identify their effects on material properties.
Researchers from Osaka University and others have used topological data analysis and machine learning to predict the properties of amorphous materials. The study employed a method combining persistent homology and machine learning to accurately predict the energies of disordered structures composed of carbon atoms at varying densities.
Researchers at Brookhaven Lab's Center for Functional Nanomaterials have created a new layered structure with unique energy and charge transfer properties. The discovery could lead to advancements in technologies such as solar cells and optoelectronic devices.
Scientists have demonstrated techniques to fabricate layered semiconductors with suitable bandgap and band structure, offering a new class of materials in photoelectronic applications. Heterogeneous integration of TMDs and traditional semiconductors enables the exploration of next-generation electronic and optoelectronic devices.
A study published in Nature Communications reveals unusual patterns of small and large particles in a model liquid, which can affect the formation of ideal glass. The findings raise doubts about whether this model liquid can be considered an ideal glass-forming liquid.
Researchers created a nanocomposite of hexagonal and cubic boron nitride, which exhibits unexpected thermal and optical properties. The composite's low thermal conductivity makes it suitable for heat-insulating electronic devices, while its second-harmonic generation property is larger than expected after heating.
Increasing SWCNT diameter improves responsivity, detectivity and response time of heterojunction films. Larger-diameter SWCNTs enhance film performance by increasing built-in electric fields and separating hole carriers from photogenerated excitons.
Researchers at Hebrew University of Jerusalem discovered supershear tensile cracks that surpass classical speed limits and transition to near-supersonic velocities. These findings challenge traditional understanding of fracture mechanics, offering new avenues for studying material properties.
Researchers at North Carolina State University have developed a new robot called RoboMapper that can conduct experiments more efficiently and sustainably to develop new semiconductor materials. The robot automates the process of testing multiple samples simultaneously, reducing time and energy consumption by nearly 10 times.
Researchers from Sandia National Laboratories have discovered that metals can heal themselves by fusing back together microscopic cracks without human intervention. This breakthrough could lead to the development of self-healing machines and structures, reducing wear and tear damage and making them safer and longer-lasting.
Fiber sensing scientists from Shenzhen University have developed an encrypted fiber optic tag that can be used for all-optical labeling and recognition of optical transmission channels. The team proposed a method using fiber Bragg grating arrays prepared by femtosecond laser direct writing to flexibly store different coding sequences.
AnalySwift will develop DATC, a design tool for engineers to analyze lightweight structures made from advanced tailorable composites. The tool aims to improve NASA's capabilities in designing and analyzing aerospace structures, reducing the need for costly physical experiments.
Researchers from Osaka University have demonstrated a method of dehydrating CNFs to a dense powder without affecting their three key properties. The resulting CNF powders retain high viscosity, transparency, and tunable properties.
Researchers at USTC developed a high-performance cellulose-based nanopaper with excellent mechanical and electrical insulating properties under extreme conditions. The material exhibits high tensile strength, toughness, and electric breakdown strength, making it suitable for protecting equipment in harsh environments.
Researchers at MIT have developed a superabsorbent material that can soak up record amounts of moisture from the air, even in dry conditions. The material is made by infusing hydrogel with lithium chloride and has shown to absorb and retain unprecedented amounts of water vapor.
Scientists designed materials with mechanical memory by introducing frustration into their structure, resulting in a new type of order. This breakthrough could be used to create robotic arms and wheels with predictable bending mechanisms, as well as more efficient quantum computers.
Researchers at The University of Tokyo have developed a new atomic layer deposition (ALD) technique for depositing thin layers of oxide semiconductor materials, resulting in high carrier mobility and reliability. This breakthrough enables the production of devices with normally-off operation, high mobility and reliability.
Researchers from the University of Amsterdam have created a new class of materials that combine stiffness with vibration-absorbing properties. These 'buckled' materials have a wide range of potential applications across various scales, from aerospace to microscale designs.
The new Collaborative Research Center will explore opportunities of defect engineering in soft matter, aiming to develop a novel design concept. The researchers will focus on doping, connectivity, and topological defects, with the ultimate goal of combining them into one single system.
Researchers from Osaka University discovered a novel material that transitions from a crystal to a liquid when exposed to ultraviolet irradiation, enabling a detailed understanding of the crystal-melting process. The material exhibits changes in luminescence during melting, indicating molecular-level changes in shape.
Researchers have developed software to remove signal interference from neutron experiments under megabar pressures. This enables the accurate extraction of data on extraordinary atomic structures of materials.
Researchers found that orb weaver spiders' glue proteins differ in proportion between dry and humid environments, enabling rapid adaptation to local conditions. The study sheds light on the evolution of biological glues and their potential applications in industry and medicine.
Osaka University researchers develop a cellulose-based material, called nanopaper e-skin, that makes effective contact with the skin while maintaining breathability and comfort. The substrate can withstand deformation, sterilization, and environmental sustainability, making it a promising candidate for electrophysiological monitoring.
A team led by Associate Professor Jonathan Boreyko has discovered that ice can quench heat more effectively than water, especially at high temperatures. The study found that ice absorbs heat as it melts, reducing the amount of heat available for vapor bubbles to form.