Articles tagged with Materials Testing
Northwestern University researchers developed new design principles for spin-based quantum materials that can enhance the efficiency of ultrafast, low-power electronics. The study identified key criteria for creating non-volatile, energy-efficient materials with long-lived persistent spin textures.
Researchers at the University of Melbourne have created a new microscopy technique that allows direct observation of the magnetic properties of ultrathin 2D materials, such as graphene. The findings reveal that these materials are weakly magnetic and can be easily demagnetized.
Scientists at Norwegian University of Science and Technology have found a way to control the conductivity of materials without affecting other properties. This breakthrough enables the creation of multifunctional devices using the same material.
Researchers at Skoltech predicted high-entropy alloys with improved mechanical properties, such as hardness and fracture resistance, in the W-Mo-B system. The study aims to develop new hard materials that can withstand higher temperatures or pressures.
The modular mask combines barrier filtration with stretchable fabric, holding it in place without frequent adjustments. Prototypes have withstood 20 washings without shrinking or losing shape, addressing the fundamental flaw in existing reusable cloth masks.
A team of researchers, led by the University of Texas at Austin, has cracked the code of a scientific anomaly that enables ultra-fast battery energy storage systems. They found metal compounds with up to three times the energy storage capability compared to common materials.
Scientists at HKU and Stanford University develop a new data storage method that uses quantum geometry to store information. This technology reduces energy consumption by over 100 times compared to traditional methods, making it ideal for emerging in-memory computing and neural network computing.
Researchers developed a layered glass material allowing for acoustic propagation without air ventilation. The decorated window comprises ordinary glass, resulting in an inexpensive and optically transparent material.
Researchers from University of Cambridge and Liverpool have identified a new degradation mechanism for electric vehicle batteries, leading to the development of strategies to improve battery lifespans.
Scientists at Mainz University prove that information can be stored electrically in antiferromagnetic materials. By using currents instead of magnetic fields, they improve the efficiency of writing operations, paving the way for applications such as smart cards and ultrafast computers.
Researchers successfully bound two negatively charged electron-like particles using photons, creating a novel form of matter called a Photon Bound Exciton. This discovery enables the creation of novel artificial atoms with designer electronic configurations.
Researchers at ETH Zurich and EPF Lausanne have identified 13 possible 2D materials that can be used to build ultra-scaled field-effect transistors, potentially surpassing conventional silicon-based technology.
Researchers at KIST and KAIST developed a technology to fabricate liquid crystals with multiple layers, which can exhibit diverse optical characteristics. This new material may potentially replace color shifting ink in preventing forgery of bank notes and ID cards.
Researchers at Linköping University have developed new materials by combining nanocellulose with metal nanoparticles, resulting in antibacterial properties, color-changing abilities, and the ability to generate heat. The materials can be used for various applications, including sensors and energy-based uses.
A new study tests the effectiveness of different types of masks in preventing the spread of droplets that contain SARS-CoV-2 virus particles. The findings suggest that professional-grade N95 masks, surgical or polypropylene masks, and handmade cotton masks may block much of the spray produced when wearers speak.
Researchers develop a new class of materials that can seamlessly transfer a compound's bright fluorescence to a solid state, overcoming a long-standing barrier. The breakthrough has potential applications in solar energy harvesting, bioimaging, and lasers.
Research reveals that a marketing claim of reducing negative product properties can be interpreted in two ways, leading to improved or negative evaluations. Consumers with an incremental mindset view these claims positively, while those with an entity mindset perceive them negatively.
Researchers created a personal cooling fabric that efficiently transfers heat away from the body while allowing sweat to evaporate. The new material, made from nanofibrous membranes coated with boron nitride nanosheets, has high thermal conductivity and potential uses in solar energy collection and electronic device management.
Researchers at Penn State have discovered a way to enhance superconductivity in materials by layering molybdenum sulfide with molybdenum carbide, increasing conductivity by 50% to 6 Kelvin. This breakthrough could lead to more efficient energy transmission and storage.
Researchers at Drexel University have discovered a new MXene material that can absorb electromagnetic interference rather than just deflecting it. The material, titanium carbonitride, is up to 3-5 times more effective at blocking EMI than copper foil, offering a sustainable solution for containing electromagnetic pollution.
Researchers demonstrate that nanoscale infrared imaging can identify materials up to 100 nm below the surface. The technique distinguishes surface layers from subsurface layers, enabling direct identification without modeling.
Scientists at Oldenburg University have developed a new technique to observe chemical processes during battery operation. The team used scanning electrochemical microscopy (SECM) to track changes on the lithium anode's surface, revealing how dendrites form and limit durability.
The new method enables a wider range of materials with better control over their thermal and mechanical properties. Researchers used a mixture of two monomers to create materials tailored for various applications, including tires.
Researchers at ANU have developed a novel organic semiconductor material that can be bent into any shape, promising faster and more flexible electronic devices. The material is made of just carbon and hydrogen, making it biodegradable and recyclable, which could reduce e-waste.
Researchers have created a new material that mimics the strength and toughness of mother of pearl, with layers of aragonite stacked in an intricate herringbone pattern. The material is almost twice as strong and four times as tough as previous nacre mimics, making it suitable for sustainable medical uses.
Researchers at JILA have developed an ultraviolet laser technique to probe materials down to 5 nanometers thick, revealing surprising discoveries about material behavior. The study found that very thin materials can be up to 10 times softer than expected, and certain dopings can disrupt atomic bonds, affecting strength.
A team of researchers at POSTECH has developed a new type of semiconductor memory that uses a two-dimensional layered structure material, which can operate stably at low power consumption. The material, CsPb2Br5, showed improved stability and performance compared to traditional materials, with memory characteristics maintained over 140°C.
The UC San Diego lab funded by the grant will focus on developing new materials with improved properties for medical diagnostic tests, therapeutics, and decontamination. The center will also provide opportunities for graduate and undergraduate students to work together and chart new avenues for innovation in materials science.
A team of researchers from Harvard SEAS developed materials that can control and mold a balloon into pre-programmed shapes using kirigami sheets. The system enables expansion in some places and constricting it in others, allowing for the creation of complex shapes.
Researchers have developed a rapid stress test to assess coral thermotolerance, allowing for the identification of resilient corals that can survive ocean warming. The 'Coral Bleaching Automated Stress System' (CBASS) enables on-site testing within 18 hours, compared to months in a laboratory.
Researchers at Kiel University have observed rapid electronic changes in tungsten ditelluride using laser pulses, which could enable ultra-fast optoelectronic switches. The team used time-resolved photoelectron spectroscopy to visualize the changes in the material's electronic structure, revealing new insights into its unusual properties.
Spin-gapless semiconductors (SGSs) bridge zero-gap materials and half-metals, exhibiting fully spin-polarized electrons and holes. Dirac type SGSs show extremely high electron mobility, enabling dissipationless edge states for ultra-fast electronics.
Researchers reviewed the manufacturing methods and applications of hybrid materials made from cellulose nanocrystals. These materials exhibit excellent mechanical, thermal, and physico-chemical properties, making them suitable for various applications, including sensors, catalytic converters, and medical devices.
Researchers analyzed the Venus flytrap's biomechanical properties using digital 3D image correlation methods and finite element simulations. They found that the trap snaps shut when under prestress, and only traps with three tissue layers can close correctly.
A novel pretreatment strategy has been developed to resolve the issue of silicon anode materials in lithium-ion batteries. The technology enables simple and safe processing for large-scale production, resulting in high initial battery efficiency and increased energy density.
A team of Brown University researchers has developed a new ceramic material that doubles the toughness of traditional solid-state lithium ion batteries. The material combines graphene and ceramic to improve mechanical properties while maintaining electrical functionality.
New research by Brown physicists reveals that impurities can disrupt the order of a system and cause melting to begin before predicted by theory. The findings provide insight into the solid-liquid transition, which remains poorly understood despite being familiar phenomenon.
The study successfully minimizes thermal conductivity by designing and fabricating an optimal nanostructure-multilayer material through materials informatics. The researchers created a superlattice structure that maximizes wave interference of lattice vibrations to regulate thermal conductivity at near room temperature.
Researchers at UNSW Sydney synthesized ultra-thin carbon-based materials using liquid metals and organic fuels at room temperature, a first for this method. The ultra-smooth surface of the liquid metals templates atomically-thin carbon-based sheets, which can be used in various applications including battery storage and solar cells.
Scientists at the University of Illinois have detected fractional electronic charges in topological insulators, a breakthrough that could lead to more efficient and robust devices. The discovery was made using specially designed microwave resonators, which allowed the researchers to measure the signature of these fractional charges.
The German Research Foundation has approved a new Collaborative Research Center (CRC/Transregio 288) 'Elastic Tuning and Response of Electronic Quantum Phases of Matter' at Mainz University. Researchers will investigate quantum materials with properties that can be controlled by mechanical deformation.
Scientists at the University of Warwick created a method called MeniFluidics to control cellular patterns, enabling the creation of arbitrary patterns and opening doors for tissue engineering and bio-art. This breakthrough could lead to innovations in antibiotic resistance and biofouling prevention.
A new discovery enables researchers to directly visualize unlabeled nanoscale objects with deep sub-wavelength separations, advancing the field of optical microscopy. This breakthrough has significant implications for applications in semiconductor wafer inspection, nanoparticle sensing, material characterization, and biosensing.
Researchers from the University of Houston have reported a structural supercapacitor electrode made from reduced graphene oxide and aramid nanofiber that is stronger and more versatile than conventional carbon-based electrodes. The new material offers promise for longer battery life and higher energy at a lighter weight.
The DFG is funding three Collaborative Research Centres at TU Dresden to develop new classes of synthetic two-dimensional materials and novel design strategies for carbon concrete structures. The research focuses on controlling material properties, manufacturability, and sustainability.
Researchers propose new way to test structural stability of predicted 2D materials, correcting earlier mistakes. The new approach considers finite-size portions of materials for added stability criteria.
Researchers visualized solid electrolyte interphase formation on battery-grade materials using in situ atomic force microscopy. They found SEI was thicker and stronger than on HOPG, providing new insights into battery interface structure and evolution.
Researchers developed smart e-glasses that wirelessly monitor brain waves, body movements and UV intensity while acting as sunglasses. The device allows users to control a video game with eye motions and can potentially aid in digital healthcare or virtual reality applications.
A team of scientists has created a technique using nanoneedles to modify the properties of iron-rhodium alloy, allowing for the creation of antiferromagnetic nano-islands embedded in ferromagnetic matrices. This breakthrough enables the miniaturization of magnetic devices and facilitates the manufacture of more robust and secure memories.
University of Delaware researchers have developed a technique to visualize the three-dimensional structure of materials in detail while maintaining context. This approach enables scientists to study specific particles on the material's surface and observe how they evolve over time under different conditions.
Researchers from NUS created a library of atomically thin 2D materials by intercalating metal atoms between transition metal dichalcogenide monolayers. The new materials have ferromagnetic properties and can be used to explore a wide range of physical properties.
A team of Canadian and Italian researchers have synthesized large-scale two-dimensional conjugated polymers, demonstrating their electronic properties. The results provide new insights into mechanisms of surface reactions at a fundamental level, yielding a novel material with outstanding properties.
A new study by Children's Hospital of Philadelphia researchers found that a primary care-based intervention promoting parent-teen communication led to less distress among teens and more positive emotions. The intervention, which included an eight-page booklet with discussion prompts, showed promise in improving adolescent health outcomes.
Scientists have discovered the mysterious material tantalum disulfide, which exhibits unintuitive behavior, switching from conductor to insulator. The study reveals that 'Mottness' is a key player in explaining this phenomenon, challenging traditional theories.
A Charité - Universitätsmedizin Berlin study reveals that the northern Italian city of Nembro recorded more deaths in March 2020 than in previous years, but only half were classified as COVID-19 deaths. The study highlights the importance of all-cause mortality in quantifying the pandemic's full impact.
Columbia engineers apply machine learning techniques to create a method that combines big data and machine learning to selectively design gas-filtering polymer membranes. The study successfully identifies promising materials that surpass current membrane performance limits, paving the way for commercial use.
A new algorithm, Mendelevian Search, predicts optimal materials by searching through all possible combinations of chemical elements and crystal structures. The method has successfully predicted diamond and several dozen hard and superhard phases, including some new ones.
The study created flexible single crystal electronic systems by using organic semiconductors that can be stretched over 10%, exceeding the elastic limit of most single crystals. This breakthrough could enable new applications in sensors and robotics.
Researchers studied Hayabusa2's readings from the Ryugu asteroid, finding evidence of solar heating that changed its chemical properties. This discovery sheds light on the early history of the solar system and the formation of asteroids.
An international team has discovered an effective method for controlling the frequency of confined light at the nanoscale in phonon polaritons. By intercalating alkaline and alkaline earth atoms in van der Waals materials, researchers can extend the range of working frequencies, enabling broader technological applications.