Articles tagged with Materials Testing
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.
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.
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.
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.
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.
Researchers at the University of Jyvaskyla and Xiamen University have discovered a novel method for creating functional macroscopic crystalline materials. The material exhibits highly anisotropic electrical conductivity, with significant differences in behavior along its polymer direction versus perpendicular directions. Theoretical mo...
Researchers found that heating N95 masks preserves their filtration efficiency for 50 cycles of disinfection. Heating at 185 F for 20 minutes was the most effective method, while ultraviolet radiation allowed up to 20 cycles of disinfection but could be problematic.
A McMaster University study found that half of online vaccination information on chiropractors' websites was removed after media coverage. The removal was associated with a large increase in Canadian media attention on anti-vaccination statements by some chiropractors.
Researchers at Iowa State University have developed a new type of solar cell that can withstand high temperatures while maintaining efficiency. The breakthrough uses a hybrid organic-inorganic perovskite material that is stable at temperatures above 200°F and has a photoconversion efficiency of 11.8%.
A yellowish solid compound has been found to emit an intense green glow when excited by an electric current, making it a hot candidate for producing OLEDs. The substance's chemical structure allows for high light yields due to its stiff molecule and minimal changes in structure upon excitation.
Researchers at North Carolina State University created ultrathin, stretchable electronic material that is gas permeable, allowing sweat and volatile organic compounds to evaporate away from the skin. This breakthrough enables more comfortable long-term wear for biomedical or wearable technologies.
Researchers at the University of Minnesota have found a way to recycle used polyurethanes into equivalent or even higher quality material, solving the issue of conventional waste lingering in landfills.
Researchers use ultra-thin STM needle to map molecular bonds on surface of materials, enabling precise identification of impurities and halogen bonding. This technique could lead to the production of new pharmaceuticals that are purer than ever.
Researchers have developed an MRI scanning technique that enables the detection of sodium metal ions in batteries, providing unprecedented insights into their behavior during operation. This allows for the identification of failure mechanisms and the development of longer life and higher performing batteries.
Researchers at Rensselaer Polytechnic Institute have developed a new lead-free chalcogenide perovskite that could provide a safer and more effective option for solar cells. The compound, barium zirconium sulfide (BaZrS3), is highly resistant to moisture and sunlight, making it an attractive alternative to traditional materials.
Researchers from IKBFU and the University of Oviedo tested a new Preisach model for analyzing magnetic interactions in ferromagnetic microwires. The study found that real-life conditions can affect the applicability of the method, highlighting its limitations.
Researchers created an artificial nonstick surface inspired by spider combs, reducing adhesive forces and handling synthetic nanomaterials. The nanostructure, patterned onto a foil surface, performed almost as well as the natural version in tests against spider silk.
Researchers at Johns Hopkins University have created a self-adapting material that can change its stiffness in response to applied force, mimicking how human bone adjusts to its environment. This advancement holds promise for developing materials that can self-reinforce damaged areas and accelerate treatment of bone-related diseases.
A Korean research team has developed an ultrathin MXene film with exceptional absolute electromagnetic shielding performance, outperforming any other material reported to date. The film's thickness can be customized to provide 99% electromagnetic shielding efficiency.
Researchers at UAB create novel boron-rich boron-carbide material with 37% the hardness of cubic diamond, showing promise for applications under extreme conditions. The new material has a chemical formula B50C2, chemically stable and acting as an insulator.
Researchers have created a material that supports the growth of exoelectrogenic bacteria while efficiently conducting electricity in a controlled manner. By incorporating DNA strands into a nanocomposite scaffold, they can tailor the conductivity and properties of the material by varying the size and sequence of the DNA fragments.
The technique successfully removes even the tiniest contaminants down to the atomic scale, achieving an unprecedented level of cleanliness. The research also explored the origins and mechanisms of recontamination at the nanoscale, revealing surface diffusion and airborne contamination.
Researchers unveil a new slip law to describe glaciers sliding on soft, deformable material, improving models of fast-flowing, marine-terminating glaciers in Antarctica and Greenland. This development enhances the understanding of glacier movement and parameterization for better sea-level rise estimations.
Researchers at Ruhr-University Bochum used artificial intelligence to predict the structure of thin films, reducing the need for extensive experiments. The team developed a generative model that can generate images of the surface of a layer under specific process parameters, enabling the identification of optimal material formulas.
Researchers at University of Limerick's Bernal Institute have helped discover a molecule that can switch between three distinct states, paving the way for low-energy data storage and processing. This breakthrough could have a major impact on the Internet of Things (IoT) and Artificial Intelligence (AI) applications.
Researchers at NIMS developed a solid material that slowly releases hydrogen sulfide (H2S) and nitric oxide (NO), which can induce physiologically favorable effects. This material will facilitate the medical use of these gases, overcoming storage and concentration difficulties.
Researchers at North Carolina State University have demonstrated that composite metal foams can withstand extreme temperatures, passing the simulated pool fire test with flying colors. The material's performance was predicted using a model developed by the team, which showed accurate results within 10 degrees Celsius.
Researchers at Swansea University have discovered that semiconductor materials can behave like metals and even superconductors when their surface crystals are structured in a specific way. This breakthrough could lead to advances in energy-efficient electronic devices with lossless energy transport.
Researchers have created a new rubber-like material with optimal properties that could act as a replacement for human tissue in medical procedures. The material has the potential to make a big difference to many people's lives by reducing the need for drastic surgery and operations.
Researchers at SUTD develop bioplastic production process using urban waste and bio-inspired engineering, enabling global adoption of sustainable manufacturing. The process reduces energy requirements and transportation costs, using abundant biological polymers like chitin and cellulose.
Researchers have developed a novel technology to maximize the performance of colloidal quantum dot (CQD) solar cells. The new hybrid tandem photovoltaic devices feature CQDs and organic bulk heterojunction photoactive materials, improving photon harvesting and achieving high power conversion efficiency.
Researchers at Drexel University have developed a lab-scale reactor system that can produce large quantities of MXene in bulk, preserving its unique properties. The system uses a computerized process to refine the material and ensures consistency, a critical step towards achieving manufacturing standards.
A recent study published in the Journal of Experimental Social Psychology found that consumers derive more happiness from experiential purchases than material ones. The researchers recruited over 2,600 adults and monitored their emotions and purchasing behavior, discovering that happiness was higher for those who spent on experiences a...
Researchers have developed a new material that can be woven into fabric to detect slight changes in body temperature, serving as an early warning system for injury or illness. The material, capable of maintaining a pliable disordered structure, can alert someone monitoring the change to potential need for intervention.
Researchers at INRS and McGill University developed a method to draw molecular patterns on the surface of quantum materials using macrocycles, changing their optical, magnetic, and electrical properties. This technique has potential applications for electronic devices and biosensing.
Researchers developed open-source software to assist in creating quantum materials, which could vastly increase computing power and reduce energy consumption. The Quantum KITE initiative uses sophisticated computer programmes to predict material properties, enabling the creation of realistic simulations with unprecedented atom numbers.
Researchers synthesized a unique organic-inorganic hybrid crystal with controllable ferroelectricity and chirality, enabling new electrical, magnetic, or optical properties. This discovery could lead to advancements in communication and computing technologies.
Physicists have induced and measured nonsymmetrical states in a layered material using circularly polarized mid-infrared light. This phenomenon, known as chirality, can be controlled and enhanced by shining the light beam at specific conditions, demonstrating a new tool for manipulating electronic behavior in materials.
Scientists have developed a new method to test microscopic aeronautical materials at ultra-high temperatures, using electron microscopy and laser heating. This breakthrough reduces the time and expense required for such tests, paving the way for the development of new materials for commercial applications.
Scientists have successfully demonstrated the ability to control the spin of atom-like impurities in a 2D material, opening up new possibilities for quantum sensing and applications. The discovery has enormous potential for use in nanoscale medical diagnostics, GPS-free navigation, and other fields.
Denmark-based researchers have made glasslike Plexiglas stronger, lighter and more flexible by adding specially designed cuts. This technique can improve microchips' durability without increasing material usage.
Biomedical engineers at Duke University found that historical helmets can provide similar protection from blast-induced brain trauma as modern ones. The French Adrian helmet demonstrated superior performance in protecting the brain from overhead blasts, with its crest feature potentially playing a key role.
Researchers at Princeton University have found a van der Waals material, gadolinium tritelluride (GdTe3), with the highest electronic mobility among known layered magnetic materials. The compound's unique properties make it a promising candidate for new areas like magnetic twistronic devices and spintronics.
Researchers at Northwestern University have developed a new method to visualize the dynamic motion of atoms in atomically thin 2D materials. The technique reveals that sulfur atoms in MoS2 move continuously to vacant areas, causing grain boundaries to separate and leading to material failure.
Scientists at Michigan Technological University created nanowires made of tellurium and boron nitride nanotubes, which hold promise for wearable tech. The new material exhibits strong electrical properties and can be controlled by light and pressure.
Researchers at the University of Wisconsin-Madison and MIT developed a new platform to create stacked-crystal materials with hybrid properties and multiple functions. This allows for infinite combinations of materials, opening doors to new technologies in data storage, sensing, energy, biomedical devices and more.
Researchers have developed a new methodology to measure cocoa flavanols and procyanidins, which is more accurate and reliable than previous approaches. This new method will support further research into the health effects of these compounds and provide industry with tools for reliable raw material and product testing.
The study analyzed the changes in crystal structure of a red phosphor material due to heat treatment and addition of P2O5 and Eu2O3, revealing its relationship with photoluminescence intensity. The researchers discovered an incommensurate (IC) phase with a complex modulation structure that decreases photoluminescence intensity.
Researchers from SUTD and NTU create a new method for reversible 4D printing using just two materials. The process uses heat to change the shape of the material, which can then revert back to its original shape without human intervention.
The Graphene Flagship has published a comprehensive guide to graphene manufacturing and processing, providing a single source of knowledge for researchers and industry. The handbook encompasses over 1,500 references and covers techniques for production and characterisation of graphene-related materials.
A new production technique for CdTe material uses a high-pressure furnace and produces high-purity crystals in a rapid timeframe, outperforming current methods. The technique also eliminates concerns about explosions and allows for easier doping of the material.
Researchers have developed an ultra-thin and ultra-flexible electronic material that could be printed and rolled out like newspaper. The new conductive sheet is 100 times thinner than existing touchscreen materials and so pliable it can be rolled up like a tube.
Researchers at FLEET have made a significant step in solving the primary challenge of information stability in domain-wall nanoelectronic data storage. By introducing designer defects, they were able to clamp down domain walls, effectively preventing ferroelectric domain relaxation and promoting superior polarisation retention.
Researchers at Tokyo University of Science have developed potassium-ion batteries with comparable performance to lithium-ion batteries, using abundant and non-toxic materials. The development of potassium-ion batteries could pave the way for more sustainable energy resources.