Articles tagged with Material Properties
Researchers found that water seeps between graphene layers at 22% relative humidity, modifying the material's interaction. The study suggests that graphene-based devices may function differently in humid environments, highlighting the need to record relative humidity in future experiments.
Researchers have discovered eccentric quantum physics in emerging semiconducting materials, enabling unique radiance and energy-efficiency. These hybrid semiconductors, called halide organic-inorganic perovskite (HOIPs), are easy to produce and apply, with potential applications in lighting and solar panels.
Researchers have created a new material capable of repelling ice from any surface using elastic energy localization. Testing shows it is mechanically durable, unaffected by ultraviolet rays and requires minimal force to cause cracks that slough off the ice. The coating can last for over 10 years without needing reapplication.
A Texas A&M engineering team uses machine learning and AI to develop an autonomous framework for discovering new materials. The system can adaptively pick the best models to find optimal materials, reducing the time and cost of research.
Researchers at UMass Lowell have created a new class of metamaterial that can change the color of light, enabling on-chip optical communication. This technology could lead to smaller, faster, and more efficient computer chips with wider bandwidth and better data storage.
Researchers propose using multiferroics and topological materials to create logic and memory devices that are 10-100 times more energy-efficient than current microprocessors. This could enable significant advancements in computing power, particularly for applications like self-driving cars and drones.
A lack of production standards in the graphene market has led to inferior products being sold as high-grade. NUS researchers developed a reliable method for testing graphene quality, finding that most samples contained less than 10% real graphene flakes.
Two experiments at TU Wien and Heidelberg University demonstrate that disequilibrium processes in quantum systems belong to universality classes, behaving identically. This allows for indirect study of inaccessible quantum systems like the Big Bang.
Varying nanotwin spacing produces dramatic improvements in metal strength and work hardening rates. Researchers created composites with different nanotwin boundary spacings, resulting in stronger materials than their constituent components.
Experts aim to understand how birds create resilient nests using twigs, leaves, and other materials, with potential applications in building, packaging, self-repairing, and shock-absorption. By studying the collective mechanical interactions of disordered filaments, they hope to develop new technologies inspired by nature.
Professor Harry Hilton combines da Vinci-Euler-Bernoulli theory with Timoshenko theory and viscoelastic materials to create a unified model for flying vehicles. The analysis considers both deterministic and probabilistic approaches, aiming to improve the design of future aircraft.
A novel machine learning framework developed by Virginia Tech researchers accelerates the discovery of new materials through computer simulations. The framework, which trains on the fly, enables faster development of accurate computational models of materials with potential biomedicine and energy applications.
Researchers at Far Eastern Federal University have developed hybrid powder materials that decrease friction ratio in metals sevenfold, increasing durability of spare parts. The new materials offer prospects for efficient anti-friction additives, outperforming existing alternatives like Teflon.
Researchers from Wuhan University developed a new type of upconversion nanocrystal that can display full-color patterns and multiple encoding levels. The material has excellent upconversion fluorescence properties under near-infrared laser excitation, making it suitable for high-security anti-counterfeiting applications.
Researchers used multimodal imaging to study a promising photovoltaic material, finding it is ferroelastic and exhibits chemical segregation due to differential strains. This discovery challenges previous assumptions and provides new insights for designing future materials with improved performance.
Scientists have developed a comprehensive model of electrochemistry that combines existing theories to predict previously unexplained behavior. The Unified Electrochemical Band-Diagram Framework enables the prediction of material properties and behavior in any electrode, including batteries, supercapacitors, and catalysis.
Researchers at Nagoya University developed a process to create high-performance materials with consistent properties. By controlling reactions, they achieved narrow molecular weight distributions and regular cross-linking, leading to responsive and stable gel networks.
Researchers have successfully assembled enzyme-powered artificial cells that can oscillate in water column using catalase-generated gas bubbles. The protocells use glucose oxidase as a fuel source, enabling buoyant motion and self-sorting capabilities.
A new AI model developed by researchers at the University of Waterloo can accurately detect atomic structures in metals, leading to greater confidence in determining their integrity. The system uses deep learning and generates images of defects to produce a highly effective algorithm for identifying various types of crystal structures.
Researchers developed a new modeling technique to simulate metallic glass behavior under stress, predicting the amount of energy released when fractured. This breakthrough improves computer-aided materials design, helping researchers determine the properties of metallic glasses.
Graphene's lifetime limitation has been overcome by connecting it to other atomic layers. The tri-layer material increases the lifetime of excited electrons in graphene by several hundred times, enabling high efficiency in solar cells. This breakthrough could lead to the development of ultrathin and flexible solar cells.
Researchers at Nagoya University created a composite material that adjusts its appearance based on different types of light and backgrounds, mimicking the color-changing abilities of animals like chameleons. The material features dyes, crystals, and pigments that interact to produce vibrant displays.
Researchers found that infants aged 4- to 8-months hold a primary cerebral representation of audiovisual integration in their right hemisphere, with the number of processed materials increasing with experience. This study sheds light on the trajectory of acquiring general knowledge about objects.
Researchers at the University of Wisconsin-Madison have developed a new stealth material that can hide hot objects from infrared detectors. The material, made with black silicon, absorbs approximately 94% of infrared light and can be used to trick infrared cameras.
Researchers have discovered a new class of materials that can harness sunlight to split water into hydrogen and oxygen. Cs2BiAgCl6 and Cs2BiAgBr6 are promising photocatalytic materials due to their ability to absorb visible light and generate sufficient energy to split water.
Researchers have developed a pill that can temporarily coat the intestine to prevent nutrient contact and lower blood sugar spikes in preclinical study. The engineered compound, LuCI, was found to alter nutrient contact and lower blood glucose response after a meal, with benefits lasting only a few hours.
A new method of microscale 3D printing allows switching between materials of different modulus without cross contamination, enabling programmable morphing and morphing capability in various applications such as aircraft wing structures and microrobotics. The technology can create materials with tailored stiffness and toughness.
Researchers have discovered that an increase in certain substances in oral fluid can indicate caries development. They found a way to prevent the disease by analyzing changes in saliva composition, enabling early detection and treatment.
Researchers at the University of Delaware developed a novel process to convert lignin, a common wood byproduct, into high-performance adhesive tape. The new process performs just as well as commercially available products and uses a sustainable material.
Researchers at Washington State University have developed a one-step 3D printing process for multimaterial projects, allowing for faster production and reduced manufacturing steps. The technology enables the creation of complex products with multiple parts in one operation, reducing the need for adhesives and joint connections.
Vanderbilt University researchers have discovered a way to produce cheap and small carbon nanotubes from air, which are supermaterials stronger than steel and more conductive than copper. This breakthrough could steer the conversation towards using these materials in future technology, rather than just focusing on reducing emissions.
Researchers have developed a synthetic SensoGlow™ material that can detect the quantity and quality of UV radiation from the Sun. The material is durable and can be used multiple times due to electron storage, making it a promising tool for everyday UV radiation monitoring.
Rochester Institute of Technology faculty Jing Zhang has received a CAREER award from the National Science Foundation to develop high-efficiency ultraviolet light sources. Her research could advance applications in photolithography, 3D printing, environmental purification systems and chemical sensing.
Researchers explore creating self-assembling microscopic particles to manufacture materials in space with tailored nanostructures. The ability to create self-assembling and potentially self-repairing materials could be key to surviving deep space destinations.
Researchers from Lobachevsky University and Nanyang Technological University have developed a new method for obtaining bismuth-containing apatite, a material with antimicrobial properties. The team used solid-phase synthesis and thermodynamic modeling to study the compound's crystal structure and behavior under operating conditions.
Acoustic cloaking technology has been developed by researchers at Penn State University, which uses metamaterials to bend sound waves around an object, making it appear invisible to underwater instruments. The team successfully tested their design using a 3-foot-tall pyramid structure in an underwater research tank.
Researchers at UConn improved the performance of an atomically thin semiconductor material by stretching it, a technique that could lead to faster computer processors and more efficient sensors. The study, published in Nano Letters, found a 100-fold increase in photoluminescence when the material was subjected to strain.
Researchers used scanning transmission electron microscopy to reveal a filamentous pattern of long, curved crystals in bone. A previously unknown substructure was discovered: rose-shaped crystals arranged into left-handed helices.
Researchers recommend developing best practices for revenue sharing, increasing funding for public programs, and establishing professional standards for sharing plant breeding materials. This can support the development of low-return, high-value crops that benefit both farmers and society as a whole.
Researchers have discovered a new material that can absorb and selectively reemit light, providing a platform to understand how information is stored and processed in valleytronics devices. This breakthrough could enable the development of operational valleytronic devices with increased computing power and data storage density.
Researchers have created a database to screen for environmentally sustainable nanomaterials, allowing designers to weigh performance characteristics like toxicity and antimicrobial activity before developing products. The tool aims to reduce unintended consequences and promote sustainable nanotechnologies.
A U.S. Army Research Laboratory researcher has developed a mathematical approach to design chemical compounds, reducing complexity and leveraging machine learning. This method could lead to the discovery of new materials with unique properties.
Researchers have developed a family of synthetic polymers that can be repeatedly recycled with great efficiency. These new polymers overcome the challenges faced by existing biodegradable plastics and mechanical approaches to reusing plastic, offering a highly desirable chemical recycling method.
A team of scientists has developed a machine learning algorithm that can quickly identify new blends of ingredients for metallic glass, accelerating the discovery process by 200 times. The method uses data from thousands of experiments to pinpoint potential materials and has significant implications for the future of materials science.
A team of scientists has developed a method to discover new metallic glass alternatives using machine learning and accelerated experiments, reducing the discovery time from decades to hours. The approach enables researchers to quickly narrow down potential materials and get immediate feedback from AI models.
KAUST researchers create triboelectric nanogenerators that capture mechanical energy from human movements and convert it into electricity. They also engineer a wearable self-powered bracelet that can store converted energy for operating electronic devices.
INRS is awarded over $1.57 million to support four promising research projects focused on ecotoxicogenomics, high-speed bio-imaging, synaptic dysfunction in motor neuron diseases, and quantum materials
Researchers have developed a polymer-based material that stiffens and changes color, mimicking the dynamic properties of skin. The material combines rigid-while-flexible and soft-while-stiff properties, shifting towards blue or red colors when elongated or condensed.
Brown University engineers developed a new method of measuring the stickiness of micro-scale surfaces, which could aid in designing and building micro-electro-mechanical systems (MEMS). The technique uses thermal vibrations to calculate work of adhesion, allowing for the evaluation of material properties and surface textures.
A team of researchers developed a soft robot that uses kirigami to achieve locomotion, gripping the ground like snakeskin. The robot's surface transforms into a textured surface as it stretches, allowing it to crawl without rigid components.
Researchers will explore new mathematical and computational foundations to transform traditional design processes, leveraging massive compute power. TACC provides a comprehensive platform for developing computational methods, creating data visualizations, and analyzing large experimental data sets.
Researchers found that adding volcanic ash to traditional cement reduces the overall energy needed to manufacture concrete, with a 16% decrease in energy required. The optimal particle size of volcanic ash affects the strength and energy efficiency of the concrete.
Researchers developed a low-temperature reaction to replace sulfur with tellurium in MoS2, creating new properties in the 2D material. The 'sodium-scooter' catalyst enables conversion at 525°C, lower than previous temperatures.
The proposed integrated Materials Acceleration Platforms (MAPs) could cut the average time for developing a useful new material from 20 years down to one or two years. The report recommends six key areas to create these platforms, including self-driving laboratories, AI for materials discovery, and modular materials robotics.
Researchers at MIT have developed a process to produce ultrafine fibers with exceptional strength and toughness, exceeding existing materials in specific modulus and specific strength. The new gel-electrospun polyethylene fibers have similar degrees of strength but are much tougher and have lower density.
Researchers at Technical University of Munich use biofilms to guide microorganisms in creating tailor-made templates for new materials. This process utilizes light, heat, and other stimuli to control the movement of microbes, enabling the creation of complex networks with natural structures.
A new study found that 80% of materials chemistry papers may have incorrect results, with 1 in 5 being completely wrong. Researchers encourage more replication efforts to increase confidence in data.
New Caledonian crows manufacture hooks from plant stems, with techniques influenced by material properties and cutting methods. Deeper hooks are more efficient, but experienced birds may avoid making them due to increased time and effort required.
Researchers developed an automatized strategy to separate circular molecules from their linear counterparts using microfluidic channels decorated with attractive spots. This separation technology is crucial for analyzing topology in biological systems and developing new materials.
Researchers at Northwestern University developed a novel framework to benchmark and compare the performances of organic mixed conductors. By using electrochemical transistors, they evaluated the strengths and weaknesses of 10 newly developed materials, identifying top-performing conductors for specific applications.