Articles tagged with Materials Testing
A research team at Georgia Institute of Technology has realized a nonlinear material with opposite refractive indices at the fundamental and harmonic frequencies of light, as predicted theoretically. This discovery has significant implications for controlling light in information processing, sensing, and signal generation.
Researchers at the University of Bristol have designed a smart materials system inspired by biological chromatophores, mimicking squid skin's camouflage abilities. The artificial skin, made from electroactive dielectric elastomer, can effectively copy biological patterns and even mimic complex dynamic patterning seen in real cephalopods.
The research develops a system to produce soft materials with dynamically controllable and reversible surface properties. By manipulating the spacing and shapes of embedded particles, the material's surface can change from smooth to ridged or bumpy, creating complex patterns that could guide fluids.
A new study from Washington University in St. Louis found that providing illustrative diagrams before lectures enhances student learning and recall, particularly for students who struggle with organizing information. The research suggests that teachers should consider individual differences in learning skills when presenting material.
A branching tree-like structure can increase the melting rate of materials for better energy storage. The study's findings could help improve phase change systems, essential for renewable energy sources like wind and sun.
Researchers at the University of Houston are working on discovering novel materials to improve superconducting properties, thermoelectric efficiency and microelectronic performance. They aim to develop new materials that can transform electricity generation, transmission and storage, as well as reduce greenhouse gases.
A study found that over 90% of educational materials for kidney disease patients have literacy levels above an average patient's grade level, making it hard for them to comprehend. This can lead to poor management and higher mortality rates among those with low health literacy.
Researchers at Ohio State University have confirmed and interpreted experimental findings using OSC services, showing that phonons have magnetic properties. A magnetic field reduced the amount of heat flowing through a semiconductor by 12 percent in simulations performed on the Oakley Cluster.
Researchers at SISSA propose a new family of materials whose topological state can be directly observed, simplifying the development of spintronics and quantum computing. The discovery uses mathematical models and simulations to identify materials with 'spectacular' features that are easily detected.
The team aims to create scalable nano-manufacturing processes for functional metamaterials, revolutionizing computing, communication, sensing, and imaging. By manipulating light in ways not possible in natural materials, they seek to overcome current roadblocks towards integrated photonics.
Washington State University researchers have developed a new method to create polyurethane using plant oils, offering a more environmentally friendly alternative to traditional polyurethane. The new method allows for the creation of materials with varying flexibility and stiffness, making it suitable for a range of applications., Resea...
Researchers found that changes to histone proteins can be sustained from one generation to the next and influence trait inheritance. This discovery paves the way for studying epigenetic mechanisms and their link to health conditions and specific traits.
Researchers at Aalto University and German University of Marburg have discovered a new type of charge transport phenomenon that enables logical operations in microelectronics. The phenomenon involves the transfer of information between an electron hole pair without tunneling, opening up new possibilities for electronics and biology.
A Yale study assesses the criticality of all 62 metals, identifying those at risk due to supply shortages and environmental concerns. The researchers found that some metals used in emerging technologies like smartphones and medical imaging may become difficult to obtain.
The UChicago Materials Research Center has received a six-year, $20.6 million grant from the NSF to investigate materials formed far from equilibrium and explore new paradigms for material fabrication and response. The center will support three IRGs addressing fundamental issues in soft materials, active materials, and quantum materials.
Researchers at UT Dallas created new materials that can stretch up to seven times their length while remaining tougher than Kevlar, absorbing up to 98 joules per gram. These nanofibers exploit electromechanical properties to form strong attractions between molecules.
Researchers at Brown University have developed a method to create pure, p-type semiconductors from silicon telluride, which could be used in various electronic and optical devices. The materials can take up lithium and magnesium, making them suitable for battery electrodes.
Professor Federico Rosei has received the AVS Excellence in Leadership Award, a first for a scientist working in Canada. He is recognized for his extensive training and mentoring initiatives, which have benefited over 100 young researchers from 30 countries.
Researchers at Drexel University have created a two-dimensional carbon/sulfur nanolaminate that could be a viable candidate for use as a lithium-sulfur cathode, promising improved long-term stability and energy density.
Scientists have developed a new storage principle and material that enables the reversible storage of 1.8 Li per formula unit, increasing lithium storage density by up to 420 mAh/g. The new system allows for high packing densities and stable operation, making it suitable for energy supply of devices with high power requirements.
Researchers at UCLA and Université Pierre et Marie Curie identified a method for manufacturing more durable glass that resists temperature variations and aging. This breakthrough could result in stronger materials for various applications, including display screens, fiber optic cables, windows, and cement.
Researchers at the University of Copenhagen have developed a new glass ionomer cement for tooth fillings that is mercury-free and offers improved durability. The material has good biological properties and releases fluoride to prevent cavities, making it a promising alternative to existing composite filling materials.
Researchers at KAIST developed an ultrathin polymeric insulator using initiated chemical vapor deposition, overcoming limitations of traditional techniques. The resulting insulator enables the creation of low-power, high-performance field-effect transistors on flexible substrates.
Researchers have discovered a magnetic material that can heat cancer cells to high temperatures without harming healthy tissue. This breakthrough material uses a unique Curie temperature-dependent heating effect that stops quickly and cannot get hotter.
Researchers have found that electric current flows unimpeded through tiny channels on the surface of certain metals, reducing energy losses and enabling novel information processing techniques. This breakthrough has significant implications for the development of new electronic devices and quantum computing systems.
Research highlights the benefits of experiential purchases, finding that anticipating experiences brings more happiness than waiting for material goods. In contrast, wealth and abundance may undermine appreciation for everyday moments, while temporarily giving something up can provide a route to happiness.
A Florida State University researcher developed a theory to explain why certain materials behave, using quantum simulations and statistical methods. The study provides confidence levels in material predictions, enabling faster engineering design.
The National Science Foundation has awarded $56 million in funding to 12 Materials Research Science and Engineering Centers (MRSECs) for multidisciplinary research in materials science. The MRSECs will support collaborative projects across universities, national laboratories, industry partners, and international collaborations.
Researchers have developed a technique to observe minute distortions in the atomic structure of complex materials, influencing their properties. By mapping atomic organization, including distortions, they've found weaker chemical bonds make atoms more susceptible to variations.
Researchers created a new polymer material that can switch between two shapes without reprogramming, using internal stress to remember its shape.
Researchers have developed a thin film that maintains electric and magnetic properties even when highly curved, paving the way for wearable devices. The new material improves upon existing materials by reducing leakage current and increasing flexibility.
Researchers at University of Texas at Austin developed the first silicene transistors, made of one-atom-thick silicon material. The breakthrough paves the way for faster and energy-efficient computer chips.
Researchers develop a novel, bacteria-repelling coating material that attracts healthy cells to medical implants, reducing the likelihood of rejection. The breakthrough could significantly improve the success rate of medical implants, particularly for hip replacements where failure rates remain high.
A new thin-film material rapidly changes color in response to chemical nerve agents, offering a potential solution for real-time detection of deadly CWAs. This innovation is based on a distinct color change, a technique that could help save lives and hold aggressors accountable.
Researchers at EPFL have developed a way to control the formation of conductive pathways in ferroelectric materials, allowing for the creation of adaptable electronic circuits. This technology has the potential to miniaturize devices and enable resilient circuits that can function even with damaged components.
Researchers at the University of Missouri have developed a material that can sense and manipulate sound and elastic waves. This technology could lead to advancements in imaging, military enhancements such as elastic cloaking, and super-resolution sensors.
Researchers at the University of British Columbia have detected 'charge ordering' in electron-doped cuprate superconductors for the first time, revealing a new avenue to study charge ordering and superconductivity. This finding challenges previous assumptions about the relationship between charge ordering and pseudogap states.
Researchers Rouzbeh Shahsavari and Saroosh Jalilvand found that atomic-level forces affect the mechanical properties of complex particle-based materials, such as concrete. They suggest new ways to fine-tune chemistry to make concrete less prone to cracking and more suitable for specific applications.
Researchers at ETH Zurich have discovered a new glass material that can store more energy than traditional lithium-ion batteries. The vanadate-borate glass exhibits improved charging capacity and stability, paving the way for more efficient electric vehicles and longer-lasting portable electronics.
A North Carolina State University research team has created prototypes of novel multiferroic materials and devices integrated with silicon chips. These materials offer the possibility of switching magnetism with an electric field, making them attractive for next-generation memory storage devices.
The Center will address four key topics: layered oxide ferroics, autonomously powered nano-motors, high-pressure electronic metalattices, and optically active particles. The grant supports 45 faculty members worldwide in interdisciplinary research.
Scientists at Penn State have discovered a miniscule vacuum gap that creates an energy barrier for electrons moving between layers of material. This gap is crucial for designing next-generation electronic devices, such as vertical tunneling field effect transistors.
A new EU project, LaWin, aims to develop functional façades and window modules that can generate electricity, heat, and algae biomass. The project, coordinated by Jena University, will create an integrated production process for these innovative materials, with the goal of achieving an unmatched readiness to market.
Virginia Tech's Giti Khodaparast has received a three-year, $1.2 million grant from the US Air Force to study electro-optic and magneto-electric materials, which could lead to faster optical computing devices. The research aims to develop multifunctional devices with giant optical nonlinear conversion capabilities.
Washington State University researchers are working on a five-year NIH grant project to develop new bone-like coating materials that will allow titanium-based implants to integrate better into the body. The goal is to improve implant success rates, particularly for younger patients and those undergoing revision surgeries.
Researchers developed a nanocrystalline high-entropy alloy with low density and high strength, surpassing titanium alloys. The alloy's unique properties make it suitable for various applications such as vehicles or prosthetic devices.
Researchers at Drexel University have developed a conductive clay that can be easily molded into various shapes and sizes, representing a significant shift in the production of electrodes for energy storage devices. The clay's high conductivity and plasticity make it an attractive candidate for use in batteries and supercapacitors.
Researchers at University of Nebraska-Lincoln enhance ferroelectric tunnel junction performance, increasing disparity between 'on' and 'off' conditions to improve RAM reliability. The team's graphene-ammonia combination also addresses the challenge of maintaining polarization in thin ferroelectric layers.
Researchers have developed a fast and low-cost method to create flexible electronic sensors on paper using silver nanowire ink. The new technology has the potential to make medical tools more accessible and affordable.
Researchers at INRS have developed a new class of multiferroic materials for solar cells, increasing conversion efficiency to 8.1%. The team's triple-layer coating captures different wavelengths of light, converting more light into electricity.
The BIOMAT group has created a transparent, biodegradable container for oily products with enhanced barrier properties and natural antioxidant agents. This innovation aims to prolong the shelf life of packaged food while reducing environmental impact.
Researchers at RIKEN have developed a method to manufacture highly symmetric, three-dimensional metamaterials with isotropic optical responses. The team created a large metamaterial, up to 4 mm x 4 mm2 in size, using a combination of top-down electron lithography and bottom-up self-folding mechanism.
Scientists have developed a new device that captures information about both temperature and crystal structure during extremely fast reactions in thin-film materials. This breakthrough will help researchers optimize the process of making advanced technologies, including state-of-the-art semiconductors.
Researchers at Chalmers University of Technology have designed a material that manipulates the Cherenkov cone to distinguish between common and rare particles. The material uses transformation optics to create distinct light cones for particles with high momentum, making it possible to efficiently separate and identify these particles.
The National Science Foundation has awarded $18 million in grants to research nine teams of scientists working on 2-D atomic-layer research and engineering. These researchers aim to create new devices for photonics, electronics, sensors and energy harvesting by exploring the properties of two-dimensional materials.
A Wayne State research team is developing new, more efficient catalytic materials to reduce energy consumption in chemical conversion systems. The project aims to create multicomponent catalysts that can improve reaction efficiency and reduce unwanted byproducts.
Purdue researchers have discovered the structure of the enzyme responsible for producing cellulose, a key breakthrough in understanding plant cell wall composition. The findings could lead to improved methods for breaking down plant materials and creating sustainable biofuels.
Researchers at the University of Pittsburgh have discovered a novel oxide-based magnetism that follows electrical commands, paving the way for spin-based computing. This breakthrough could lead to ultrahigh density storage and computing architectures by combining magnetic materials with semiconductors.
The researchers created a new nanoscale structure called PlaCSH that increases the brightness and efficiency of LEDs made of organic materials by 58 percent. The method also improves picture clarity of LED displays by 400 percent.
Researchers have developed an electronic skin device that can detect and image small lumps in the breast, allowing for earlier identification of breast cancer. The device has been tested on a silicone breast model and shown to be highly accurate, with a potential survival rate increase of over 94%.