Articles tagged with Material Properties
Researchers at University of Warwick developed a single-step process to coat polymers with silica-based nanoparticles, creating versatile materials for self-healing paints and intelligent packaging. The process produces high-performance materials with tailored water or air permeability.
Scientists recreated materials at extreme pressures and temperatures, revealing rare atomic properties that may affect heat transfer, superplume formation, and seismic wave speed. This discovery requires reinterpreting seismic images of the lowermost mantle.
Researchers have discovered a way to make magnetic sensors capable of operating at high temperatures, overcoming the limitations of conventional sensors. By introducing slight degradation or impurities into indium antimonide samples, scientists can recreate the effect that was previously observed only at low temperatures.
Researchers at MIT have developed synthetic nanoparticles that can quickly pass into cells without harming them. The key to their approach is a striped structure on the nanoparticles' surface, which allows them to directly penetrate the cell membrane and deliver drugs or imaging agents to the cytosol.
Researchers from the University of Manchester have successfully created the world's smallest transistor using graphene, a one-atom-thick material. The breakthrough paves the way for significant advancements in nanoelectronics and could potentially solve the scaling limitations of traditional electronics.
A team of researchers from MIT and CNRS studied the phenomenon of triangular tears in adhesives like tape and plastic sheets. They found that these tears arise from interactions between three properties: elasticity, adhesive energy, and fracture energy. The study has potential industrial applications in microtechnologies.
Scientists discover squid beak is both extremely hard and stiff at the tip and soft at the base, allowing it to capture prey without harming itself. This unique property inspires new possibilities for joining materials together.
Researchers at the University of Liverpool have developed a mathematical model that proves it is possible to gain full control of sound waves using meta-materials. This could lead to improved medical scans, such as ultrasound technology used in pregnancy tests, and quieter noisy machines by trapping sound.
Researchers have produced molecular chimeras by binding fullerene receptors to a fullerene molecule, forming short chains of linked nanopearls. These aggregates exhibit special binding interactions between electrons, making them promising for efficient optoelectronic components.
Scientists from University College Cork, Dalian University of Technology, and Cardiff University developed a method for synthesizing bamboo-structured carbon nanotubes. The study found that catalytic nanoparticles played a key role in the synthesis process and acted as nucleation seeds for growth.
Trinity College researchers have developed a technique to grow grid patterns of nanotube arrays, which can be used to strengthen polymer composites. This innovation is expected to lead to the incorporation of carbon nanotubes in various applications such as flat panel displays and flexible electronic devices.
Scientists generate most energetic terahertz pulses ever produced, allowing for the observation of cross-phase modulation and opening up new possibilities for materials research and light source technologies. The breakthrough could lead to innovations in fields such as biological molecule imaging and homeland security.
Researchers have developed a procedure using chitosan to create surgical materials with antimicrobial and healing properties, which remained unmodified after sterilization. Additionally, chitosan was found to be a natural bio-stimulant that boosts tomato seed germination and plant growth.
Researchers have identified a lack of precise methods for studying nanostructured materials' atomic arrangements, dubbed the 'nanostructure problem.' A comprehensive solution requires coordination among multiple experimental methods and theory.
Researchers from Clemson University have improved inkjet technology to produce live, beating heart cells more efficiently. This breakthrough enables precise placement of cells in soft tissue, a crucial step towards achieving function in the heart.
MIT researchers have developed a new method to produce strong and stretchy nanocomposite materials, similar to spider silk. These materials can be used to strengthen packaging materials and develop tear-resistant fabrics or biomedical devices.
Researchers at Kent State University have discovered a method to manipulate colloids and liquid crystals, leading to the creation of ferroelectric nanoparticles that can significantly impact material properties. This breakthrough could result in more efficient liquid crystal displays and new applications for liquid crystals.
Researchers at Bar-Ilan University have identified a class of polyprismane molecules that exhibit auxetic behavior, getting thicker when stretched and thinner when compressed. This discovery has potential applications in bulletproof vests and medical technology.
Georgia Tech researchers develop wavelength-demultipler (WD) that can separate high-resolution wavelengths in tight confines, solving problems with combining delicate optical functions. The WD is integrated into a microchip for signal processing, communications, or sensing applications.
Researchers developed an ultrasonic metamaterial that captures sound wave's fine details and expands instead of compresses like natural materials. This allows for higher modulation of the acoustic wave, enabling better ultrasound image resolution.
Researchers at Ohio University have discovered that gold nanoparticles can heat an area significantly larger than the nanoparticle itself, making them useful for targeting specific cells or objects. The particles' heating properties are precise and can be controlled using bio-linkers to affect specific targets.
Scientists at Berkeley Lab create porous scaffolding-like material that mimics nacre's structure, exhibiting four times greater strength than current materials. The composite could foster bone tissue regeneration and improve artificial joints.
Researchers at Yale University have devised a way to predict the microstructure of crystals as they form in materials. This new method enables the estimation of grain size and subsequent material properties dependent on microstructure, opening up possibilities for tailoring material characteristics.
Researchers at Pacific Northwest National Laboratory have discovered a low-temperature sulfur oxides absorbent, silver hollandite, that maintains its catalytic activity even when aging. This inexpensive catalyst has the potential to reduce diesel emissions.
Researchers have created a family of one-atom-thin materials with unique properties, including strength, insulation, and conductivity. These materials offer vast possibilities for space-age engineers and designers.
Researchers at PNNL have developed a process to convert corn into isosorbide, which can improve the properties of plastic materials. The technology has the potential to reduce the amount of petroleum necessary to make plastics and create new jobs for rural economies.
Researchers from Brown University and Oak Ridge National Laboratory have discovered detailed atomic arrangements in Laves phases, a class of intermetallics that shatter easily. The study reveals the accepted dislocation model does not apply to these complex materials, shedding light on their brittleness.
Researchers at Rice University have discovered that nanoshells can amplify the Raman signature of molecules, allowing for the detection of as little as a few molecules of a target substance. The individual nanoshells act as independent Raman enhancers, creating opportunities for all-optical nanoscale sensors.
Researchers investigate protein structures of plants to understand their role in generating shape changes in natural materials. Successful development aims to create synthetic materials that utilize internal pressure changes for controllable shapes.
Researchers at NIST have developed a new method for studying ultrathin polymers, enabling the visualization of defects and structure. The technique uses near-field scanning optical microscopy to analyze the crystal structure and strain in thin-film crystals of polystyrene.
Researchers at NIST discovered that adding carbon nanotubes to polypropylene eliminates a common manufacturing headache called 'die-swell'. The addition of nanotubes allows the polymer to be processed at high speed through extruders, enabling the controlled manufacture of smaller components.
NIST scientists have developed three new standards to measure microdevice materials more accurately. The standards aim to reduce variations in measurements between laboratories, improving the design and performance of microdevices. The new standards advance measurement of in-plane length, residual strain, and strain gradient.
Scientists have developed a method to measure the blinking behavior of large quantities of quantum dots in just a few minutes, revealing new insights into their properties. The approach uses a mathematical tool to analyze light output patterns, allowing researchers to better understand the behavior of these nanocrystals.
Atom-scale images reveal the preferred location of atoms in silicon nitride ceramic, matching theoretical calculations. This breakthrough enables researchers to predict and manipulate material structure, leading to tougher and stronger ceramic materials for advanced applications.
The MIT team uses data mining to search for patterns in a large dataset, reducing the number of structures the computer needs to explore. This allows for more efficient discovery of new materials with desired properties.
Researchers used computer simulations to study the effect of foreign particles on crystal growth patterns. They found that these particles produced unique 'dizzy dendrite' patterns that can be replicated using specific methods.
NASA awards consortium of research institutions $30 million to create self-healing materials inspired by nature. The Institute for Biologically Inspired Materials will investigate repair mechanisms used by plants, animals and other organisms.
T. Don Tilley receives the 2002 Award in Organometallic Chemistry for developing new ways to make chemicals, including flexible semiconductors and reactive building blocks. His research aims to improve semiconductor materials and create new properties through polysilene technology.
Researchers at Cornell University have created a flexible ceramic material with a cubic bicontinuous structure, which conforms to century-old mathematical predictions. The material has properties that are not just the sum of polymers and ceramic, but something new, offering promise for efficient battery electrolytes and fuel cells.
Di Ventra's award will support his work in computer simulations and theoretical models to advance the development of molecular electronics. His research aims to understand electron transport properties at the atomic level, enabling the creation of faster and more efficient electronic devices.
Imamoglu's research focuses on quantum dots and nanostructures, exploring their properties and applications in quantum information processing. He has laid out a multi-step research program to address the feasibility of quantum computing, including work on optical pulses and memory devices.
Sandia researchers successfully created the first controllable 2D nanopatterns, which can be used to fine-tune device characteristics of self-assembling nanostructures. The breakthrough provides insight into how nature creates ordered patterns and enables humans to replicate it for fabricating specialized materials.