Articles tagged with Materials Testing
Scientists at Penn State have developed a new understanding of why synthetic 2D materials often perform orders of magnitude worse than predicted. By using oxygen-terminated substrate surfaces, they enhanced the photoluminescence intensity and carrier lifetime of molybdenum disulfide by 100 times.
Researchers at QUT have developed nano 'sieves' that can separate molecules up to 10,000 times finer than a human hair. The discovery opens the door to early detection of cancer through blood tests and creation of smart materials with novel functions.
Researchers from Graz University of Technology have developed a holistic solution using geopolymer concrete to resist microbial induced concrete corrosion (MICC), a common issue in wastewater treatment facilities. This approach has shown promising results in reducing the lifespan of damaged systems and extending their service life.
Researchers at Washington State University have developed a new method for soil pathogen analysis that is portable, fast and inexpensive. This breakthrough technology allows farmers to detect disease-causing pathogens in their soil quickly and make informed decisions about treatments or management changes before planting.
A team of University of Wisconsin-Madison engineers has discovered new materials that could enable solid oxide fuel cells to operate at lower temperatures, increasing efficiency and reducing costs. The researchers used quantum mechanics-based computational techniques to screen over 2,000 candidate materials, yielding a list of 52 poten...
Researchers from Jena University successfully created protein nanofibres with defined properties by combining two different proteins through a self-assembly process. The hybrid fibres can be used as components in biosensors, drug delivery particles, optical probes, or bone cements.
Researchers have developed graphene narrow stripes to use as electrical wires and a method to precisely contact individual molecules. The discovery has enabled direct atomic precision contacting, leading to the creation of a single-molecule magnetic device.
A novel system, called a thermal resonator, converts daily temperature swings into electrical power. The device takes advantage of the ambient temperature fluctuations that occur during the day-night cycle, making it suitable for remote sensing systems without requiring batteries or other power sources.
Researchers at Brown University have developed a new titanium-based material for making lead-free, inorganic perovskite solar cells. The material has favorable properties for solar applications and can be tuned to improve efficiency.
Researchers at Tohoku University have fabricated two types of trilayer graphene with different electrical properties. The ABA-stacked graphene exhibits excellent electrical conductivity, while the ABC-stacked graphene displays semi-conducting properties. These findings hold implications for the development of novel electronic devices.
Scientists at Penn State have created materials that can conduct protons, a process used in fuel cells, and are biocompatible. The protein-based proton conductors show promise for developing implantable medical devices without batteries.
Researchers at Aalto University found major deficiencies in ageing tests of perovskite and dye-sensitized solar cells. Most tests lacked common standards, were performed in dark conditions, or reported insufficient data.
Scientists have discovered a way to create materials with new properties by inducing liquid crystals to form ordered rings in nanopores. This self-assembly process allows for the design of nanomaterials that can be controlled through temperature, enabling novel applications in organic semiconductors.
Scientists at Yokohama National University developed a photoresponsive molecular switch that enables the control of sol-gel transitions in thermoresponsive polymers. The azobenzene-containing ionic liquid triggers reversible physical property changes upon light irradiation, showing tunable sol and gel states.
Researchers have developed a smart coating that mimics the structure of human skin, offering a balance between strength and self-healing capabilities. The coating, composed of polyvinyl alcohol and tannic acid, can heal itself like skin when cut and also kill bacteria.
Dr. Federico Rosei, a renowned professor and researcher, has been invited to join the prestigious World Academy of Ceramics as an Academician in recognition of his groundbreaking work on nanoscale functional materials. His research has led to significant advances in solar, optoelectronic, and biomedical technologies.
Scientists at NUST MISIS have developed a new rapid-test that can accurately diagnose acute myocardial infarction and identify sepsis in just 10 minutes. The test uses immunochromatography principles and detects disease markers in blood, allowing for early treatment intervention.
Researchers have improved optical rectenna efficiency by two-fold, using air-stable diode materials. The devices can convert electromagnetic fields at optical frequencies to electrical current, enabling low-power applications like temperature sensors.
Researchers at Tohoku University have developed a new phase change material, Cr2Ge2Te6, that achieves a significant reduction in power consumption for data recording in phase change memory (PCRAM). The material exhibits an inverse resistance change and combines low operation energy, high data retention, and fast operation speed.
Researchers discover mechanism responsible for limit on indium content in InGaN thin films, affecting blue light emitting diodes. A regular pattern of atoms within the monolayer limits indium concentration to 25-30%.
The KAUST team has developed a methodology for acquiring atomic-resolution images of beam-sensitive materials, such as metal organic frameworks, using transmission electron microscopy. This enables the precise alignment and determination of defocus values, reducing the procedure to a near-routine process.
Scientists at KIT create friction-optimized metal alloys using a unique approach that combines friction experiments with non-destructive testing methods, data science algorithms, and high-resolution electron microscopy. The goal is to develop materials with tailored friction and wear behavior, which could lead to significant energy sav...
Researchers from Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed a new insulating material using microscopic bubbles, creating an ultra-insulating brick called Aerobrick. This innovation outperforms traditional insulation methods by up to 35%.
Researchers at UC Riverside have discovered a unique structure in the mantis shrimp's club that protects it from self-inflicted damage, enabling the development of ultra-strong materials. The club's striated region wraps around the club to prevent catastrophic cracking, similar to hand wraps used by boxers.
The Manufacturing Immortality Project aims to create materials with self-healing properties, combining biological and non-biological components. Researchers hope to develop consumer goods like smartphones with self-healing screens within the next three years.
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.
Rice University scientists found that porous particles of calcium and silicate show potential as building blocks for various applications. When assembled into micron-sized sheets and pellets, the arrays held up better under pressure, with bigger individual nanoparticles being 120% tougher than smaller ones.
Researchers at CUNY's Advanced Science Research Center discovered a process to create a diamond-like material from two-layer graphene that becomes harder than diamond upon impact. This innovation has potential applications in wear-resistant protective coatings and ultra-light bullet-proof films.
Researchers have successfully engineered artificial graphene in a nanofabricated semiconductor structure, offering more versatile properties than natural graphene. This breakthrough could lead to the development of new electronic switches, transistors, and storage methods based on exotic quantum mechanical states.
Researchers have developed a new method for 3D printing metals that achieve exceptional strength and ductility. The breakthrough uses ultrafast cooling rates, resulting in non-equilibrium states that lead to improved mechanical properties.
Researchers at the University of Warwick have developed a new 'double-glazed' solar power device that uses gas to transport electrical energy, unlike existing solar panels. This innovative approach could lead to improved solar power generation methods and open up new possibilities for advanced photovoltaics.
Researchers successfully created a molecular chain composed of freely rotating loops, a significant breakthrough after decades of failure. The new technique could lead to the development of materials and machines with unique properties, such as improved flexibility and tunability.
Researchers at MIT, Cornell, and King Abdullah University developed a technique to create long, thin MoS2 channels in WSe2. The discovery could lead to more efficient solar cells and the assembly of atom-scale electronic components.
Researchers develop biomimetic drive elements inspired by pine cones, which can open and close without energy consumption. The goal is to optimize building energy efficiency and reduce greenhouse gas emissions.
Researchers at NIST develop a new approach to testing multilayered, three-dimensional computer chips using microwaves. This method provides real-time insight into material performance and defects, potentially reducing electromigration issues and improving chip stability.
Researchers found that boron incorporation in InGaN material reduces electron collisions, increasing LED efficiency. The boron-based BInGaN material can be grown on top of GaN using existing techniques, making it suitable for high-power and efficient visible LEDs.
Physicists at Bielefeld University discovered a new material that can generate magnetic signals, known as 'spin currents', from heat, increasing efficiency. The researchers tested various combinations of thin films and found that materials with special electronic structures produced stronger spin currents.
Researchers at Princeton University have developed a new approach to increase the conductivity of organic semiconductors, which could lead to more widespread use of organic electronics. The breakthrough involves using a ruthenium-containing compound that adds electrons to the semiconductor, increasing its conductivity by about a millio...
Researchers at Hokkaido University have developed a novel material synthesis method that utilizes protons to introduce ions into host materials. This liquid-free process enables the homogenous introduction of various ions, such as lithium and sodium, into tantalum sulfide, maintaining its crystallinity.
Researchers at KIT have developed innovative fluorescent 3D structures to improve counterfeit protection in products like bank notes, pharmaceuticals, and car spare parts. These new security features can be easily integrated into various applications to prevent product piracy and counterfeiting.
Soft magnetic materials are crucial for designing efficient electric machines, but current characterization methods are inadequate for applications like traction drives. Researchers offer improvements to guide the selection of the most suitable material.
Researchers at MIT and Harvard created a light-harvesting material that can absorb and transfer energy along precise pathways. The synthetic material uses densely packed clusters of pigments organized on DNA scaffolds to mimic natural photosynthetic structures.
Researchers have developed a new material for clothing that can cool people down without external energy needed, using a nanocomposite thread made from boron nitride and polyvinyl alcohol. The fabric is more efficient at moving heat away from the body than pure polyvinyl alcohol or cotton fabrics.
A new AI system can analyze a large dataset of research papers to extract recipes for producing specific materials. The system can identify paragraphs containing recipes and classify words within those paragraphs according to their roles, allowing scientists and engineers to access detailed instructions for material production.
The Agreement on Enhancing International Arctic Scientific Cooperation aims to improve movement of researchers and equipment, share data and metadata, and transfer traditional knowledge across territories. Effective implementation will balance national interests with common goals for the benefit of all stakeholders in the region.
Scientists used gold nanoparticles with molybdenum disulfide to study strain occurring when a semiconductor contacts a conductor at the nanoscale. They demonstrated localized strain of 1.4% using Tip-Enhanced Raman Spectroscopy, a unique technology that combines optical and atomic force microscopy.
A novel technique has enabled researchers to unravel complex physical processes during fracture in microscopic detail and in real time.
A team of UCSB researchers created a dry polymeric system that maintains its stretchiness while becoming stiffer and tougher with the addition of iron coordination bonds. The material has potential applications in coatings and impact-resistant materials.
Scientists have discovered that the moon's mantle is composed of orthopyroxene, not olivine, contrary to previous assumptions. This finding challenges models for the formation and evolution of the Moon and its differences from Earth.
Researchers at the University of Illinois developed guidelines to understand auxetic materials that become thicker when stretched, applicable for protective sports equipment, body armor and biomedical devices. The new tools aim to democratize auxetic design, making it accessible to engineers from novice to advanced experience levels.
A newly engineered material, MeTro sealant, has been developed to seal lung tissue without sutures, showing complete sealing and evidence of promoting wound healing in laboratory tests. The sealant is derived from human protein and has improved biocompatibility compared to existing synthetic sealants.
Researchers at Kyushu University have successfully demonstrated persistent luminescence from organic materials, achieving long-lived emission lasting over an hour. This breakthrough has the potential to revolutionize various fields, including bio-imaging and safety applications.
Researchers at CIC nanoGUNE developed a photovoltaic device using magnetic materials as electrodes, increasing efficiency by 14%. The device produces alternating current directly, eliminating the need for transformers. Further improvements are being pursued to build more efficient solar modules.
The study reveals that the anisotropic Qf value is caused by anisotropic electron conductivity and anisotropic bonding strength in the superstructure. The researchers achieved a five-fold increase in Qf parallel to the c-axis compared to perpendicular to it.
The University of Washington is home to a new national center for research, education, and training in materials science. The center will focus on nanocrystals and thin films with potential applications in clean energy, photonics, and quantum computing.
The Cornell Center for Materials Research has been awarded $23.2 million in NSF funding for six years, a 26% increase from the 2011 award. This funding supports research projects focused on spin manipulation, light-matter interactions and 3D systems.
A CWRU researcher led an international team to develop functional materials inspired by nature, including sticky and durable caddisfly silk and sea cucumber skin. The research aims to create materials with wide range of practical uses, such as soft-sided robots for search-and rescue missions.
The Northwestern University Materials Research Science and Engineering Center has received a six-year, $15.6 million grant from the National Science Foundation to advance world-class materials research, education, and outreach. The center will support interdisciplinary research groups focusing on reconfigurable nanoelectronic materials...
Researchers enhanced spider silk with graphene-based materials, boosting its mechanical properties by up to three times the strength and ten times the toughness. The modified silks show promising applications in high-performance or biodegradable textiles such as parachutes or medical dressings.
Scientists have made a groundbreaking discovery about the optical properties of glass, finding that stable glasses can exhibit birefringence despite having no molecular orientation. This unique property allows for the creation of scratch-free coatings and materials with different mechanical properties.