Articles tagged with Materials
A research group led by Osaka Metropolitan University has proven that 3C-SiC exhibits high thermal conductivity, equivalent to the theoretical level. The crystal purity and quality of the material were found to be key factors in unlocking its high thermal conductivity.
Researchers reveal thermal instability of halide perovskite solar cells due to surface treatment with large positively charged ions. However, their work also provides a direction for engineers to improve the stability of this technology, potentially leading to more efficient and stable solar technologies.
Researchers have developed a shellac-based coating to improve the gas barrier properties of moulded pulp materials, making them suitable for food packaging. The coating, combined with nanofibrillated cellulose, provides superior water resistance and thermal stability, while preserving environmental sustainability.
Researchers discuss the construction, properties, and applications of 2D/quasi-2D perovskite-based heterostructures. These heterostructures offer novel functionalities for photovoltaic solar cells, LEDs, and photodetectors.
Researchers at UCSB discovered that a single parameter, air bubble length, determines the performance of superhydrophobic surfaces. A longer air pocket can significantly reduce drag and overcome surfactant effects.
Researchers at Beijing Institute of Technology have developed new cathode materials using borophene to overcome the limitations of traditional aluminum anodes. The study reveals that coordination with chlorine ions enhances electron transfer, leading to increased capacities and improved cycling performance.
Researchers at Stanford University have developed a new understanding of how nanoscale defects and mechanical stress cause solid electrolytes to fail. By studying over 60 experiments, they found that ceramics often contain tiny cracks on their surface, which can lead to short circuits during fast charging. The discovery could pave the ...
Researchers from Tsinghua University develop a new strategy to decouple temperature and pressure in hydrothermal carbonization, breaking the temperature limit. This process produces high-quality carbon microspheres with abundant oxygen-containing functional groups and good thermal stability, suitable for various applications including ...
A team of researchers led by Boston College Assistant Professor Brian Zhou developed a new quantum sensor technique to image and understand the origin of photocurrent flow in Weyl semimetals. They found that the electrical current flows in a four-fold vortex pattern around where light is shined on the material.
Researchers have successfully bred flame-resistant cotton lines by interbreeding white cotton lines. The new cultivar's fabric exhibits natural flame resistance due to synergistic epistasis, a complex interaction between multiple genetic factors.
A team of researchers has made two technical breakthroughs to grow high-quality 2D materials, overcoming challenges such as securing single crystallinity and preventing irregular thickness. Their method enables the growth of single-domain heterojunction TMDs at wafer scale, paving the way for next-generation electronics.
Researchers developed breathable electrodes woven into fabric used in fire suits, showing stability at temperatures over 520ºC. The fabric offers high thermal protection time of up to 18.91 seconds.
Researchers at Drexel University have developed a thin film device that can dynamically control electromagnetic wave shielding using MXene materials. The device can convert from shielding to quasi-electromagnetic wave transmission by electrochemical oxidation, making it suitable for various security applications.
Researchers at Brookhaven National Laboratory have successfully discovered new materials using artificial intelligence and self-assembly. The AI-driven technique led to the discovery of three new nanostructures, expanding the scope of self-assembly's applications in microelectronics and catalysis.
Researchers at Linköping University developed an artificial neuron that closely mimics biological nerve cells, with 15 out of 20 neural features replicated. The 'conductance-based organic electrochemical neuron' uses ions to control electronic current and demonstrates biorealistic behavior.
A team at City University of Hong Kong has developed a novel approach to converting environmental temperature fluctuations into clean chemical energy using pyroelectric catalysis. By combining pyroelectric materials with localized plasmonic heat sources, the researchers achieved significantly faster and more efficient pyro-catalytic re...
Dartmouth College researchers have developed a durable copper-based coating that can precisely be integrated into fabric to create responsive materials for protective equipment, environmental sensors, and smart filters. The coating responds to toxic gases in the air by converting them into less toxic substances trapped in the fabric.
Researchers developed a new method using Bayesian estimation to reduce X-ray fluorescence analysis time from 7 seconds to 3 seconds per measurement point, saving up to 11 hours for large-scale elemental distributions.
Electrons play a key role in facilitating rapid heat transfer between layers of 2D semiconductor materials, allowing for efficient energy dissipation in futuristic electronic devices. The study provides new insights into the behavior of atomic motions and electronic pathways in nanoscale junctions.
Researchers from City University of Hong Kong developed a novel device-engineering strategy to suppress energy conversion loss in organic photovoltaics, achieving PCE over 19%. The discovery enables OPVs to maximize photocurrent and overcome the limit of maximum achievable efficiency.
Scientists have created a new polyester material that combines mechanical stability with high biodegradability, making it an attractive alternative to traditional plastics. The innovative material, called polyester-2,18, was shown to degrade in lab experiments and pass industrial composting standards.
Researchers develop low-cost and eco-friendly method for high efficiency CIGSSe solar cells, achieving power conversion efficiency larger than 17%, by using aqueous spray deposition in air environment.
Researchers at the University of Missouri are developing a wearable heart monitor using a breathable material with antibacterial and antiviral properties. The device will track heart health via dual signals, providing continuous monitoring for early detection of heart disease.
Researchers developed a new approach to analyze coercivity in soft magnetic materials using machine learning and data science. The method condenses relevant information from microscopic images into a two-dimensional feature space, visualizing the energy landscape of magnetization reversal. This study showcases how materials informatics...
A new quantum algorithm allows for the direct calculation of energy derivatives, a crucial step in molecular geometry optimization, using only one query on a quantum computer. This breakthrough enables the computation of energy derivatives with respect to nuclear coordinates in a single calculation.
Researchers at Lehigh University have received a $1.2 million NSF grant to purchase a new plasma focused ion beam system for studying material deformation at the nanoscale. The system enables in situ mechanical testing and EBSD analysis, allowing for detailed study of microstructural elements and
Researchers have found a way to transfer precise micro Patterns onto unconventional surfaces, including curved surfaces and fibers. This technique, called REFLEX, could open up new possibilities for the development of new materials and microstructures in fields such as electronics and biomedical engineering.
Researchers developed a novel method for creating microspheres using a low-cost 3D printer, increasing efficiency and reducing costs compared to traditional methods. The new device produces high-throughput uniform polymer microsphere materials with significant economic value.
Researchers at Oak Ridge National Laboratory have discovered genetic markers for autism, developed recyclable composites to drive the net-zero goal, and created a tool for real-time building evaluation. Additionally, they have made significant progress in growing hydrogen-storage crystals using a novel nano-reactor material.
Researchers at Aalto University developed a new material that changes its electrical behavior based on previous experience, effectively giving it adaptive memory. The material responds differently to varying magnetic field strengths, which affects its conductivity and allows for bistability and rudimentary learning-like properties.
Researchers developed a one-step synthesis route for LDHs using basic magnesium carbonate, reducing costs and environmental impact. The new process produces LDHs with nanosheet morphology and rich defects at room temperature.
A new theory predicts metal failure limits and onset point of cracking based on initial cyclic stress. Researchers developed a method to analyze slip bands and material properties to provide quantitative insights.
Researchers at Osaka Metropolitan University have discovered a unique phase transition in crystals that combines crystalline and amorphous characteristics. This finding has significant implications for developing hybrid materials with improved properties for use in extreme environments, such as outer space.
Researchers used AI to automate the process of analyzing X-ray snapshots of materials, accelerating the technique by ten times on its own and 100 times with improved hardware. The new method can extract information from a range of previously inaccessible materials, including high-temperature superconductors and quantum spin liquids.
Researchers discovered that glass can undergo a rapid formation of localized liquid regions with higher mobility, leading to a mixed state where parts are liquid and others are glassy. This finding adds new pieces to the description of the complex glass-liquid transition process.
Researchers from Shibaura Institute of Technology created a novel method to produce self-folding origami honeycomb structures using paper sheets, which can provide excellent protection against shocks and compression. The developed technique has potential applications in packaging, agriculture, and other fields.
Lehigh University researchers have developed a new fabrication method for high-entropy alloys that can operate in extreme temperatures. The process uses lower temperatures and a different reaction route to achieve a more homogenous microstructure, potentially leading to the development of more efficient materials for aerospace and indu...
Researchers review emerging field of 2D ferroelectric materials with layered van-der-Waals crystal structures, offering new properties and functionalities not found in conventional materials. These materials show easily stackable nature, making them attractive as building blocks for post-Moore's law electronics.
Researchers have controlled a one-dimensional electron fluid to an unprecedented degree, discovering new properties of Tomonaga-Luttinger liquids in two-dimensional materials. The team's findings could pave the way for more robust quantum computers with enhanced fault-tolerance.
Cubic boron arsenide's high thermal conductivity and surprising long-lasting 'hot' electrons make it a promising material for photovoltaic and light detection applications. Researchers visualize the charge movement in single crystals using scanning ultrafast electron microscopy, revealing new transport properties.
A new international collaboration has explored the suitable conditions for polyester microdroplet synthesis and assembly, revealing that they can form in much wider conditions than previously understood. The research suggests that polyester microdroplets could have played a role in chemical evolution on early Earth.
Researchers have developed an intermetallic palladium-zinc alloy with high corrosion resistance and improved catalytic activity. The alloy's unique structure creates a protective skeletal shell around the zinc atoms, preventing leaching and increasing its durability as an electrocatalyst for ethanol oxidation reactions.
Researchers at the University of Colorado Boulder have discovered a novel phenomenon in a type of quantum material that can change its electrical properties under specific conditions. The material, known as Mn3Si2Te6, exhibits colossal magnetoresistance when exposed to certain magnetic fields, allowing it to behave like a metal wire.
Scientists at Duke University have engineered materials capable of producing tunable plasmonic properties while withstand extremely high temperatures. The new high-entropy carbides can achieve improved communications and thermal regulation in aerospace technologies, including satellites and hypersonic aircraft.
A new method for combining platinum with the rare earth element lanthanum as an alloy has been devised to improve the performance and reduce the cost of fuel cells. The development is expected to make it easier to decarbonize heavy transport vehicles that are less amenable to battery power.
A new category of shape-memory materials made of ceramic, rather than metal, has been discovered by MIT researchers. The ceramic material can actuate without accumulating damage and withstand much higher temperatures than existing metals, making it suitable for applications such as actuators in jet engines.
Researchers at Penn State developed a method to erase memories in disordered solids, allowing for new opportunities in diagnostics and programming of materials. The study provides insight into how memories form in these materials and demonstrates a way to 'read' and erase them.
Assistant Professor SUZUKI Hiroo and colleagues have developed a method to grow highly crystalline TMDCs, such as MoS2 and WS2, using chemical vapor deposition in a stacked substrate configuration. The technique produces samples with large domains and optimal photoluminescence characteristics.
Researchers successfully synthesized 3-hydroxybutyrate from acetone and CO2 using sunlight, mimicking natural photosynthesis. The 80% conversion yield tackles the plastic waste crisis while moving toward carbon neutrality.
Researchers at the University of Turku discovered that hackmanite changes color when exposed to nuclear radiation, retaining a memory trace that allows it to be reused. This unique property enables the development of reusable radiochromic films for measuring radiation doses and mapping dose distribution.
Scientists at Drexel University have created a new secondary-ion mass spectrometry technique to study the atomic layers of MXenes and MAX phases. The technique allows for deeper understanding of the materials' structure and composition, leading to breakthroughs in their properties and potential applications.
A team of researchers from NIST, UW-Madison, and Argonne National Laboratory identified key compositions that enable consistent 3D-printing of 17-4 PH stainless steel with favorable properties. The new findings could help producers cut costs and increase manufacturing flexibility.
Scientists developed a software platform to analyze surfaces, creating digital twins that predict material properties like adhesion and durability. The contact.engineering platform standardizes procedure and facilitates open science, allowing users to share measurements and collaborate.
Researchers have developed a new display technology using quantum dots that can increase the efficiency and lifespan of LED displays. The new technology uses a single layer of quantum dots as the emissive layer, which can reduce voltage loss and improve light extraction efficiency.
Scientists at Linköping University have made a breakthrough in developing stable high-efficiency perovskite solar cells. They created an ion-modulated radical doping method for Spiro-OMeTAD, which eliminates the trade-off between efficiency and stability.
Researchers discovered that irregularities between grains in the battery's electrolyte can accelerate failure by moving ions at varying speeds. Adjusting material processing techniques may help solve reliability problems with solid-state batteries.
Scientists at the University of Tsukuba developed a method to produce uniform, hollow vessel-shaped crystals through spontaneous crystal growth. The crystals have hexagonal symmetry and can be used as tiny containers for nanotechnology experiments.
Researchers from Osaka Metropolitan University have successfully created fumarate using artificial photosynthesis, a process that mimics natural photosynthesis. This fumarate can be used to produce biodegradable plastic, storing carbon in a compact and durable form.
The study discovered that exposure to dinitrogen pentoxide gas can activate plant immunity and control plant diseases, depending on the type of pathogen. This novel approach utilizes reactive nitrogen species generated from plasma technology, which may contribute to the development of a sustainable agricultural system.
A research team from Xi'an Jiaotong University developed BiVO4 as an efficient and stable photocatalyst for water splitting applications. The team achieved excellent results using BiVO4 crystals as a photocatalyst, showing the close relationship between surface properties and photocatalytic activity.