Articles tagged with Materials Engineering
Researchers have visualized the structural dynamics of 2D perovskite materials under light-induced excitation, revealing a transient lattice reorganization towards a higher symmetric phase. The study demonstrates the potential to tune the interaction between perovskite lattices and light.
Researchers at Drexel University have developed a wearable textile supercapacitor patch that can charge in minutes and power programmable electronics for almost two hours using MXene material. The innovative design enables seamless integration of technology into fabric, paving the way for health care technology applications.
A team from the University of Bath has developed ultra-light aerogel insulation materials with tuneable acoustic properties and other functional properties like thermal and electromagnetic shielding. The technology aims to reduce CO2 emissions by up to 50% in aircraft fleets, contributing to the government's net zero strategy.
Researchers at UT Dallas have developed novel carbon nanotube yarns called twistrons, which generate electricity when stretched or twisted. The new version has a higher energy conversion efficiency of up to 22.4% for tensile and torsional energy harvesting.
Engineers at MIT and Georgia Tech have developed a faster and simpler way to model intrusion through any soft, flowable material. The new method uses Resistive Force Theory (RFT) and adapt it to 3D, predicting forces needed to push objects through sand, gravel, or other soft media in real-time.
Researchers at MIT have developed a method to fabricate ever-smaller transistors from 2D materials by growing them on existing silicon wafers. The new method, called nonepitaxial, single-crystalline growth, enables the production of pure, defect-free 2D materials with excellent conductivity.
Scientists successfully used lab-produced tissue samples to remotely control muscle-driven miniature robots with this innovative technology. The device allows researchers a new level of interaction and exploration in the field of biological robots.
Researchers at the University of Colorado Boulder designed a new rubber-like film that can jump high into the air like a grasshopper. The material responds by storing and releasing energy, similar to how grasshoppers store energy in their legs.
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 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 City University of Hong Kong have developed a lead-free perovskite photocatalyst for highly efficient solar energy-to-hydrogen conversion. The study uncovers the interfacial dynamics between halide perovskite molecules and electrolytes, enabling better photoelectrochemical hydrogen generation.
Researchers at Washington State University have developed a new screen-printing method to create stretchable and durable wearable electronics. The process uses a multi-step layering technique to create snake-like electrode structures that can be transferred onto fabric or worn directly on human skin.
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.
Researchers uncover ancient manufacturing strategy that incorporates self-healing functionalities into Roman concrete. Hot mixing process allows for faster construction and enhanced durability through spontaneous cracking and recrystallization.
Scientists have created a novel approach to produce phase-pure quasi-2D Ruddlesden–Popper perovskites, enabling highly efficient and spectrally stable deep-blue-emissive perovskite LEDs. The rapid crystallization method yields high-performance devices with an emission wavelength centered at 437 nm.
Researchers from Nara Institute of Science and Technology have developed a straightforward means of fabricating high-quality soft semiconductors for advanced electrical circuits. The new method offers superior control over the resulting semiconductor film morphology, critical to its electrical properties.
Researchers developed a semi-submersible vehicle that can travel quickly with low drag and a low profile, making it ideal for military, commercial, and research purposes. The vessel's design allows it to collect and transmit data while minimizing energy expenditure.
Researchers at North Carolina State University have developed a highly sensitive and stretchable strain sensor that can detect minor changes in strain with great range of motion. The sensor's innovative design features a patterned cut network that enables it to withstand significant deformation without sacrificing sensitivity.
Illinois researchers create a metamaterial that changes its functionality based on power input, mimicking semiconductor behavior. The material's non-linear properties enable the creation of qubits dynamically, promising new quantum information systems.
A team of researchers has created a new method for fabricating nanodevices by shrinking hydrogels to create 3D patterns. This technique uses ultrafast two-photon lithography and can produce high-resolution patterns up to 13 times larger than the original size, enabling the creation of complex nanostructures.
Researchers at The University of Tokyo have developed a cheap and simple method to bond polymers to galvanized steel, resulting in lightweight and durable materials. The process involves pre-treating the steel with an acid wash and dipping it in hot water, creating nanoscale needle structures that allow for strong mechanical linkages.
Researchers compared two semiconductor simulation tools and found that the Fermi kinetics transport solver outperforms a commercial hydrodynamics software package in modeling electronic heat flow and electron temperature, particularly in high-speed applications. The custom-developed code converges faster and provides more consistent re...
The research team successfully transplanted a stem cell sheet onto the heart, promoting angiogenesis and improving cardiac function. The technique has improved integration and engraftment rates, addressing challenges in patch-based treatments for myocardial infarction.
Researchers have developed an edible plant-based ink derived from food waste to create cost-effective scaffolds for culturing meat. This innovation could significantly reduce the cost of large-scale cultured meat production, making it more affordable and environmentally friendly.
Jamie Padgett, a Rice University professor, has been awarded a $1 million grant from the National Science Foundation's BRITE Fellows program. With this funding, she will develop methods for infrastructure resilience modeling in response to uncertain, evolving conditions resulting from earthquakes, hurricanes, and other disasters.
Graham Collier's research aims to streamline synthetic polymer production using pyrrolopyrrole building block, reducing steps and natural resource usage. The project could lead to faster, more sustainable electronics production and contribute to KSU's mission as a top-tier research university.
Researchers have created a new metal alloy that boasts the highest recorded toughness, with properties that improve at lower temperatures. The alloy, CrCoNi, exhibits exceptional strength and ductility, making it ideal for structural applications, despite most materials becoming brittle at low temperatures.
Scientists have developed a new composite material that exhibits excellent gamma-ray shielding performance, 10 times higher than epoxy. Crystal plane engineering plays a crucial role in regulating the electron density of MAPbI3/epoxy composites, improving their ability to absorb radiation.
Researchers have overcome the low reactivity of biobased secondary diols in polyester synthesis by incorporating an aryl alcohol. This leads to high molecular weight materials with improved mechanical- and thermal properties, outperforming existing plastics like PET.
Researchers at NIST have measured the 3D orientation of polymer chains in plastics, observing complex patterns that dictate material properties. The new technique uses polarization-controlled coherent Raman microscopy to identify molecular orientation patterns, allowing for optimized materials in industries like medicine and electronics.
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.
A team of WPI researchers has developed a potential breakthrough in green aviation: a recipe for a net-zero fuel for planes that pulls carbon dioxide out of the air. The fuel, made from magnesium hydride and hydrocarbon, could provide up to 8% more range than traditional jet fuel.
Researchers develop a new method to track disease-carrying mosquitoes by ingesting harmless DNA particles, providing unique fingerprints of information. This innovative approach has the potential to revolutionize mosquito-borne disease surveillance and tracking, offering insights into mosquito movement and hotspots.
A team of international researchers has designed new kinds of materials that are potentially tougher, more versatile and more sustainable than what humans can make on their own. These materials mix different proteins and molecules to achieve properties not possible with traditional metals or plastics.
A POSTECH research team developed single-cell-driven tri-channel encryption meta-displays, which project different images depending on where you look at them. These displays overcome the limitations of conventional metasurfaces by combining amplitude modulation and geometric phase manipulation.
Researchers from the University of Tsukuba developed a reliable means to quantify reinforced concrete structure deterioration using crack width measurements. Increasing crack width leads to decreased bond strength in infrastructure.
A research team at Pohang University of Science & Technology has developed a tailored neutralizer that can adapt to all kinds of mutations in the virus. The hybrid agent mimics the principle of hotspot interaction between the virus and the hACE2 receptor, inhibiting its penetration into cells.
UCF researchers are developing a wearable, wireless health monitor to track physiological response to heat stress in firefighters. The device aims to identify correlations between heat stress and skin thermal activity for the first time, providing insight into the link between heat stress and serious medical issues.
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.
A team of researchers from the University of Toronto and Northwestern University has developed an all-perovskite tandem solar cell with extremely high efficiency and record-setting voltage. The prototype device demonstrates the potential of this emerging technology to overcome key limits associated with traditional silicon solar cells.
A new microscopy system using optical tapered fibers has successfully acquired images of photoacoustic signals without contrast agents. The resolution is sufficient for cellular imaging, including red blood cells, with a resolution of 1.0 ± 0.3 micrometers.
Researchers at NC State University have developed a ring-shaped soft robot capable of crawling across surfaces when exposed to elevated temperatures or infrared light. The 'ringbots' are made of liquid crystal elastomers in the shape of looped ribbon, resembling a bracelet, and can pull a small payload across various environments.
A new MIT-developed heat treatment transforms 3D-printed metal microstructure, enabling energy-efficient 3D printing of blades for gas turbines and jet engines. Researchers discovered a way to improve the structure by adding an additional heat-treating step.
Researchers at Princeton University have developed a new material made from egg whites that can efficiently remove salt and microplastics from seawater. The aerogel material has significant benefits due to its low cost, energy efficiency, and effectiveness in water filtration.
Researchers developed a fast and cost-effective method to detect amphiphiles, a ubiquitous family of chemical compounds used in disease diagnosis and toxin detection. The new test uses rolling droplets on microstructured surfaces to detect levels of pathogenic endotoxins in water at ultralow concentrations.
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...
The SwRI experiment helped predict the effects of NASA's DART impact on asteroid Dimorphos. The study assessed ejecta momentum enhancement created by the space probe's collision, measuring a 3.4-fold increase in momentum transfer.
Researchers at North Carolina State University have developed a new self-healing composite that can repair itself in place without removal. The technology addresses two longstanding challenges, increasing the lifespan of structural components by up to 500%. This resolves limitations such as overheating and limited self-repair cycles.
Engineers have created a new type of surface that can change its physical properties across different directions. By combining cells with adjustable shapes, the researchers can alter compressibility, flexibility and density. This technique has potential applications in medical devices, architecture and aerospace.
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.
A research group at Kobe University has successfully synthesized α-amino acid N-Carboxyanhydrides (NCAs), a crucial precursor for artificial polypeptides, using the photo-on-demand phosgenation method. This new synthesis method eliminates the use of toxic phosgene and is considered safe, inexpensive, and simple.
MIT researchers have developed a new approach to assemble nanoscale devices from the bottom up, using precise forces to arrange particles and transfer them to surfaces. This technique enables the formation of high-resolution, nanoscale features integrated with nanoparticles, boosting device performance.
A research team at UNIST has developed a perovskite-silicon tandem solar cell with a special textured anti-reflective coating, increasing its power conversion efficiency to 23.50%. The device maintains its initial efficiency for 120 hours, outperforming existing devices which drop to 50% after 20 hours.
Researchers at Drexel University have developed a composite material that can absorb and dissipate electromagnetic waves, reducing electromagnetic interference. The MXene-polymer coating has shown to be highly effective in absorbing energy at greater than 90% efficiency.
A German Research Foundation-funded research unit is developing switchable polymer gels for biomaterial applications, including tissues for biotechnological or biomedical uses. The team has successfully explored the nature of amphiphilic co-networks and will now focus on material design.
Researchers at Hokkaido University have developed a new material called ITZO, which promises to be up to seven times faster than current state-of-the-art materials. By understanding the unique properties of this material, scientists can design more efficient display technologies for ultra-high resolution displays.
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.
Researchers at the University of Pennsylvania have developed an algorithm that enables 2D materials to maintain their mechanical strength after conversion into 3D structures. The algorithm is inspired by kirigami art and mimics the structure of nacre, a natural shell coating known for its robust mechanical properties.