Articles tagged with Material Properties
Researchers have made a breakthrough in understanding post-seismic velocity changes by studying the effects of friction at grain contacts. The team found that contact sliding and aging are responsible for these time-dependent changes in wave velocities.
A minimal three-dimensional model successfully reproduced hallmark behaviors of tough composite materials, including mechanical hysteresis and sacrificial bond-driven toughening. The team discovered that optimal toughening occurs at a specific ratio of soft to hard components, governed by a universal scaling relationship.
Researchers have confirmed the existence of hidden motions in granular materials like soil and snow, which can control their movement. This discovery could help understand how landslides and avalanches work, as well as benefit industries such as construction and grain filling.
Harmer and his team developed a new Cu–Ta–Li superalloy with exceptional stability and structural integrity at high temperatures, breaking a century-old limitation. The breakthrough could lead to energy efficiency, improved turbine performance, and sustainable forms of transportation.
Researchers at Texas A&M University have developed a smart plastic that can self-heal and adapt to extreme conditions, making it ideal for aerospace and automotive applications. The material's unique properties allow it to restore its shape after deformation, improve vehicle safety, and reduce environmental waste.
Physicists from the IFJ PAN in Cracow have successfully produced homogeneous coatings of titanium oxide nanotubes on large metal surfaces, overcoming the obstacle of crystal grain boundaries. The method combines nanoparticle lithography and electrochemical anodization, enabling controlled material properties.
Researchers at Boston University developed a new ultra-open metamaterial that effectively silences a broader range of unwanted sounds while preserving airflow. This breakthrough enables practical acoustic silencing in diverse settings, such as factories, offices, and public spaces.
A novel copper nanocluster has been developed, demonstrating high stability and exceptional selectivity in electrochemical carbon dioxide reduction reactions. The incorporation of a single Cu(0) atom into the cluster significantly alters its electronic landscape, leading to improved product selectivity.
Researchers at Rice University developed a new glass coating that forms a thin, tough layer that reflects heat and resists scratches and moisture. The coating improves energy savings by 2.9% compared to existing alternatives, making it a promising solution for cities with cold winters.
MXene materials have been engineered to respond to light, enabling their use in soft robotics applications. This breakthrough could lead to the development of new types of robots that can change shape and function in response to external stimuli.
A team of Penn engineers and materials scientists have developed a biomineral-infused concrete that captures up to 142% more CO2 than conventional mixes while using less cement. The new material is stronger, lighter, and uses fewer materials like cement.
Scientists at Rice University developed a scalable approach to engineer bacterial cellulose into high-strength, multifunctional materials. The dynamic biosynthesis technique aligns bacterial cellulose fibers in real-time, resulting in robust biopolymer sheets with exceptional mechanical properties.
The ReSURF sensor can detect various pollutants, such as oils and fluorinated compounds, in water droplets using its unique self-powered and self-healing properties. It offers a sustainable solution for real-time water quality monitoring with capabilities to be applied in soft robotics and wearable electronics.
Researchers developed certified biodegradable and recyclable multi-purpose foams from cellulose, replacing oil-based products. The foams have potential applications in the automotive sector for crash impact energy management and construction as an insulating material.
Researchers at Pohang University of Science and Technology developed a novel dry adhesive technology using shape memory polymers, allowing for precise micro-LED chip transfer with minimal residue. The technology offers significant advantages over conventional methods, including high adhesion strength and easy release.
A nanometer-thin spacer layer has been inserted into exciplex upconversion OLEDs (ExUC-OLEDs) to improve energy transfer, enhancing blue light emission by 77-fold. This design enables the use of previously incompatible materials, paving the way for lightweight, low-voltage, and more flexible OLEDs.
Researchers at DTU developed a new electronic material that behaves like human skin, offering self-healing and adaptive properties. The material can stretch up to six times its original length, regulate heat, and detect environmental factors, making it suitable for wearable devices, soft robotics, and healthcare applications.
Scientists at Rice University develop a new method to align boron nitride nanotubes (BNNTs) in water using a common surfactant, creating ordered liquid crystalline phases. The discovery enables the production of transparent, robust films ideal for thermal management and structural reinforcement applications.
A research team at TU Wien has demonstrated how electrical current can be generated using 'traffic jam of electrons' in certain materials. By incorporating additional immobile charge carriers into the material, they were able to create a significant improvement in thermoelectric properties.
Researchers at ETH Zurich have developed a novel solution for image sensors, utilizing lead halide perovskite to capture every photon of light. This allows for improved color recognition and higher resolution, as well as advantages in hyperspectral imaging.
Researchers developed a machine learning framework that can predict how materials respond to electric fields up to a million atoms, accelerating simulations beyond quantum mechanical methods. This allows for accurate, large-scale simulations of material responses to various external stimuli.
Scientists from Harvard University and PSI have developed a method to stabilize transient quantum states in materials using tailored optical excitation. This breakthrough enables the study of emergent properties of quantum materials, paving the way for transformative technologies such as lossless electronics and high-capacity batteries.
A new model details the kinetics of exciton dynamics in OLED materials, enhancing lifetime and accelerating material development. The findings have potential to improve fluorescence efficiency, leading to more advanced OLED devices.
Researchers at Rice University confirm a decade-old prediction of boron atoms sticking too tightly to copper, forming a new compound with distinct atomic structure. The discovery expands knowledge on 2D metal boride materials, which could inform future studies in electronics and energy applications.
Materials researchers at Harvard have created a way to produce natural rubber that retains its stretchiness and durability while improving its ability to resist cracking. The new material is four times better at resisting slow crack growth during repeated stretching and 10 times tougher overall.
Researchers have developed thin films that can compress infrared light, improving its propagation distance and wavelength range. The technology has potential applications in thermal management, molecular sensing, and photonics.
Researchers developed a method to produce tissues with controlled cellular organization, mimicking human tissue structure. The technique uses light-based 3D printing to create microgels with tailored internal architectures, enabling precise control of cell growth and behavior.
Scientists develop ultra-durable, self-healing magnets that can thrive in extreme conditions like corrosion, humidity, and temperature fluctuations. The innovative 'slippery liquid-infused porous surface' (SLIPS) coating demonstrates unprecedented durability for Nd-Fe-B magnets.
Scientists have developed a new microscope that accurately measures directional heat flow in materials. This advancement can lead to better designs for electronic devices and energy systems, with potential applications in faster computers, more efficient solar panels, and batteries.
Researchers from UC3M and Harvard University demonstrate reprogrammable mechanical behavior of magnetic metamaterials without changing composition. Flexible magnets allow for modification of stiffness and energy absorption capacity through distribution or external magnetic field manipulation.
Researchers at Texas A&M University have developed a dynamic material that can self-heal after puncturing, changing from solid to liquid and back, allowing it to absorb kinetic energy and leave tiny holes. The polymer's unique properties make it suitable for protecting space vehicles and military equipment.
Researchers captured real-time supramolecular gel formation using high-speed atomic force microscopy, overturning previous assumptions about the process. A novel 'block-stacking model' explains the unique 'stop-and-go' behavior of growing fibers.
Researchers unveiled a new class of topological insulator with an octupole phase protected by a three-dimensional momentum-space nonsymmorphic symmetry group. The discovery broadens the understanding of higher-order topological phases and provides new insights into band theory in the Brillouin real projective space.
The study reveals that frustrated assemblies can lead to materials with desirable properties like strength and toughness. By understanding the relationship between structure and property, researchers aim to design advanced materials for medical devices and sustainable construction.
Researchers at Waseda University developed a novel self-assembly process to create multilayered films with superior thermal, mechanical, and gas barrier properties. The film exhibits enhanced hardness and self-healing ability compared to conventional materials.
Three UVA Engineering faculty members have been elected as AAAS Fellows for their groundbreaking work in computer architecture, energy transport, and hydrology. Sandhya Dwarkadas, Patrick E. Hopkins, and Venkataraman Lakshmi were recognized for their innovative research and contributions to their respective fields.
Researchers from RIKEN Center for Emergent Matter Science have discovered a groundbreaking way to control superconductivity by adjusting the twist angle of atomically thin layers. This allows for fine-tuning of the superconducting gap, which is crucial for optimizing Cooper pair behavior and developing high-functionality quantum device...
A new AI model developed by Tokyo University of Science's researchers predicts dendritic growth in thin films, offering a powerful pathway for optimizing thin-film fabrication. The model analyzes morphology using persistent homology and machine learning with energy analysis, revealing conditions that drive branching behavior.
Researchers have created quantum holograms using metasurfaces and nonlinear crystals, enabling precise control over entangled information. The technology holds promise for practical applications in quantum communication and anti-counterfeiting, with potential to increase information capacity and reduce system size.
Researchers at Lancaster University are developing high-performance memory devices using self-assembled molecular technology to overcome the von Neumann bottleneck in computing. The Memristive Organometallic Devices (MemOD) project aims to deliver faster, more stable, and energy-efficient AI hardware.
Researchers found that functionalizing graphene sheets via plasma treatment can lead to enhanced sensitivity for specific gases, such as ammonia. The study discovered different types of defects created on the graphene sheets depending on the gas used during plasma treatment.
Ancient papermaking techniques have evolved to inspire the development of novel materials with exceptional properties. The principles of disassembly, refinement, and reassembly promote rapid dewatering and effective filtration, contributing to high productivity in sustainable materials production.
Researchers at Terasaki Institute develop lipopeptide hydrogels to deliver peptide-based cancer vaccines, demonstrating sustained release and enhanced immune cell uptake. The system shows promise in overcoming limitations of traditional peptide-based vaccines.
Researchers developed a supramolecular probe with enhanced phosphorescence properties for biological imaging and sensing. The probe demonstrated outstanding stability, biocompatibility, and specificity in viscosity response, enabling real-time visualization of critical physiological processes in cells and in vivo biosensing.
The University of Virginia has been awarded a $318,190 grant to develop an electromagnetic levitation system for studying ultra-high-temperature ceramics. This system enables researchers to study materials in their solid and molten states, unlocking new possibilities for aerospace, defense, and industrial applications.
Researchers discovered how polarons behave in tellurene as it becomes thinner, revealing changes in electrical transport and optical properties. This knowledge could inform the design of advanced technologies like more efficient electronic devices or novel sensors.
Researchers have developed a new X-ray technique called XL-DOT that visualizes crystal grains, grain boundaries, and defects in materials, enabling previously inaccessible insights into functional materials. The technique uses polarized X-rays to probe the orientation of structural domains in three dimensions.
German physicist Christian Schneider has been awarded a European Research Council Consolidator Grant to study the optical properties of two-dimensional materials. His team plans to develop experimental set-ups to investigate the unique properties of these materials, which could lead to new applications in quantum technologies.
Researchers have discovered a highly electrically conductive material with low thermal conductivity, challenging the link between electrical and heat conduction. This finding could lead to new developments in building materials, performance apparel and energy storage solutions.
A recent study published in Nature Communications has reported a method for determining the location of hydrogen in nanofilms. The researchers used nuclear reaction analysis and ion channeling to generate two-dimensional angular mapping of titanium hydride nanofilms, precisely locating both hydrogen and deuterium atoms.
Researchers at WVU are developing a hybrid of silver and carbon nanotubes to reduce antibiotic-resistant infections in open bone fractures. The study aims to create a safe and effective antimicrobial material that can be used on various medical products.
A team of scientists has developed a novel method to explain the behavior of water-responsive materials, which can change shape in response to humidity fluctuations. This breakthrough could advance efforts toward clean energy production, robotics, and bioelectronics.
Scientists at the Paul Scherrer Institute have found a quantum phenomenon known as time-reversal symmetry breaking occurring at the surface of the Kagome superconductor RbV₃Sb₅ at temperatures up to 175 K. This discovery sets a new record for the temperature at which this phenomenon is observed among Kagome systems.
A research group at Chalmers University of Technology has developed a silk thread coated with a conductive plastic material that can generate electricity from temperature differences. The thread shows promising properties for turning textiles into electricity generators, which could be used to monitor health or charge mobile phones.
Researchers from Osaka University have developed tough biodegradable plastics with movable cyclodextrin crosslinks, which improve both durability and degradation capabilities. The new polymers can be broken down by enzymes into useful precursor molecules, reducing waste generation.
A new MOF has been developed using a 'Merged-Net Strategy' inspired by skyscraper architecture, resulting in enhanced porosity and structural stability. The material exhibits superior water adsorption capacity and reusability compared to conventional MOFs.
Researchers at Lehigh University have pioneered a method to create customizable ceramics using solid-state synthesis, enabling advances in electronics and energy conversion. The team aims to produce functional materials with tailored geometries that can be used in thermoelectric devices and other applications.
Scientists have developed an electrochemical approach using catalysts derived from used lithium-ion batteries to produce hydrogen peroxide. The method utilizes carbon nanostructures and cobalt, displaying catalytic properties in oxygen reduction reactions.
Scientists from Brookhaven National Laboratory have developed a new type of qubit that can be easily manufactured without sacrificing performance. The constriction junction architecture offers a simpler alternative to traditional SIS junctions, using a thin superconducting wire instead of an insulating layer.
Researchers at UMass demonstrated the effectiveness of homemade play putty as an interface to measure electricity or bioelectrical potentials from a human body. The material effectively captured various electrophysiology measurements, including EEG for brain activity and ECG for heart recordings.