Articles tagged with Surface Science
Researchers created a protective coating of glass, gallium-oxide to reduce vibrations in graphene devices. The oxide improves device performance and provides a new method of protection.
Researchers at ETH Zurich developed a gold-based transparent coating that absorbs infrared radiation selectively, heating up to 8 degrees Celsius. The coating is thinner, pliable, and more efficient than traditional antifogging methods, requiring minimal gold material costs.
Researchers at Monash University found that electric fields and applied strain can turn magnetism on and off in two-dimensional metal-organic frameworks. This discovery could lead to applications in magnetic memory, spintronics, and quantum computing.
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.
Researchers developed hydrophilic slipper surfaces that are both extremely slippery and water-attracting, countering conventional wisdom. These SLIC surfaces have potential applications in biomedical technologies and condensers, where they offer anti-fouling properties and improved efficiency.
Researchers from Osaka University have developed a new method to control topological electronic states in smarium hexaboride, detouring its topological protection. This breakthrough could lead to new technologies for higher speed and low power consumption electronics.
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.
Researchers from Tokyo University of Science create new method for producing heterolayer coordination nanosheets with improved properties and controllability. The study expands the diversity of 2D materials, enabling potential applications in optoelectronics and renewable energy.
A new broadband near-field chiral source enables comparison of different edge states to advance applications in integrated photonics and wireless devices. The research advances the field of chiral photonics science, promoting applications of chiral-sorting technology for microwave metadevices.
The Replica Exchange Grand Canonical (REGC) method describes how surfaces change in contact with reactive gas phases under different temperature and pressure conditions. The approach identifies 25 thermodynamically stable surface phases and predicts stability phase diagrams for real systems.
Asteroid Bennu's surface is characterized as loosely bound, with a near-subsurface layer composed of weakly bound rock fragments containing twice the void space as the overall asteroid. The study provides new insights into the physical properties of rubble-pile asteroids, with implications for their long-term evolution.
The Hunga Tonga-Hunga Ha'apai submarine volcano eruption created the largest recorded volcanic explosion, producing massive gravity and atmospheric waves that reverberated around the earth. The study, published in Nature, highlights the importance of this event for improving weather and climate models.
Scientists at Stockholm University have successfully studied the surface of a copper-zinc catalyst during CO2 reduction to methanol, revealing that zinc is alloyed with copper at the surface. This discovery opens up possibilities for more efficient materials and a green transition in the chemical industry.
Researchers at Swiss Federal Laboratories for Materials Science and Technology have discovered a new chemical synthesis method that forms stable benzene rings on a gold surface. This method, called the 'dry' method, avoids toxic byproducts and allows for the observation of molecular reactions in real-time.
Researchers precisely measure gold nanocontact's Young's modulus by combining TEM and LER techniques. The study reveals that the outer surface layer governs the overall strength of gold nanocontacts, with implications for NEMS and potential applications in pressure sensors.
A team of researchers has developed a tunable graphene-based platform to study exceptional points, which exhibit unique properties when light and matter interact. The breakthrough could lead to advancements in optoelectronic technologies and potentially contribute to the development of 'beyond-5G' wireless technology.
Researchers have solved a long-standing puzzle in surface physics, explaining how individual atoms of a catalyst capture molecules to transform them. The breakthrough reveals that both the catalyst and its anchor material assume energetically unfavorable states for a short time to facilitate the reaction.
Researchers created a stable surface with exceptional points, demonstrating perfect light absorption in a coherent system. The discovery enables the investigation of new physics and potential applications for better sensors and novel ways of controlling light-matter interaction.
Researchers have designed a novel thermal armour that successfully inhibits the Leidenfrost effect up to 1,150°C and achieves efficient liquid cooling across a wide temperature range. The breakthrough has significant implications for applications in aerospace, space engineering, and next-generation nuclear reactors.
A new method of molecular-level control, called induced activation, doubles the efficiency of widely used industrial catalysts. This approach manipulates the catalyst surface by controlling reducing agents at the catalyst activation stage.
A research team has reconstructed the preglacial topography of North America's mid-continent, revealing how ice sheets reshaped the landscape and allowing researchers to understand rock erosion and deposition under ice. The findings also provide insights into water resources and availability in the region.
Researchers at the University of Pittsburgh aim to reduce workplace accidents by creating a predictive model of friction based on floor-surface topography. They will use advanced techniques such as scanning electron microscopy to measure small-scale features that affect shoe-floor friction.
A research team from Dalian Institute of Chemical Physics discovered the critical surface/interface behaviors governing ESDs' operation and failure. They visualized atmosphere-dependent relaxation and failure processes using in situ Raman, X-Ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS).
Osaka University researchers developed an ultra-thin film of magnetite with superior crystallinity and conductive properties, overcoming challenges in spintronics technology. The discovery enables the film to undergo a temperature-dependent resistivity change, crucial for implementation in quantum computing technologies.
Researchers created a sulfur-selenium alloy that outperforms traditional coatings in protecting steel from corrosion and oxidation. The material's self-healing properties allow it to recover from scratches and damage, making it suitable for infrastructure applications.
The discovery suggests a long-term presence of a water vapor atmosphere only in Europa's trailing hemisphere. This finding advances our understanding of the atmospheres of icy moons and paves the way for future studies of Europa by probes like NASA's Europa Clipper mission.
Scientists have fabricated chains of triangular polycyclic aromatic hydrocarbons with spin 1, exhibiting Kondo resonances characteristic of spin ½ quantum objects. This breakthrough enables the exploration of linear spin chains and two-dimensional networks for quantum computation.
UNSW researchers stabilize a new intermediate phase in a room-temperature multiferroic material under stress, boosting electromechanical response by double its usual value. This breakthrough has exciting implications for next-generation devices and provides a valuable technique for international material scientists.
Researchers use high-intensity X-rays to study a single catalyst nanoparticle's surface changes during chemical reactions. The study reveals how the surface composition affects activity, shedding light on industrial catalytic materials.
Scientists discovered structural and surface chemistry defects in superconducting niobium qubits that may cause loss. The study pinpointed these defects using state-of-the-art characterization capabilities at the Center for Functional Nanomaterials and National Synchrotron Light Source II.
Researchers developed a method to scale up nanocages to trap noble gases like krypton and xenon. The team used commercial materials and found the optimal temperature range for trapping gas atoms inside the cages.
Researchers at GIST develop a non-contact, nondestructive approach to characterize crystal structures in thin films, shedding light on surface symmetries in SrRuO3. The technique offers a platform for structural characterization of surfaces and interfaces using optical techniques.
The Center for Adapting Flaws into Features will explore chemical defects to optimize material properties, with a focus on creating better catalysts and electronics. The team aims to develop new approaches towards transformative technologies by leveraging advanced microscopy, spectroscopy, and data science.
Scientists successfully achieved homogeneous catalyst by dissolving electrocatalytic metals in molten gallium, improving formic acid selectivity and reducing hydrogen evolution. The new method brings a significant breakthrough for synthesizing heterogeneous catalysts with enhanced stability.
Researchers are exploring biomaterials-based nanoparticles to strengthen vaccines against viruses. Emerging bioengineering technologies can create antiviral surfaces that disinfect themselves, reducing the spread of diseases.
Researchers propose a new strategy to explore electrochemical process on electrode surfaces using operando surface science methods. They successfully visualize intercalation of super-dense multilayer anions into graphite electrode surface region, revealing a distinct electrochemical process in the surface region.
Researchers have developed a method to detect flank instability in volcanoes using satellite images, revealing surface deformation related to flank motion at Pacaya volcano. The technique provides finer detail of volcanic flank motion and can reveal upticks in the rate that creep is occurring.
Researchers have developed a new tool to simulate electron-light interactions with unprecedented accuracy, enabling the study of ultra-fast processes and complex dynamics. The breakthrough, led by Professor Nahid Talebi, combines Maxwell and Schrödinger equations to describe electron-light interactions beyond adiabatic approximations.
Researchers have developed a new electrode material that can improve the efficiency and economic feasibility of salinity gradient power generation using reverse electrodialysis. The material, molybdenum disulfide thin films, was synthesized directly on the electrode current collector surface to enhance electrochemical activity.
A research team of physicists and chemists from Kiel University mimicked self-assembly processes to fabricate various patterns of controllable sizes, including the largest structures reported so far. They developed a model of intermolecular forces driving the self-assembly, enabling control over pattern size.
The study revealed that the subsurface at the Chang'E-4 landing site is made of highly porous granular materials embedding boulders of different sizes. The findings suggest a turbulent early galaxy and frequent meteor impacts on the Moon's surface.
Researchers at ICFO have successfully cooled nanomechanical resonators using electron transport, enabling the observation of quantum effects on demand. By applying a constant current of electrons through the resonator, they reduced thermal vibration fluctuations, achieving a population number of 4.6 quanta of vibration.
The University of Maryland-led project aims to upgrade lunar retroreflectors with next-generation versions, improving accuracy and coverage. This upgrade will enhance scientific research, test fundamental physics, and improve navigation on the lunar surface.
Researchers from RIKEN discover that surface electromagnetic waves have a purely topological origin, similar to quantum topological states. This finding explains why these waves appear at interfaces where medium parameters change sign, providing new insights for plasmonics, metamaterials, and topological quantum systems.
Researchers have identified microplastic fibers and various contaminants in two groundwater systems in Illinois, revealing the widespread presence of microplastics in the world's drinking water supply. The study highlights the need for further research into the impact of microplastics on human health.
Researchers developed Pd@NiO-x nanoparticles with unique core@shell interface structure, achieving high activity, selectivity and stability for direct H2O2 synthesis. The creation of porous NiO shell exposes Pd active sites, enhancing productivity and selectivity.
A research team at DGIST has developed a technology to produce environmentally friendly water-borne semiconductor inks using surfactant, reducing the use of toxic organic solvents. The new ink has a relatively flat surface and is expected to be applied in various electronic devices such as transistors and photodiodes.
An international team of researchers has made a groundbreaking discovery about matter accretion in young stars, allowing for more accurate calculations of the accretion rate. This finding is crucial for understanding the life cycle of stars and their growth under gravity's influence.
The study used 3D models to simulate electron emissions from photocathodes with flat and varied surface roughness. The results improved understanding of how smooth surfaces must be and over what spatial scales, aiding in the design of ultra-bright photon and electron sources.
Researchers discovered acetone droplets can hover above water surface, propelled by the Leidenfrost effect, with drag playing a crucial role. The faster the droplet moves, the faster it speeds up before immersion occurs.
Researchers adapted an instrument for high resolution electron energy loss spectroscopy to reduce the time required to measure phonon dispersion. The device uses a hemispherical electron analyzer and high energy-resolution electron source, allowing surface scientists to measure samples that were previously too cumbersome.
A new measurement tool, developed by York University researchers, measures the spreading of liquid drops on surfaces. The study suggests that an advanced swimsuit could reduce fluid resistance underwater, potentially helping athletes achieve better times.
Researchers have revealed the mechanism behind the ferromagnetic properties of Cr-doped (Sb, Bi)2Te3 thin films, enabling electric current generation at room temperature without energy consumption. This breakthrough could lead to novel materials that operate efficiently in future devices.
Researchers at the University of Washington have made the most precise measurements yet of atom-surface interactions crucial for improving lithium batteries and air filters. By studying gas atoms' behavior on a carbon nanotube surface, they found a measurable change in electrical resistance occurs when an atom sticks to the surface.
High-performance solar cells with a combination of materials like perovskite and spiro-MeOTAD are plagued by tiny pinholes, allowing water and gases to degrade the material. Researchers at OIST Graduate University believe these minuscule openings could be key to understanding the degradation of perovskite, leading to potential solutions.
A recent slowdown in global warming is attributed to a natural cooling phase known as multidecadal variability (MDV) and a downturn of the secular warming trend. Scientists analyzed surface temperature data records to identify this hiatus period, which coincides with natural cooling phases.
Researchers at Technical University of Munich successfully assembled chains of up to 90 porphine units using a silver surface, opening doors for the development of ordered long molecular structures. These 'tapes' have potential applications in electronic devices and data storage.
Researchers successfully manipulate 20 single bromine atoms on a sodium chloride surface to form the smallest 'Swiss cross' at room temperature. The achievement marks an important step towards next-generation atomic-scale storage devices and logic circuits.
The Radiation Assessment Detector measured radiation on Mars' surface, revealing an average GCR dose equivalent rate of 0.67 millisieverts per day. The findings also show that most mission radiation exposure will occur during outbound and return travel, posing a challenge for future human exploration.
Researchers at the University of Michigan have found that Vega, a star used as a reference point for measuring other stars' brightness, is approximately 200 million years older than previously estimated. The star's rotation rate and mass were also precisely measured using the Michigan Infrared Combiner tool.