Articles tagged with Solids
Researchers propose a new analytical approach to determine the limiting velocity of an avalanche crack, revealing that it may propagate at supersonic speeds in certain situations. The findings reconcile conflicting interpretations and provide insights into designing structures impacted by snow masses.
Researchers at ICFO have successfully created a supersolid state of matter by coupling ultracold potassium atoms to light, directly imaging the crystal-like structure and its oscillating spacing. The team observed stripes forming and vanishing as the cloud size expanded or shrunk, behavior related to its superfluid nature.
Researchers developed a new 'frequency-multiplexed elastic metasurface' that can precisely direct elastic waves at distinct frequencies onto different locations, enhancing signal intensity by up to 48 times. This technology breaks the conventional belief that one structure can perform only one function.
A 20-year study analyzed 39 cases of primary ovarian leiomyoma, a rare type of benign tumor that develops in the ovary. The study highlights the limitations of imaging in diagnosing these tumors and emphasizes the importance of precise diagnostic methods.
A new mathematical framework, STIV, can predict larger-scale effects like proteins unfolding and crystals forming without costly simulations or experiments. The framework solves a 40-year-old problem in phase-field modeling, allowing for the design of smarter medicines and materials.
AIC100 demonstrated encouraging responses and an acceptable safety profile in patients with two types of advanced thyroid cancer, including anaplastic thyroid cancer (ATC) and relapsed/refractory poorly differentiated thyroid cancer (PTDC). The therapy showed significant tumor shrinkage and disease control in 56% of patients.
Researchers propose a novel approach to reduce carbon emissions in cement manufacturing by leveraging iron naturally present in cement raw materials. The method enables the co-thermal conversion of CaCO₃ with CH₄ under a methane atmosphere, resulting in high-value syngas as a byproduct and significantly reducing carbon footprint.
A Phase Ia/Ib trial found that zongertinib demonstrated clinical benefits for patients with advanced HER2-mutant non-small cell lung cancer, particularly those with specific HER2 mutations. The treatment showed a 71% objective response rate and manageable side effects.
A Phase II trial found durable antitumor activity in patients with BRCA1/2 mutations treated with olaparib and pembrolizumab, with 8.3% complete response rate
Researchers at TU Wien have developed a new electrochemical synthesis method for MXene, overcoming the difficulties of producing this 'miracle material'. The new process uses electricity instead of toxic hydrofluoric acid, allowing for safer and more sustainable production.
A team of chemists from Virginia Tech found a way to visualize the intricate structure and chemical reactions of battery interfaces using an X-ray beam line. This breakthrough enables researchers to gain better control over these critical surfaces, potentially leading to cheaper, higher performance batteries.
A German-Italian team has discovered a way to simplify the experimental implementation of two-dimensional electronic spectroscopy, allowing for real-time study of electron motion in solids. By adding an optical component to Cerullo's interferometer, researchers were able to control laser pulses more precisely, enabling the investigatio...
The study reveals a local upward dipole moment at adatom sites on Si(111) surfaces, aligning with experimental results. Variations in atomic arrangements significantly influence charge transfer and dipole moments, providing insights for surface probe microscopy images.
Researchers at TU Wien developed COK-47, a powdery solid substance with remarkable capabilities, by combining organic and inorganic chemistry. In humid environments, the material forms a tribofilm that ensures extremely low friction, making it highly interesting for industry applications.
Hydrogen and carbon monoxide adsorb onto platinum atoms in nanoscale voids, with hydrogen diffusing faster due to smaller size. The team's findings highlight the importance of engineering voids for next-generation sensors and gas separation.
Scientists have discovered a way to turn ordinary liquids into epsilon-near-zero (ENZ) materials by interacting them with intense femtosecond laser pulses. This creates a new class of materials with tunable light propagation properties, opening up possibilities for advances in optical sensing and communication.
Researchers at Virginia Tech have discovered a new solid lubricating mechanism that can reduce friction in machinery at extremely high temperatures. The novel coating has the potential to make components from rockets to semiconductors more safe, durable, and cost-effective.
Researchers found that some materials can store and recall sequences under specific conditions, defying mathematical predictions. This phenomenon relies on 'frustrated' hysterons, which are key to forming and recovering a sequence with asymmetric driving.
Researchers at TU Wien discovered a new energy band that remains connected by an 'umbilical cord' when one allowed energy range splits into two separate bands. This phenomenon is bound to occur in materials with large electron interaction, opening up a new perspective on technologically highly interesting classes of materials.
Kyushu University researchers create a microwave flow reaction device that converts complex polysaccharides into simple monosaccharides, producing glucose. The device utilizes a continuous-flow hydrolysis process, where cellobiose is passed through a sulfonated carbon catalyst heated using microwaves.
These materials integrate liquids within solid frameworks at the mesoscale, driven by competitive interfacial interactions. They demonstrate dynamic responsiveness leveraging force, heat, light, electricity, magnetism, and sound, and exhibit practical functionalities including anti-fouling and multiphase flow control.
Researchers used time-delayed laser pulses to capture electric and magnetic field vectors of surface plasmon polaritons, revealing a meron pair's spin texture. The study demonstrates stable spin structures despite fast field rotations.
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 uncovered key insights about how liquid crystals transform between different phases using direct simulation and machine learning. This study provides a clearer understanding of the microscopic-level changes in these materials, which could lead to new possibilities for advanced materials development.
Scientists have clarified the conditions under which large numbers of 'squishy' grains, similar to those found in biological tissues, undergo a yielding transition from solid-like to fluid-like behavior. The findings provide insights into the roles of mechanical and biochemical processes in biological systems.
A team of researchers led by Professor Beom-Kyeong Park has made a breakthrough in enhancing solid oxide fuel cell efficiency with a rapid PrOx coating method. The study demonstrated significant enhancements in SOFC electrode performance, reducing polarization resistance and boosting peak power density.
Scientists at European XFEL have developed a new method to study warm dense matter, allowing for unprecedented insights into its structure and properties. This breakthrough enables the investigation of plasmons in ambient aluminum with ultra-high-resolution X-ray Thomson scattering.
Researchers have developed a novel perovskite-based anode material with mixed hole–proton conduction, achieving high efficiency at low and medium temperatures. The breakthrough could pave the way for important technological advancements in energy technologies.
Researchers have made a breakthrough in understanding the GIP hormone's role in regulating insulin levels and weight loss. The study, involving over 500,000 individuals, found that inhibiting the GIP receptor may result in weight loss, while activating it without arresting its signal is crucial.
Researchers at Tokyo University of Science have developed a novel approach to directly observe electron transfer in solids using X-ray crystal structure analysis. This breakthrough could lead to advancements in energy storage, nanotechnology, and materials science research.
Researchers at the Universiteit van Amsterdam triggered mini-earthquakes in a lab by applying a small seismic wave to a granular material. The study shows that these events can be understood using laboratory-scale frictional experiments, and its findings are relevant for understanding remote earthquake triggering in larger faults.
Professor Kostya Trachenko develops a general theory for predicting melting points, resolving a century-long puzzle. The new framework incorporates recent advancements in liquid theory and reveals a surprising universality across different material types.
The study reveals insights into topological materials by visualizing the motion of coupled pendula, reproducing behaviors of electrons in periodic systems. The researchers directly measure Bloch oscillations and Zener tunneling phenomena, previously impossible to observe in quantum systems.
Scientists have developed a nanoporous magnesium borohydride structure that stores five hydrogen molecules in three-dimensional arrangement, achieving unprecedented high-density hydrogen storage. The material exhibits a capacity of 144 g/L per volume of pores, surpassing traditional methods and offering a promising alternative to large...
Researchers have developed a new approach to monitor ultrafast charge motion in strongly correlated solids, demonstrating phase transitions within femtoseconds. The technique offers sub-cycle temporal resolution and opens up new avenues for investigating ultrafast phenomena in correlated materials.
Researchers have developed a new technique that provides a previously unattainable view of the mechanical properties inside the cell nucleus. The study reveals the peculiar dynamic structural features in living cells, which appear to be crucial for cell function.
Researchers use water as a nonlinear medium to create a supercontinuum white laser covering an impressive spectral range from UV to far infrared. The resulting ultrabroadband source has potential in ultrafast spectroscopy, hyperspectral imaging, and scientific research.
Electric current in certain materials flows as a continuum rather than with discrete quasi-electrons, according to new research. This challenges the traditional picture of electrons and quasiparticles.
Researchers have successfully addressed and detected single rare-earth ions within an ensemble of atoms in a nanoparticle, enabling efficient light-matter interaction. This discovery brings researchers closer to creating a robust system for low-loss and fast interface between nodes of the future quantum internet.
Researchers at Tokyo University of Science have discovered a method to generate molecular ions from an ionic crystal by bombarding it with positrons. This breakthrough could lead to new applications in materials science, cancer therapy, and quantum computing.
Researchers used a unique X-ray technique to capture soundwaves' propagation in a diamond crystal, revealing ultrafast structural phenomena that were previously beyond scientific reach. The breakthrough enables real-time imaging of solid materials with unprecedented resolution and speed.
A team at Hokkaido University has set a size record for dynamic motion in crystals, demonstrating the largest molecular rotor operational in the solid-state. The rotors consist of a central rotating molecule connected to stationary stator molecules, and can rotate at frequencies of 100–400 kHz.
A new study found consistent increases in premature cardiovascular disease (CVD) death and disability due to particulate matter air pollution globally. The analysis, published in the Journal of the American Heart Association, revealed a 8.1% rise in age-standardized CVD deaths attributed to outdoor PM pollution between 1990 and 2019.
The study investigated high harmonic spectroscopy as a method to observe topology in materials. Despite thorough analysis, the researchers found that non-topological aspects of the system dominated its response, suggesting that topology may play a minor role.
A team of Japanese researchers has successfully developed a recycling photoreactor that enables the synthesis of optically pure compounds with high yields, achieving an optical purity of 98-99%. The system uses a two-step rapid photoracemization process and can produce enantiomerically pure chiral sulfoxides in yields higher than 80%.
Researchers at the University of Missouri have developed a smart material prototype that can control the direction and intensity of energy waves. This breakthrough could have significant implications for various fields, including military and commercial applications.
Research team settles decade-long debate on Ta2NiSe5's microscopic origin of symmetry breaking; structural instability hinders electronic superfluidity. Advanced experiments and calculations confirm crystal structure changes as driving force behind phase transition.
Researchers at UBC Okanagan are working on microbial fuel cells that can harness the energy from discarded fruit waste, a byproduct of agriculture in the Okanagan Valley. The study aims to improve energy output and reduce environmental impacts associated with current waste treatment methods.
A team of researchers has uncovered nanoscale changes in solid-state batteries that could improve battery performance. They found that high-frequency vibrations at the interface make it harder for lithium ions to move, and discovered an intrinsic barrier to ion motion.
Researchers used a machine learning model to simulate the behavior of hydrogen atoms at high pressures, discovering a new phase that was missed by previous theories and experiments. The discovery has sparked further investigation into the properties of solid hydrogen under extreme conditions.
Researchers at Argonne National Laboratory and University of Chicago developed a hybrid simulation process using IBM quantum computers to solve electronic structure problems. The new method uses classical processing to mitigate noise generated by the quantum computer, paving the way for future improvements.
Frontal polymerization, a faster and more energy-efficient process, generates heat that drives natural convection. This interaction leads to patterns in the resulting solid polymeric material, affecting its properties.
Researchers find quasiparticles called ferrons that carry waves of polarization and heat in ferroelectric materials. The ferron's behavior is sensitive to an external electric field, turning the material into a thermal switch.
Researchers create a new method, CCI, to capture high-resolution images of material fluctuations using powerful X-ray sources. The technique allows for non-destructive imaging and reveals patterns that were previously inaccessible.
Researchers develop a new optical method to detect topological phases in magnetic materials using Raman scattering. The technique shows promise for validating magnon topology and could lead to more sustainable technological devices with lower energy consumption.
Eun-Ah Kim and Michael Matty identified a phase in between solid and liquid for electron crystals, revealing their behavior under certain conditions. In this intermediate phase, electrons arrange themselves into tiny strips that can move around and orient themselves.
Researchers from the Max Born Institute report on a new light source generating ultrashort infrared pulses beyond 10 µm wavelength, exhibiting high potential for vibrational spectroscopy and optical materials processing. The system demonstrates excellent beam quality and stability, with output power and repetition rate scalable.
A team of researchers from Japan Advanced Institute of Science and Technology developed an analytical tool to investigate the ordering of fluorine in lead titanium oxyfluoride. They used first-principles calculation to analyze experimental results and determined the element substitution positions, finding that fluorine atoms predominan...
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 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.