Articles tagged with Crystal Structure
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A team of GIST researchers developed a new defect passivation strategy for polycrystalline perovskites, leading to improved power conversion efficiency and long-term operational stability. The strategy uses a chemically identical polytype of perovskite to suppress defects in the crystal structure.
A UCL-led research team has crystallized the first alternative DNA structure from the insulin gene, revealing its shape and structure. The discovery suggests that different variants in the insulin gene can form different DNA structures, which could affect insulin function and potentially play a role in diabetes development.
Scientists have successfully characterized the structures of multiple xenon compounds using 3D electron diffraction. The technique allows researchers to discover the structures of challenging noble gas compounds that were previously difficult to handle and characterize.
Guan's lab will apply accumulated experience and methods to study SLC6A14, a sodium-coupled epithelial amino acid co-transporter involved in cancer and several chronic diseases. CryoEM will be used to determine the structure of SLC6A14, providing insight into its substrate specificity and inhibitory mechanisms.
Researchers developed a novel clustering technique that considers both basic characteristics and target material properties, enabling the categorization of over 1,000 oxides into material groups. This approach uses machine learning to predict target properties and incorporates basic feature information into the analysis.
Researchers developed a new 2D quantum sensing chip using hexagonal boron nitride that can simultaneously detect temperature anomalies and magnetic fields in any direction. The chip is significantly thinner than current quantum technology for magnetometry, enabling cheaper and more versatile sensors.
Researchers developed a method to produce cobalt nanoparticles with controlled crystal phase, leading to higher selectivity and efficiency in hydrogenation reactions. The study showcases the potential of abundant cobalt as an alternative to noble metal catalysts.
Researchers at Chung-Ang University have discovered an additive that enhances the efficiency of perovskite solar cells, resulting in a record-breaking 12.22% efficiency. The additive, 4-phenylthiosemicarbazide, improves stability and reduces defects, paving the way for more accessible and long-lasting solar panels.
Scientists at Osaka Metropolitan University have found that single crystals of anthracene derivatives react differently when irradiated with light, holding clues for functional applications. The research team discovered non-uniform photoreactions in two of the compounds, which proceed from the edge to the center of the crystal.
Researchers at Osaka Metropolitan University have developed a new laser-induced forward transfer technique using optical vortex to print magnetic ferrite nanoparticles with high precision. The resulting crystals exhibit helix-like twisted structures that can be controlled by changing the optical vortex's helicity.
Researchers have discovered aluminum scandium nitride (AlScN) films that remain stable and maintain their ferroelectric properties at temperatures up to 600°C, making them promising candidates for next-generation ferroelectric memory devices. The films exhibit a high remnant polarization value and only a slight increase in coercive fie...
Scientists develop locally periodic honeycomb structure with ordered but non-periodic arrangements, exhibiting properties distinct from usual periodic crystals. The study highlights the effectiveness of aperiodic approximants in inducing modulations within self-assembled soft-matter systems.
Researchers from Tokyo Tech have discovered a material with exceptionally high proton conductivity and thermal stability, paving the way for more durable fuel cells. The new electrolyte enables fast proton diffusion and chemical stability at intermediate temperatures.
Physicists at the University of Cologne have discovered that magnetic elementary excitations in BaCo2V2O8 crystals are bound by both attractive and repulsive interactions. The study found that repulsively bound states, which were unexpected due to their lower stability, can exist in these materials.
Researchers at IBS have developed a damage-free dry transfer printing technique for flexible electronic devices, overcoming existing challenges such as the use of toxic chemicals and mechanical damage. The new method allows for high-quality electronic materials to be transferred to flexible substrates without damage.
Scientists at Tokyo Tech create innovative catalysts by encapsulating copper nanoparticles within hydrophobic porous silicate crystals, significantly enhancing catalytic activity and methanol production. The breakthrough paves the way for more efficient methanol synthesis from CO2.
Researchers developed a crystalline carbon nitride membrane that outperforms traditional polymer membranes in separating lithium ions from magnesium ions in salt-lake brine. The innovative design mimics biological ion channels, achieving an impressive selectivity ratio of 1,708 for highly dilute lithium ions.
Researchers have developed a novel pipeline to study proteins with no fixed structures, using cell-free protein crystallization techniques. This approach enables fast and convenient analysis of intrinsically disordered proteins, paving the way for new drugs and bioanalytical techniques.
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 New York University create a new method to see inside crystals, revealing the position of every unit and creating dynamic three-dimensional models. This technique allows scientists to study crystals' chemical history and form, paving the way for better crystal growth and photonic materials.
A study by MIT scientists found that microscopic defects in the ice shape how massive glaciers flow, leading to revised predictions of future sea-level rise. The researchers developed a model to estimate an icy region's sensitivity to stress, directly relating it to its likelihood of flowing.
Scientists at Norwegian University of Science and Technology create high-entropy hexagonal manganites for fast oxygen absorption and release. These materials can store and release pure oxygen much faster and at lower temperatures than known materials, making them a promising solution for industrial and medical applications.
Scientists have developed a new approach to designing materials with useful electronic and optical properties. By stacking antiaromatic units using van der Waals interactions, researchers created highly conductive liquid crystals. This breakthrough could lead to advances in organic electronics, optoelectronics, and sensing devices.
Researchers at Hokkaido University have developed a cost-effective and high-capacity cathode material for lithium-ion batteries by doping abundantly available elements, such as aluminum and silicon. The addition of these elements forms strong covalent bonds, enhancing the material's cyclability and capacity retention.
Researchers developed a displacement-type ferroelectric material with high dielectric constant by incorporating rubidium ions into perovskite compounds. The material exhibits unique distortions and phase transitions across a broad temperature range.
Researchers at DGIST developed a method to fixate chemisorbed oxygen molecules via h-BN encapsulation, leading to passivation of 2D semiconductor crystals. This approach can revolutionize the control of defect states in these materials.
A new defect-ordered layered halide perovskite was discovered, shedding light on how order can emerge through defects in hybrid organic–inorganic compounds. The compound's optical bandgap increased with the concentration of ordered defects in the lattice, presenting a new strategy for tuning perovskite properties.
Physicists at Princeton University have successfully visualized the Wigner crystal, a quantum phase of matter composed of electron crystals. The team used a scanning tunneling microscope to directly image the crystal, confirming its properties and enabling further study.
Scientists create high-throughput automation to calculate surface properties of crystalline materials using established laws of physics. This accelerates the search for relevant materials for applications in energy conversion, production, and storage.
Researchers develop innovative treatment to alleviate deleterious effects of hyperkalemia, a disease affecting 350 million people worldwide. The new mineral-based therapy uses ion transfer to flush excess potassium from the body, offering a safer alternative to existing treatments.
Scientists have applied time-resolved serial femtosecond crystallography (TR-SFX) to study molecular motion in real-time with atomic resolution, revealing three pathways of structural change in a porous coordination network sample. This breakthrough unlocks new opportunities for investigating chemical systems and material science.
Researchers at Stanford University have successfully 3D printed tens of thousands of Archimedean truncated tetrahedrons, a geometry predicted to produce promising new materials that can change form in an instant. These nanoparticles can shift between states rapidly by rearranging particles into new geometric patterns.
Researchers at TU Graz developed a new method to analyze nanoporous materials using single electron microscope images. The technique determines the three-dimensional distribution of ions in crystal channels or nanopores, leading to a better understanding of aquamarine's blue color and potential applications in material science.
Researchers at UNIST have unveiled a new principle of motion in liquid crystals, where objects can move in a directed manner by changing their sizes periodically. The discovery has far-reaching implications for the development of miniature robots and advances research in complex fluids.
Researchers at UNIST have developed a groundbreaking technology that enables the real-time display of colors and shapes through changes in nanostructures. Utilizing block copolymers, they achieved the self-assembly of photonic crystal structures on a large scale, mimicking natural phenomena observed in butterfly wings and bird feathers.
Scientists have created a way to correct distorted light patterns in real time without needing to reapply the same distortion. This method uses nonlinear optics and exploits difference frequency generation to produce an aberration-free output beam.
The new skin demonstrates excellent mechanical performance, self-adaptive camouflage capabilities, and long-term stability. It can quickly recognize and match the background by modulating optical signals in response to external stimuli.
A team of researchers has discovered ways to optimize efficiency and control degradation in perovskite solar cells by engineering their nanoscale structure. The study provides new insights on how to make high-efficiency perovskite solar cells and offers a roadmap for improving their performance.
Researchers at Kyoto University have determined the magnitude of spin-orbit interaction in acceptor-bound excitons in a semiconductor. The study revealed two triplets separated by a spin-orbit splitting of 14.3 meV, supporting the hypothesis that two positively charged holes are more strongly bound than an electron-and-hole pair.
Scientists at Nagoya University have created a new material based on fullerene indanones (FIDO) to enhance the durability of next-generation solar cells. The new material is more efficient, stable, and lightweight than conventional silicon solar cells, making it suitable for vertical installations.
A groundbreaking research breakthrough has led to the development of the world's most efficient quantum dot (QD) solar cell, retaining its efficiency even after long-term storage. The newly-developed organic PQD solar cells exhibit both high efficiency and stability simultaneously.
Researchers at Tokyo Metropolitan University have developed a novel approach to create nanoscrolls with improved control over nanostructure. The team achieved tight rolls with scrolls up to five nanometers in diameter and multiple microns in length, opening doors for new applications in catalysis and photovoltaic devices.
A new technique enables researchers to identify and control a greater number of atomic-scale defects in diamonds, which can be used to build larger systems of qubits for improved quantum sensing. This approach uses a specific protocol of microwave pulses to locate and extend control to additional defects.
Researchers developed highly efficient and stable perovskite light-emitting diodes using a solvent sieve method, achieving an operating lifetime of over 5.7 years and a record high external quantum efficiency of 29.5%. The study also demonstrated excellent stability in ambient air conditions.
Researchers from Tokyo Metropolitan University have created a new platinum-iridium-zirconium compound that transitions to a bulk superconductor below 2.2 K and exhibits a chiral crystalline structure. The team's 'mix and match' approach accelerates the discovery of exotic superconducting materials.
A new study at BESSY II has provided deeper insights into the ordering processes and diffusion phenomena in High-Entropy Alloys. The team analysed samples of a Cantor alloy, revealing local atomic structures using element-specific EXAFS and Reverse Monte Carlo analysis.
Researchers at Rice University have discovered a new material that exhibits both quantum correlations and geometric frustration, resulting in a unique flat band structure. This finding provides empirical evidence of the effect in a 3D material and has implications for understanding exotic features in materials science.
Researchers developed a novel deep learning method to study crystal structure and molecular interactions of perchlorate salts. The analysis revealed that the explosives' nature is linked to chemical bonding and intermolecular interactions.
Scientists develop a new design strategy for molecular-sized gears in crystals, allowing for controllable shifting of motion. The creation of molecular gears could lead to the development of versatile, new materials with unique properties.
Scientists develop novel synthetic strategy to create highly ordered colloidal crystals using DNA as the bonding element. The approach enables the synthesis of 10 new crystals with potential for designing metamaterials with unprecedented properties.
A research team found that voltage hysteresis in Li2RuO3 is attributed to different intermediate crystalline phases formed during charge and discharge processes, not irreversible structure changes. This discovery challenges conventional theory and has implications for developing high-energy-density lithium-ion batteries.
Researchers at Uppsala University and Columbia University have created a new 2D quantum material, CeSiI, with atoms-thin layers of cerium, silicon, and iodine. The material features super-heavy electrons with an effective mass up to 100 times that of ordinary materials.
Researchers developed a general A-site alloying strategy to prepare noble metal-occupied MAX phases, enabling the creation of over 100 materials with diverse compositions and crystal structures. These materials exhibit superior catalytic performance, particularly in alkaline hydrogen evolution reactions.
Researchers at TU Wien discovered that feldspar's unique surface geometry provides the perfect anchoring point for water molecules, enabling efficient cloud formation. The hydroxyl layer formed on the feldspar surface allows water molecules to stick and freeze, forming clouds.
Researchers from City University of Hong Kong developed a novel strategy to engineer stable and efficient ultrathin nanosheet catalysts using Turing structures. This approach effectively resolves the instability problem associated with low-dimensional materials in catalytic systems, enabling efficient and long-lasting hydrogen production.
Researchers at MIT find that slow-flowing liquid crystals can spontaneously assemble into large, twisted, chiral structures, opening a new path to generating chiral materials. These structures could serve as spiral scaffolds for assembling intricate molecular structures and be used as optical sensors.
Researchers developed a zinc oxide nanopagoda array photoelectrode with high electron conductivity, low defects, and enhanced visible light absorption properties. The addition of silver nanoparticles increased photocurrent by approximately 1.5-fold, improving water-splitting hydrogen production.
Researchers have discovered the structural proof of DNA and RNA breakdown by PLD3, an enzyme linked to Alzheimer's disease. The study provides a map of the protein, which could lead to better understanding of its role in certain diseases.
Researchers at Nagoya University used AI to analyze image data of polycrystalline silicon and discovered staircase-like structures that cause dislocations during crystal growth. The study sheds light on the formation of dislocations in polycrystalline materials, which can affect electrical conduction and overall performance.
Researchers at Politecnico di Milano have designed a hydrogel with specific characteristics using supramolecular chemistry and crystallography. The study showed that the interactions between an amino acid and bioactive molecules can be identical in both solid and aqueous states.