Articles tagged with X Ray Diffraction
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Researchers used advanced X-ray imaging to track how tiny defects in stainless steel respond to hydrogen exposure. The study revealed three key changes once hydrogen was introduced, allowing internal defects to move more easily and leading to unexpected failure in metals.
Researchers from Nagoya University have developed a deformable mirror that changes X-ray beam size by more than 3,400 times using a single-crystal piezoelectric thin wafer of lithium niobate. This technology enhances both imaging and analysis, especially for industry applications.
Researchers identified a direct correlation between the emergence of boson peak (BP) and first sharp diffraction peak (FSDP) using heterogeneous elasticity theory. This suggests that FSDP is a determining factor in the vibrational behavior of glasses within the THz band.
The University of Malaga will coordinate an international consortium, 'X-SeeO2', aiming to hasten the use of cements as carbon dioxide sinks. The €4 million project aims to reduce CO2 emissions and promote the circular economy by upcycling waste.
Researchers at Ulsan National Institute of Science and Technology developed foldable molecular paths using zeolitic imidazolate frameworks, which can adjust size, shape, and alignment in response to temperature, pressure, and gas interactions. This technology has potential applications in creating filters that adapt to capture harmful ...
Researchers develop a computational method to determine the crystal structures of multiphase materials directly from powder X-ray diffraction patterns. This approach can analyze existing experimental data that was previously difficult to decipher, leading to potential discoveries of new material phases.
Scientists developed a technique to engineer LHPs with controlled size distribution of quantum wells, improving efficiency and stability in LEDs and lasers. By controlling nanoplatelets' growth, they achieved excellent energy cascades, enhancing photovoltaic performance and stability.
Researchers developed a novel approach to optimizing siRNA-loaded lipid nanoparticles using NMR-based molecular-level characterization. Pre-mixed LNPs exhibit superior gene-silencing effects due to a stacked bilayer structure that enhances gene silencing.
Researchers from Hokkaido University have discovered a stable single-electron covalent bond between two carbon atoms, validating a century-old theory and paving the way for further exploration of this type of bonding. The discovery was made using X-ray diffraction analysis and Raman spectroscopy.
Researchers from IOCB Prague uncover the mechanism behind a unique termite defense, where worker termites sacrifice themselves to kill attackers. The discovery sheds light on the enzyme's durability and functionality in harsh conditions.
Researchers at the University of Illinois Chicago have developed a new dual-action antibiotic that targets two different cellular targets, making it nearly impossible for bacteria to evolve resistance. The antibiotic works by disrupting protein production and DNA structure, rendering random mutations ineffective.
Researchers at UNIST developed zeolitic imidazolate frameworks that mimic intricate machines, exhibiting precise control over nanoscale mechanical movements. The discovery has significant implications for applications in data storage, digital technology, and beyond.
Scientists discovered that synthesis methods can alter calcite crystals' internal structure, affecting its reactivity and properties. This discovery has implications for long-term carbon storage and the development of durable materials.
A team of scientists at Argonne National Laboratory has discovered that a lithium nickel manganese cobalt (NMC) oxide degrades rapidly with charge-discharge cycling due to changes in its lattice structure. This finding could lead to the development of lower-cost electric vehicles with longer driving ranges.
Researchers used high-energy laser experiments to study magnesium oxide's melting point and phase transitions under ultra-high pressures. The findings suggest the mineral could be the earliest solid to crystallize in forming super-Earths.
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.
A team of researchers from Japan have employed an innovative technique to directly observe the origin of FSDP and the atomic density fluctuations in silica (SiO2) glass. The study reveals alternating arrangements of chain-like columnar atomic configurations and interstitial tube-like voids.
Researchers develop a new method to grow single-crystal perovskite hydrides, allowing for accurate measurement of intrinsic H- conductivity. The technique enables the production of high-quality crystals with minimal imperfections, paving the way for sustainable energy technologies and hydrogen storage applications.
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 aim to create a nuclear clock using thorium isotopes, which could increase measurement accuracy by a factor of 3. The project uses light with orbital angular momentum to excite the nucleus, emitting photons that can be detected. This technology has the potential to answer fundamental questions in physics and astronomy.
University of Houston researcher Peter Vekilov discovers two-step incorporation into crystals, mediated by an intermediate state, solving a 40-year-old riddle. The new paradigm guides the search for solvents and additives to stabilize the intermediate state and slow down unwanted polymorphs.
Researchers create multipurpose nanosheets with reduced defects for consumer electronics, enabling a sustainable manufacturing approach. The new method overcomes stacking defects by skipping serial stacked sheet approaches, resulting in self-assembling, long-lasting, and recyclable materials.
Researchers successfully improved lithium metal battery charging rates by adding a cesium nitrate compound, while maintaining long cycle life. The new findings challenge conventional beliefs about effective interphase components and contribute to the development of high-energy density batteries.
Researchers have found a superconducting material that can be controlled to switch its properties on and off, potentially leading to more efficient large-scale computing. The discovery could enable the creation of energy-efficient switchable superconducting circuits, revolutionizing industry electronics.
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.
Deep learning models have been developed to analyze X-ray diffraction data, improving the search for new materials. The models can sift through large amounts of data generated by X-ray diffraction techniques, providing valuable insights into material structure and properties.
Researchers have directly observed a magnetic analog of liquid crystal, known as the 'spin-nematic phase', in a quantum spin system. This discovery was made possible by advancements in synchrotron facility development and has significant implications for quantum computing and information technologies.
Researchers have found that increasing pressure suppresses a regular atomic arrangement called Peierls-like distortion, which is crucial for phase-change materials. This discovery may lead to the development of new materials for advanced phase-change memory and other applications.
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.
The HeXI project has completed the Conceptual Design Review and is now proceeding with the final Technical Design for a revolutionary new instrument. This will enable highly precise structure determination of pharmaceutical molecules and study small molecules like biologics, leveraging Diamond's expertise in crystallography and MX goni...
Researchers used X-ray photocrystallography to study the transition metal-nitrenoid intermediate in catalytic amination reactions. The team successfully captured the structure and properties of the rhodium-acylnitrenoid intermediate, providing crucial insights into its reactivity.
Researchers developed a stable, porous molecular crystal using triptycene as a building block, leveraging noncovalent interactions to create a flexible material with high solubility and self-healing capabilities. The synthesized PMC exhibits excellent thermal and chemical resistance, making it suitable for various applications.
Researchers at Shibaura Institute of Technology have developed a faster way to synthesize CoSn(OH)6, a powerful catalyst required for high-energy lithium–air batteries. The new method uses solution plasma-based synthesis and achieves highly crystalline CSO crystals with improved catalytic properties.
Researchers at Max Born Institute find that ultrafast mid-infrared excitation of electrons in bismuth reduces crystal symmetry, opening new quantum pathways for coherent phonon excitation. This leads to bidirectional atomic motions and oscillations with a frequency different from low-excitation levels.
A team of scientists at DESY has developed a new technique using X-rays to image biological specimens without damaging them. The method, which generates high-resolution images at nanometre resolution, could be used for applications such as imaging whole unsectioned cells or tracking nanoparticles within a cell.
A new method developed by Cornell researchers provides tools to interpret discarded X-ray crystallography data, enabling better understanding of proteins' movement, structure, and function. This breakthrough could lead to designing new drugs targeting specific proteins.
A new material analysis method combines resonant X-ray diffraction and solid-state NMR to reveal the chemical order of Mo atoms in disordered Ba7Nb4MoO20. The study provides valuable insights into how a material's properties, such as ion conduction, are influenced by its hidden chemical order.
A team of researchers used synchrotron XRD to investigate the topochemical solid-gas reduction mechanisms in a layered perovskite. The study found that surface treatment can manipulate reaction processes, and the technique can identify rate-determining steps for optimizing material design.
Researchers at KAIST have successfully developed a new X-ray microscope technology that can overcome the resolution limitations of existing microscopes. This breakthrough enables high-resolution imaging of nanoscale structures, with a resolution of 14 nm, which is comparable to that of electron microscopes. The technology uses random d...
Scientists discovered a new hexameric structure of RepB protein, which initiates DNA replication for antibiotic resistance plasmids. The study highlights the importance of developing new antibiotics and understanding how resistance spreads.
Researchers at UCL discovered a new type of ice, medium-density amorphous ice (MDA), which has the same density as liquid water and exhibits properties similar to solid water. This finding may challenge existing models of water and raise questions about its anomalies.
Scientists have discovered a new form of carbon, LOPC, formed by heating fullerenes with lithium nitride. The new carbon consists of 'broken C60 cages' connected with long-range periodicity, exhibiting unique electrical conductivity properties.
A new study uses serial femtosecond X-ray crystallography to reveal the structure of NendoU protein at room temperature. The resulting high-resolution image shows that the protein's flexibility plays a crucial role in its functional mechanism, which is essential for designing antiviral drugs against SARS-CoV-2.
Researchers used auto-encoder technique to analyze 150 XRD patterns of magnetic alloys, identifying clusters and fine-tuning alloys by detecting relevant peaks. The approach enables accelerated development of high-efficiency materials with low environmental impact.
Researchers have developed a new imaging method that captures the light-induced phase transition in vanadium oxide (VO2) with high spatial and temporal resolution. The study reveals that pressure plays a larger role in these transitions than previously expected, challenging previous conclusions.
The new monochromator optics increase photon flux in the tender X-ray range by a factor of 100, allowing highly sensitive spectromicroscopic measurements with high resolutions. This enables data collection on nanoscale materials, such as catalytically active nanoparticles and modern microchip structures, for the first time.
Researchers have developed a new approach to phase retrieval in coherent X-ray imaging, using a complexity parameter to guide the algorithm. This methodology reduces artifacts and improves solution quality, resulting in higher-resolution images of micro- and nano-sized objects.
Researchers used AI to automate the process of analyzing X-ray snapshots of materials, accelerating the technique by ten times on its own and 100 times with improved hardware. The new method can extract information from a range of previously inaccessible materials, including high-temperature superconductors and quantum spin liquids.
A team of researchers led by Prof. Shinya Hosokawa analyzed the atomic configurations of Pd42.5Ni7.5Cu30P20, a champion bulk metallic glass, and found its characteristic configurations that lead to its excellent glass-forming ability.
A team of researchers from NIST, UW-Madison, and Argonne National Laboratory identified key compositions that enable consistent 3D-printing of 17-4 PH stainless steel with favorable properties. The new findings could help producers cut costs and increase manufacturing flexibility.
Researchers found that a 2% reduction in atomic distance on the surface leads to a significant decrease in hydrogen ion conductivity, reducing fuel cell performance. Developing methods to mitigate this strain is crucial for improving high-performance fuel cells for clean energy production.
Researchers found that oxygen makes diamond formation more likely, allowing for a wider range of conditions and planets. This discovery could lead to new methods of fabricating nanodiamonds with various applications.
Researchers have identified three natural compounds that bind to a key enzyme in the coronavirus, potentially blocking its replication. Hydroxyethylphenol, hydroxybenzaldehyde, and methyldihydroxybenzoate showed reduced activity against the papain-like protease enzyme, with effects ranging from 50-70%.
Researchers used x-ray crystallography to study the main protease of SARS-CoV-2 at various temperatures, revealing subtle conformational changes and potential targets for drug design. These findings may inspire the development of new antiviral drugs to counteract COVID-19 and prevent future pandemics.
A new study provides critical insights into the pGC-A membrane receptor, a vital component of cardiovascular regulation. The research offers a clearer understanding of this complex receptor and its signaling mechanisms, paving the way for new anti-hypertensive drugs.
A team of scientists has successfully built a neutron interferometer using two separate crystals, a major breakthrough in quantum physics. This achievement opens up new possibilities for quantum measurements and research on quantum effects in a gravitational field.
Using nearly two decades of research and ultrabright X-ray beams, scientists have created a detailed structural map of the nuclear pore complex (NPC), a key regulator of cellular operations. The results provide significant implications for understanding disease mechanisms and developing new treatments.
Scientists have discovered a small molecule that bypasses ADAR1 suppression and directly activates tumor cell death by ZBP1, inducing highly immunogenic cell death and destroying fibroblasts supporting tumor growth. This approach has the potential to improve the effectiveness of immunotherapy in treating therapy-resistant tumors.
A team of researchers used resonant inelastic X-ray scattering to study the behavior of electron spins in iron selenide, a material that exhibits directionally-dependent electronic behavior. They found that high-energy spin excitations are dispersive and undamped, indicating a well-defined energy-versus-momentum relationship.
Researchers successfully synthesized a novel nitride with hexazine rings, a dianionic compound, for the first time in a laboratory experiment. The nitride remained stable under pressures as low as 20 GPa, paving the way for potential high-energy density materials.