Articles tagged with Crystals
Scientists observed a material's phase change when triggered by ultrafast laser light instead of temperature change. The process generates topological defects and affects electron dynamics. Researchers can potentially use this phenomenon for data storage systems using controlled light pulses.
Scientists at NUST MISIS discover that molybdenum disulfide, a promising basis for ultra-small electronic devices, degrades in air due to spontaneous oxidation. However, they also found that the material can be transformed into a solid solution MoS2-xOx, which is an effective catalyst for electromechanical processes.
Russian scientists propose a new classification of symmetry groups in crystal space, considering geometric limitations on atomic arrangement. The approach determines forbidden regions with specific spatial symmetries, classifying 230 groups into 33 classes.
Researchers at Yale University have found hints of time crystals in monoammonium phosphate (MAP) crystals, which are easy to grow and commonly used in children's kits. The discovery presents new challenges for understanding how time crystals form and could lead to improvements in atomic clocks and quantum technologies.
Researchers at National University of Singapore study the effect of silicon crystal periodicity on high-energy ion trajectories in thin crystals. They found that thinner crystals enable more precise control over the distribution of transmitted ions.
A team of scientists from Cornell University and the University of Chicago has successfully created atomically thin fabrics by stitching different materials together. The resulting single-layer materials exhibit perfectly aligned crystals with minimal defects, opening up possibilities for flexible LEDs and new electronic devices.
Scientists at Waseda University have developed robotic crystals that walk slowly like an inchworm and roll 20,000 times faster than its walking speed. These autonomously moving crystals have great potential as material for soft robots in the medical field, particularly for microrobots that transport substances in the microscopic region.
German researchers observed pulses of dissolution in dissolving crystals, marked by waves spreading from etch pits and screw dislocations. These findings challenge the long-held assumption that dissolution is a continuous process.
A new synthetic protocol has been developed to form 3D porous organic networks via solid-state explosion of organic single crystals. This method offers several advantages over existing techniques, including the absence of solvents and catalysts, resulting in highly pure products.
A new experimental setup allows for serial crystallography using broad-spectrum X-rays at synchrotron sources, enabling the study of proteins with smaller samples and shorter exposure times. This method reduces unwanted scattered radiation, making it possible to determine protein structures with high precision.
Researchers at University of Bristol observed the formation of a crystal gel and discovered new mechanisms for creating sponge-like nanoporous crystals. The process resembles ice crystal growth in clouds and can lead to materials for catalytic, optical, sensing, and filtration applications.
A network of microscopic crystals in magma can act like guard rails to channel gas out, lessening internal pressure and reducing explosiveness. The discovery challenges the prevailing assumption that silica content is the major driver of gas escape.
Scientists have discovered that organic crystals send out acoustic signals when their crystal structure changes, providing insight into the phenomenon. The crystals' rapid transformation of heat into movement is potentially useful for developing artificial muscles or microscale robotic arms.
A new study found that ultra-pure water forms ice crystals most efficiently in wedge-shaped surfaces with 45-degree or 70-degree angles. This discovery could impact transportation safety and the production of frozen food.
Researchers discovered temperature and water content cycles within magma reservoirs affect eruptive styles, with varying points controlling explosive eruptions. The study provides insights into volcanic behavior, potentially helping forecast eruption explosivity.
Researchers at Lehigh University have created a new type of synthetic single crystal and bio-inspired materials with unique electronic and optical properties. The team used a subtle laser heating technique to induce atoms to assemble into a rotating lattice without affecting the macroscopic shape of the solid.
Researchers at MIPT and several universities create technology to determine spatial structure of receptor proteins, crucial for human health. By using sulfur atoms and Serial Femtosecond Crystallography, scientists solve the problem of radiation damage, enabling precise analysis of protein structures with a resolution of 1.9Å.
Researchers at Oak Ridge National Laboratory have discovered that complex oxide materials can form self-organized circuit elements, which could support new computing architectures. This breakthrough enables the creation of multifunctional chips with tailored inputs and outputs for specific applications.
A new crystallization plate, developed at Cornell University's CHESS, has been used in experiments on the SpaceX CRS 8 mission to learn about protein structure. The In-Situ-1 plate overcomes issues with plastic microplates that made it difficult to assess crystal quality.
Researchers found a natural fruit extract, hydroxycitrate (HCA), dissolves calcium oxalate crystals, the most common component of human kidney stones. The study suggests HCA is an effective inhibitor and may be preferred over existing treatments.
Researchers found significant magma movement under Mount St Helens before 1980 eruption, indicating destabilization of magma system and possible future eruptions. Similar measurements may indicate risk at other well-studied volcanoes like Uturuncu in Bolivia.
Researchers at Princeton University have revealed new insights into the mechanism of phenylalanine hydroxylase, a critical liver enzyme for human health. By applying unique approaches combining small-angle x-ray scattering and chromatography, they provided evidence for a model of the active structure of the enzyme.
A study of young, light-use waterpipe smokers found marked changes in airway cells and increased particles shed by endothelial cells. These biological changes indicate early lung damage, highlighting the need for large epidemiologic studies to assess the harmful effects of waterpipe smoking.
Researchers have developed a new method to obtain high-resolution molecular images using continuous diffraction patterns in imperfect crystals. This approach allows for better structural detail and could revolutionize the study of complex biological machinery, including photosynthesis and catalysis.
Researchers found a way to control energy transfer between electrons and bismuth crystal lattice, enabling efficient conversion of waste heat into electricity. This discovery could improve the overall efficiency of solar cells by harnessing excess heat.
Tufts University chemist Mary Jane Shultz has discovered a way to select specific surfaces of single-crystal ice for study. This breakthrough promises insights into climate and the environment, enabling researchers to better understand interactions between vapor and ice crystals in clouds.
Researchers used X-ray crystallography, NMR and simulation to study protein movements in crystals. The results show that proteins continue to produce slight residual movements even when crystallised, which blurs the structures obtained via crystallography.
Scientists have developed a new X-ray source to study how non-addictive painkillers work, revealing the target of binding to neuroreceptors. This breakthrough could lead to designing molecules to generate specific responses and address critical health issues related to opioid abuse.
Researchers found that people prefer online profiles highlighting a potential partner's success and humility, with specific details about their life. This approach balances presenting the best version of oneself while avoiding exaggerations.
Researchers at Princeton University have overcome a major challenge in predicting material properties by accurately calculating the lattice energy of benzene to sub-kilojoule/mol accuracy. This breakthrough enables polymorphism to be resolved, a crucial step towards understanding material behavior and development of new materials.
The study's findings highlight the importance of API hydration in determining physical properties, such as stability and solubility. The research provides valuable insights into the mechanistic relationships between dehydration stages and lattice structure changes.
Street-involved youth using crystal methamphetamine are at increased risk of injecting drugs, with the drug often used during initiation events. Researchers linked recent non-injection use of crystal methamphetamine to higher rates of subsequent injection among youth who did not inject initially.
A new study reveals that fish shoals and krill swarms share a unique, irregular crystal-like shape across different locations. Researchers used multibeam sonar to record the three-dimensional structure of Antarctic krill swarms, finding a fixed surface area-to-volume ratio, similar to studies on fish from diverse locations.
Researchers bridge the gap between classical and quantum physics by exploring how the rules of quantum mechanics apply to macroscopic objects. They discovered that vibrations in a crystal can cause electrons to tunnel through barriers, leading to random quantum fluctuations.
A new study by Queen's University researchers found that antifreeze proteins can superheat ice crystals, stabilizing them above the melting point for hours. This discovery has implications for understanding ice recrystallization in nature and food storage.
A new study reveals antifreeze proteins can suppress ice melting and stabilize superheated ice crystals for extended periods. The discovery has implications for understanding this process in nature and technology applications.
Research on workers and residents exposed to World Trade Center dust and fumes found that 55% reported exposure and 43% experienced headaches in the four weeks prior to enrollment. Those with headaches were more likely to experience other physical symptoms, including wheezing and reflux disease.
New York University chemists have created three-dimensional DNA structures with potential industrial and pharmaceutical applications. The breakthrough uses a technique that organizes matter in six different directions, yielding a 3D crystal structure visible to the naked eye.
Researchers discovered pure lead titanate crystals under pressure exhibit the same transitions as complex materials, displaying a morphotopic phase boundary for maximal piezoelectric properties. This breakthrough may enable low-cost but high-performance piezoelectrics.
Researchers have successfully replicated high-quality helium crystals exhibiting supersolid behavior, a phenomenon initially thought to be exclusive to poor-quality solid helium. The new findings suggest that supersolidity can occur in ultra-cold solid helium with crystallinity above 1%, contrary to previous theories.
Researchers at Imperial College London have made a significant breakthrough in protein crystal formation using a novel porous material called BioGlass. The team successfully induced the crystallization of the largest number of proteins ever achieved using a single nucleant, offering new hope for drug discovery.
Researchers at Penn State have created a new form of supersolid matter by freezing helium-4, exhibiting properties of both solids and fluids. The discovery, funded by the National Science Foundation, suggests that under certain conditions, some fraction of the helium atoms can move through the lattice like a superfluid.
Researchers like Dr. Melanie Mormile are exploring the possibility of finding ancient bacteria on Mars, which could provide evidence for life on the planet. By dating salt-loving bacteria on Earth, scientists aim to confirm whether similar organisms can survive for hundreds of millions of years.
Scientists observed stress-driven reordering of a distorted protein crystal without thermal activation at low temperatures. The reordering was driven by mass transport caused by radiation damage, resulting in the formation of order in the system.
Researchers from NASA and French-American teams crystallized thaumatin in space, producing larger and more defect-free crystals with improved x-ray diffraction properties. This breakthrough paves the way for better understanding of the molecule's shape and function, potentially leading to new treatments for diabetes and obesity.
Researchers find preferred shapes and sizes of lead inclusions in aluminum, which affect melting behavior and material properties. The discovery has implications for understanding and engineering the behavior of nanoparticles in various alloys.
Researchers at Weizmann Institute achieve record-purity gallium arsenide crystal, allowing electrons to travel at 14.4 million centimeters per second. This breakthrough enables the creation of faster and more efficient electronic devices, such as semiconductor transistors.