Articles tagged with Crystal Growth
Researchers reconciled inconsistencies between two pre-existing data sets for kaolinite, a major earth and industrial material. The findings provide a unifying approach for explaining crystal and mineral dissolution and growth, with implications for understanding geological time, nuclear waste storage, and biomedical issues.
Researchers used atomic force microscopes to study the effects of biomolecules on crystal dynamics and shape. They found that specific interactions between growth modifiers and step edges controlled the formation of complex crystal shapes, challenging long-held theories.
Researchers used computer simulations to study the effect of foreign particles on crystal growth patterns. They found that these particles produced unique 'dizzy dendrite' patterns that can be replicated using specific methods.
Scientists at the University of Illinois developed a lensless X-ray microscope that can image microscopic crystals in three dimensions. This technique offers potential for studying nanocrystalline materials and protein crystals, providing new insights into their growth mechanisms.
Researchers at Purdue University are designing software to manufacture superior crystals, enabling better electronic hardware and alloys. Space experiments have uncovered critical information on crystal formation in the absence of gravity, which is incorporated into mathematical models.
Scientists at NRC's Steacie Institute of Molecular Sciences have developed a method to grow organic wires on silicon crystals using a scanning tunneling microscope, overcoming obstacles in microchip technology. The technique enables the rapid growth of molecular lines, paving the way for hybrid devices with unique capabilities.
Crystals grown in space may produce better semiconductor materials due to reduced gravity effects. The 'detached growth' process, performed on the space shuttle, has produced pencil-thin crystals with uniform distributions.
University of Colorado researchers found that the production of antibiotic actinomycin D was 75% higher in space than on Earth, with a 20-fold increase in fermentation efficiency. This breakthrough has implications for developing new anti-cancer therapies.
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.
A team of plant biologists at the University of York have isolated the first plant antifreeze protein found in carrots. This discovery has potential applications in improving frozen food quality, cryoprotection of medical tissues, and increasing frost tolerance for crops.
Researchers at the University of Chicago have discovered a new protein, calgranulin, that can prevent the formation of kidney stones in minute amounts. Calgranulin is present in the kidney and human urine and can stop the growth of calcium oxalate crystals, the major component of kidney stones.
Researchers at NASA have developed innovative methods to study molten metals in space, including electrodes and magnets to measure fluid flows and dendrite growth. These techniques will help improve manufacturing processes on Earth by understanding subtle phenomena affected by gravity.
A team of researchers found evidence of epitaxial processes that formed magnetite crystals in the ALH84001 meteorite, contradicting claims of nanofossils. The study suggests that the crystals were formed at temperatures too high for biological organisms to exist.
The STS-89 mission will conduct experiments on granular materials, studying their behavior under conditions that cannot be simulated on Earth. The Mechanics of Granular Materials experiment will make twice as many test runs under an expanded range of conditions, potentially leading to great ramifications for down-to-Earth engineering. ...
Researchers have resolved a long-standing paradox in the theory of sintering ceramics by proposing a new model that explains shape changes during the process. The model takes into account energy differences among differently oriented surfaces and edges, reducing total energy through shape changes.
The MEPHISTO experiment, part of NASA's USMP-4 mission, collected nearly three times as much data as planned, providing valuable insights into solidification phenomena. The data will help refine manufacturing processes on Earth, particularly in the electronics industry.
Rensselaer Polytechnic Institute's Isothermal Dendritic Growth Experiment is the most extensive non-NASA remote operation on the flight, providing high-quality data for dendritic growth studies. The experiment's video system records 30 images a second, offering real-time insights into crystal growth in space.
The USMP-4 experiment has provided new data on metallic dendrite growth, revealing a closer correspondence between microgravity and theory. The findings are being used to improve computer casting models, reducing the design process from weeks to days.
Scientists are using NASA's Michelson interferometer to study protein crystal growth in space, a method that may lead to new treatments for diseases. The device, which was originally used to test the existence of the luminiferous ether, is being repurposed to analyze how molecules assemble into crystals.
Researchers at Cornell University have achieved a breakthrough in materials science by growing single crystals of any material on a semiconductor substrate. This technique opens doors for manufacturing new classes of devices in optoelectronics and microelectronics, including lasers, detectors, sensors, and computer chips.