Articles tagged with Crystal Growth
Researchers developed an additive design strategy to control crystallization in all-perovskite tandem solar cells, achieving a certified power conversion efficiency of 30.3%. The strategy promotes homogeneous nucleation and uniform crystal growth, improving film uniformity and reducing defects.
Researchers have developed a simple crystallization method that achieves chiral resolution under mild conditions, enabling the production of homochiral inorganic crystals. The study uses organic solvents and an achiral crystalline phase to control the growth environment, resulting in single-handed forms of cesium copper chloride.
Researchers at Kumamoto University have successfully grown a bulk inorganic crystal from water that emits circularly polarized light. This breakthrough material has the potential to revolutionize security printing, advanced displays, and photonic technologies with simple inorganic chemistry.
Researchers from Zhejiang University analyzed crucial factors influencing crystallization in blade-coated perovskite films. The study identifies interconnected factors controlling crystal nucleation, grain evolution, and defect distribution.
Researchers discovered that rapidly increasing temperature during material thermal processing leads to more orderly crystal growth and smoother charge transport. This results in a substantial improvement in efficiency of eco-friendly solar cells made from antimony selenide, an abundant and eco-friendly material.
A UH crystals expert has shown how to bend and twist crystals without physical force, using a molecule called a tautomer. This discovery has potential applications in drug delivery and material properties, such as optoelectronics and soft robotics.
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.
Researchers at Tohoku University developed a new crystal growth technology using tungsten that can produce high-density single crystals above 2,200°C. This breakthrough enables the creation of new materials for semiconductors, optical devices, and scintillators, with potential applications in cancer detection and other fields.
Researchers developed world's first practical surface-emitting laser using quantum dots, advancing miniaturization and energy efficiency of light sources. The innovation enables high-performance, scalable structures and cost reductions through mass production.
Researchers at New York University discovered a new crystal type called Zangenite, which has a hollow structure and unique properties. The crystal was found to form through a two-step process and has potential applications in developing new materials, including photonic bandgap materials.
A Lehigh University team developed a novel machine learning method to predict abnormal grain growth in materials, enabling the creation of stronger, more reliable materials. The model successfully predicted abnormal grain growth in 86% of cases, with predictions made up to 20% of the material's lifetime.
Scientists at POSTECH and University of Montpellier successfully synthesized wafer-scale hexagonal boron nitride (hBN) with an AA-stacking configuration using metal-organic chemical vapor deposition (MOCVD). This achievement introduces a novel route for precise stacking control in van der Waals materials.
A new AI model developed by Tokyo University of Science's researchers predicts dendritic growth in thin films, offering a powerful pathway for optimizing thin-film fabrication. The model analyzes morphology using persistent homology and machine learning with energy analysis, revealing conditions that drive branching behavior.
Researchers have discovered a protein called MdfA that enables bacteria to shut down into dormant spores under extreme conditions. This process allows bacteria to survive in uninhabitable places and evade hospital cleaning, making them potentially deadly superbugs.
Researchers at the University of Birmingham have developed a new method for rapid scalable preparation of uniform nanostructures directly from block polymers, significantly reducing processing time from weeks to just minutes.
Researchers have discovered how cholesterol crystals form in human bodies, shedding light on heart disease and gallstones. The team identified a special solvent that mimics the body's natural environment, allowing them to watch how cholesterol crystals grow in real time.
Researchers developed a new growth method leveraging 2D materials as templates to enable the synthesis of perfectly single-crystal TMD films on any substrate. The 'Hypotaxy' technique holds significant industrial potential, allowing for low-temperature growth and precise control over film thickness.
A team from Osaka Metropolitan University has developed a crystal patterning method that controls the position and orientation of photochromic crystals, known as diarylethenes. This breakthrough allows for the creation of convex structures with precise control over crystal shape and size.
Researchers at Tokyo Metropolitan University have developed a new technique to grow arrayed tungsten disulfide nanotubes with aligned orientations. This breakthrough resolves the issue of jumbled orientations in collected amounts of nanotubes, enabling the exploration of exotic electric and optoelectronic properties.
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.
Fadi Abdeljawad's team finds that triple junctions, where three nanocrystals meet, are key to maintaining stability and strength of materials. This discovery could lead to designing better nanocrystalline alloys for aerospace and energy industries.
A new theory reveals that the solvent, not solute, is the dominant component in solution, leading to improved understanding of crystal formation. Thermodynamic phase diagrams demonstrate that crystals grow through a melt-like intermediate before organizing into a crystal structure.
Researchers at Lehigh University have pioneered a method to create customizable ceramics using solid-state synthesis, enabling advances in electronics and energy conversion. The team aims to produce functional materials with tailored geometries that can be used in thermoelectric devices and other applications.
A new filtration material developed by MIT researchers uses natural silk and cellulose to remove persistent chemicals, including PFAS and heavy metals. The material's antimicrobial properties help keep filters clean, providing a nature-based solution to water contamination.
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 Nagoya University have developed an ammonia-free technique for producing GaN semiconductors, enabling high-quality growth at lower temperatures and reduced raw material consumption. This method also reduces the need for detoxifying systems and energy expenditure.
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 from Japan have discovered a new type of ice, known as ice 0, which can cause water droplets to freeze near their surface rather than at their core. This discovery resolves a debate about the formation of ice and has significant implications for climate studies and food sciences.
Boris Yakobson aims to transform the future of advanced materials through Rice University research. His projects focus on developing predictive synthesis models and automating the search for new materials, with applications in energy and electronics.
A new study reveals specialized proteins can dramatically delay ice crystal formation in extreme cold, paving the way for impossible organ transplants. Cryogenic damage compromises cellular structures, leading to irreversible damage and organ failure.
Researchers at Rice University have made a breakthrough in synthesizing formamidinium lead iodide (FAPbI3) perovskite solar cells into ultrastable, high-quality photovoltaic films. The overall efficiency of the resulting FAPbI3 solar cells decreased by less than 3% over 1,000 hours of operation.
The Purdue method creates layered perovskite nanowires with exceptionally well-defined and flexible cavities that exhibit unusual optical properties. These nanowires show promising applications in nanophotonics and nanoelectronics, including anisotropic emission polarization and efficient light amplification.
Researchers at Tel Aviv University developed a method to grow ultra-long and narrow graphene nanoribbons with semiconducting properties, opening doors for technological applications in advanced switching devices and spintronic systems. The study's success demonstrates a breakthrough in carbon-based nanomaterials.
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.
RMIT researchers have found that the liquid-solid boundary can fluctuate back and forth, with metallic atoms near the surface breaking free from their crystal lattice. The phenomenon occurs at unexpectedly low temperatures and is observed up to 100 atoms in depth.
Researchers at Rice University have developed a custom-built miniaturized chemical vapor deposition (CVD) system that can observe and record the growth of 2D MoS2 crystals in real-time. Through advanced image processing and machine learning algorithms, they were able to extract valuable insights into the growth processes of these mater...
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.
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 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.
Researchers grew a twisted multilayer crystal structure, discovering a new quantum electronic property that could appear within the three-layer structure. The discovery opens up new experiments to explore new material properties and potentially lead to brand new material discoveries.
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 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 IISc create a novel technique to coat droplets in composite shells containing oil-loving and hydrophobic particles. This method offers flexible shell thickness control over a wide range, enabling the encapsulation of droplets with different sizes.
The team created an ultraclean transfer process using a hybrid stamp, resulting in atomically clean interfaces and minimal strain. This breakthrough enables the commercialization of 2D material-based electronic devices with novel hybrid properties.
Researchers have developed a new synthesis method that controls the temperature and duration of the crystallization process to produce 2D halide perovskite layers with ideal thickness and purity. This breakthrough improves the stability and reduces the cost of solar cells, making them a viable option for emerging technologies.
A team of researchers at Hokkaido University has developed a new method to synthesize layered lithium cobalt oxide (LiCoO2) at low temperatures, reducing synthesis time from hours to minutes. The hydroflux process produces crystalline LiCoO2 with properties only marginally inferior to commercially available materials.
Advances in VR display technology have overcome the 'screen door effect' by introducing 2117 PPI LCDs with high partition mini LED backlighting. This enhances contrast, color accuracy, and viewing angles, making VR experiences more immersive.
GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.
Researchers used X-ray tomoscopy to study freeze casting processes, observing the formation of complex, hierarchically structured materials with large surface areas. The technique provided high spatial and temporal resolution, revealing the dynamics of directional ice crystal growth and the formation of organic-looking structures.
Printable electronics have potential in solar power and LED screens but face challenges in scalable manufacturing. Professor Adam Printz is using a new RAPID printing process to examine fundamental characteristics and advance the field.
Researchers at the University of Tennessee have developed a vegan way to prevent freezer burn and ice damage by breaking down soy proteins into peptides that slow ice crystal growth. The study, published in ACS Journal of Agricultural and Food Chemistry, shows promise for preserving frozen vegan foods.
A new technique allows for the precise growth and placement of halide perovskite nanocrystals, enabling the creation of functional nanoscale devices such as nanoLEDs. This breakthrough could lead to applications in optical communication, computing, and display technology.
The prize recognizes the duo's discovery that topology can classify compounds, similar to the Periodic Table. They have predicted and designed thousands of new topological compounds and experimented with many of these.
Researchers developed a polarization-angle-resolved Raman microscope to visualize disorder effects on ferroelectric polarization. The study reveals slow response of nanometer-scale electric polarization, enabling significant charge storage and enhanced dielectric properties.
Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.
Researchers at City University of Hong Kong have developed a multifunctional additive that improves the efficiency and stability of perovskite solar cells by modulating film growth. The additive reduces defects, leading to higher power conversion efficiency and lower energy loss.
A team of researchers has observed nanoparticles self-assembling and crystalizing into solid materials in real time, revealing the growth process at nanometer resolution. The findings have implications for designing new materials, including thin films for electronic applications.
A new solid-state crystal growth (SSCG) technique has been developed to manipulate materials' properties by controlling crystallographic orientation. This method allows for large single crystals with desired orientations to be grown easily and inexpensively.
Researchers have made progress toward fast-charging lithium-metal batteries by growing uniform lithium crystals on a lithiophobic nanocomposite surface. This approach enables charging in about an hour, competitive with today's lithium-ion batteries and overcoming a significant roadblock to widespread use.
A University of Houston engineer has made a groundbreaking discovery that could improve pharmaceuticals by controlling the growth of ammonium urate crystals. By manipulating tautomers, researchers found that a small fraction can control crystal growth, potentially preventing crystallization and related health issues.