Articles tagged with Transition Metals
Researchers have successfully created a stable armchair-like hexazine N6 ring in tungsten hexanitride under high-pressure conditions. The compound, WN6, exhibits exceptional hardness and toughness, making it a promising candidate for high-energy-density materials.
The study reveals that a complex salt of bismuth hexabromide is the true active photocatalytic species involved in Bi2O3-driven atom-transfer radical addition (ATRA) reactions. This finding paves the way for more efficient and sustainable catalysis in organic transformations.
Researchers at Tokyo Metropolitan University have created a way to mass-produce atomic-scale nanowires of transition metal chalcogenides, paving the way for industrial deployment in next-gen electronics. The scalable synthesis method enables the production of centimeter-sized wafers with highly crystalline and ordered wires.
Researchers developed a new method to synthesize unconventional nanoalloys composed of immiscible metals, which showed superior performances in electrocatalytic reactions. The approach uses vapor-source technology and allows for control over composition and size, enabling the creation of cost-effective, highly active, and durable elect...
Researchers at Kazan Federal University have developed oil-soluble transition metal-based catalysts to reduce viscosity and contaminants in heavy oils. The study shows promising results, with potential applications in aquathermolysis reactions and heavy oil recovery.
Scientists have synthesized brand-new transition metal carbonyl complexes, including Ta2(CO)12 and M(CO)7+, which transcend new chemical frontiers. These substances go beyond current compound limits, offering new possibilities for practical use and basic science research.
A team at Tohoku University has discovered a new principle for room-temperature superionic conduction, enabling the creation of safer and more energy-dense batteries. By using pseudorotation of transition metal hydride complexes, they achieved lithium ion conductivities of up to 79 mS cm^-1 at room temperature.
Researchers from USTC applied moiré engineering to correlated transition metal oxides (CTMOs), realizing electronic modulations with mesoscale patterns. This breakthrough enables spatially patterned electronic textures on demand in strained epitaxial materials, providing a new route for achieving novel properties.
Researchers at MIT used machine learning to streamline the discovery process for new materials, narrowing down 3 million candidates to eight promising options in just five weeks. The neural network was able to predict properties and optimize criteria, improving upon conventional analytical methods.
Researchers from the University of Münster have developed a novel approach to allyl functionalization using radical chemistry, generating π-allylpalladium complexes through visible light activation. The method has been shown to be highly selective and sustainable, with over 60 examples demonstrating its utility in various applications.
Researchers at the University of Warwick have isolated transition metal compounds of nitrous oxide, which provide clues into its potential use in sustainable chemical technologies. The discovery offers a valuable reference point in the field and is likely to stimulate future catalyst developments.
Researchers successfully produce bulk quantities of well-isolated single nanowires of TMM, which are only 3 atoms wide in diameter and 50 times longer than previous attempts. The team finds that isolated nanowires exhibit unique mechanical properties, including twisting when perturbed.
Experts at the University of Nottingham have achieved time-resolved imaging of atomic-scale dynamics and chemical transformations using metal nanoclusters. The study ranks 14 different metals in order of their bonding with carbon and catalytic activity, providing new insights into nanocatalyst behavior.
A research team at USTC developed a facile method for preparing functional carbon materials from small organic molecules. The transition metal-assisted carbonization process produces CMs with high carbon yield, desired microstructures, and abundant heteroatoms.
Researchers successfully predicted a non-metallic nitrogen-rich tungsten nitride, h-WN6, with exceptional hardness (57 GPa) and thermal stability. The material exhibits high energy density, making it a potential candidate for advanced applications.
Researchers from Xiamen University have synthesized cyclic ruthenium carbyne complexes with an unusually low carbyne carbon angle, showcasing their good stability and unique ambiphilic reactivity. The discovery provides a valuable complement to the chemistry of metal carbynes.
Researchers at Argonne National Laboratory have found that protactinium shares chemical similarities with both actinides and transition metals, revealing a unique intersection of their properties. This discovery could lead to novel applications for these elements and a deeper understanding of the periodic table.
A team of researchers from the University of Utah has investigated the bond dissociation energy property in transition metal silicides, including precise values for six specific compounds. The new method provides an accurate means of estimating bond dissociation energies, with smaller uncertainties than previous approaches.
Researchers at UNIST have successfully developed a new anode material for solid oxide fuel cells (SOFCs) that can operate on hydrocarbon fuels, offering improved stability and reduced production costs. The breakthrough enhances the potential for commercialization of SOFCs, which could achieve efficiency higher than 90%.
Researchers discovered a new class of catalysts that enables ammonia synthesis under mild conditions, with LiH playing a crucial role. The discovery breaks the linear scaling relations between activation energy and binding strength, allowing for unprecedented high NH3 synthesis activities at low temperatures.
Researchers at Boston College have developed a new type of cross coupling chemical reaction using a third reactant, expanding on the pioneering Suzuki-Miyaura coupling method. The resulting 'conjunctive' reaction takes place efficiently and offers high selectivity.
Physicists from India reveal Ti-V alloys' superconductivity is influenced by local magnetic fluctuations and spin fluctuations. The competition between these fluctuations and electron-phonon interaction determines the superconducting temperature threshold, contradicting previous assumptions.
A team of researchers from Berkeley Lab has made the first in situ electronic structure observations of a metal-organic framework (MOF) as it adsorbs carbon dioxide gas. The study demonstrates the effectiveness of Near Edge X-ray Absorption Fine Structure (NEXAFS) spectroscopy in probing MOF chemistry and gas adsorption.
Paul Chirik has been recognized with the NSF's Early Career Award for his innovative work in synthetic chemistry. His research focuses on using transition metal complexes to expand the scope of chemical reactions, leading to the discovery of a new method for activating atmospheric nitrogen.
Researchers at Penn State Energy Institute have developed a new process for removing organic sulfur from hydrocarbon fuels using low-temperature and pressure methods. The SARS process selectively adsorbs sulfur on metal species without affecting aromatic compounds.
Researchers use ultrashort laser pulses to activate a critical surface reaction, allowing for the oxidation of CO molecules on transition metal surfaces. This novel approach enables the system to rapidly transfer energy into the oxygen-metal bond, outpacing desorption processes and unlocking new chemical pathways.