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Breakthrough in blending metals

Researchers at Tokyo Institute of Technology have developed a method to synthesize multimetallic clusters with precise control of size and composition, opening up new possibilities for advanced functional materials. The team successfully formed clusters composed of up to six metal elements, including platinum.

SourceTokyo Institute of Technology·JournalNature Communications·DateSep 24, 2018

How a tetrahedral substance can be more symmetrical than a spherical atom: A new type of symmetry

Researchers at Tokyo Institute of Technology have demonstrated that special tetrahedron nanostructures composed of certain metals can exhibit a higher degree of symmetry than spherical atoms. This new type of symmetry may lead to unprecedented electrical and magnetic properties, enabling the creation of novel electronic materials.

SourceTokyo Institute of Technology·JournalNature Communications·DateSep 14, 2018

At last, a simple 3D printer for metal

Researchers have developed a new approach to 3D printing metals, using metallic glasses, which can produce solid, high-strength metal components with minimal processing. The technique eliminates the need for expensive and complicated support structures, making it more practical and commercially viable than current methods.

SourceElsevier·JournalMaterials Today·DateSep 4, 2018

Researchers highlight neglected evidence on the cardiovascular risks of toxic metals

A comprehensive analysis found associations between exposure to toxic metals and increased risk of cardiovascular disease and coronary heart disease. The study's authors call for attention to metals as a significant source of cardiovascular risk, highlighting the need for population-wide strategies to minimize exposure.

Breaking down the Wiedemann-Franz law

Researchers at ETH Zurich explore the coupling between heat and particle currents in a gas of strongly interacting fermionic atoms. They found an order of magnitude below predictions of the Wiedemann-Franz law, indicating separation of mechanisms responsible for particle and heat currents.

SourceETH Zurich Department of Physics·JournalProceedings of the National Academy of Sciences·DateAug 10, 2018

Rediscovering the sources of Egyptian metals

Researchers analyzed copper-based artifacts to understand provenance and production of Egyptian metal objects, finding signs of localized ore sources and diverse metal origins. The findings offer new insights into ancient Egyptian metallurgy and supply networks, highlighting the importance of ongoing research.

SourceElsevier·JournalJournal of Archaeological Science·DateAug 7, 2018

'Strange metals' just got stranger

Researchers at Florida State University's National High Magnetic Field Laboratory have discovered that cuprates, known for their unique behavior, carry current in a non-conventional way. The study reveals that the electrons seem to cooperate as they move through the material, contradicting the widely accepted understanding of conventio...

SourceFlorida State University·JournalScience·DateAug 2, 2018

Better way found to determine the integrity of metals

A new AI model developed by researchers at the University of Waterloo can accurately detect atomic structures in metals, leading to greater confidence in determining their integrity. The system uses deep learning and generates images of defects to produce a highly effective algorithm for identifying various types of crystal structures.

SourceUniversity of Waterloo·JournalNature Communications·DateJul 30, 2018

Modern alchemists are making chemistry greener

Researchers at Princeton University have found a revolutionary approach using cobalt and methanol to produce an epilepsy drug, replacing toxic rhodium and dichloromethane. The new reaction is faster, cheaper, and more environmentally friendly, offering distinct advantages over traditional methods.

SourcePrinceton University·JournalScience·DateJun 14, 2018

Rutgers physicists create new class of 2D artificial materials

A Rutgers-led international team of scientists has verified a 53-year-old theory on ferroelectric metals, creating a new class of two-dimensional artificial materials that exhibit ferroelectric-like properties at room temperature. These findings have the potential to spawn a new generation of multi-functional devices and applications.

SourceRutgers University·JournalNature Communications·DateJun 11, 2018

Diverse metals mix it up in novel nanoparticles

Scientists have developed a method to combine up to eight different metals in a single nanoparticle, creating stable alloys with useful applications in the chemical and energy industries. The new technique uses shock waves to heat and cool the metals, producing homogeneous nanoparticles with broad catalytic properties.

SourceJohns Hopkins University·JournalScience·DateApr 4, 2018

Removing heavy metals from water

Researchers have developed a new method for removing heavy metals like lead and mercury from water using metal organic frameworks (MOFs). The MOF composite can quickly and selectively remove high amounts of toxic materials from real-world water samples, down to levels deemed drinkable by health organizations.

SourceEcole Polytechnique Fédérale de Lausanne·JournalACS Central Science·DateMar 14, 2018

Removing heavy metals from water with MOFs

Researchers developed a water-stable MOF/polymer composite that can remove over 1.6 times its own weight of mercury and 40% of its weight in lead from contaminated water samples. The material was tested in solutions with lead levels similar to those found in Flint, Michigan, and reduced lead concentrations to 2 parts per billion.

SourceAmerican Chemical Society·JournalACS Central Science·DateMar 14, 2018

The element of surprise

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.

SourceDOE/Argonne National Laboratory·JournalNature Communications·DateMar 14, 2018

Lifespan of fuel cells maximized using small amount of metals

KAIST researchers have developed a new technique to improve the chemical stability of electrode materials in solid oxide fuel cells. By employing a small amount of metals, they can extend the lifespan of these energy technology devices. This innovation has the potential to improve the long-term performance and durability of fuel cells.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalEnergy & Environmental Science·DateJan 17, 2018