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Metals and alloys news, January 2018

Layered material proves to have handy electronic structure

Scientists have used spiraling X-rays to observe, for the first time, chirality, or handedness, in swirling electric patterns in a layered material.

Tin-based perovskite solar cells can hold on to hot electrons

A new tin-based perovskite solar cell allows 'hot' electrons to retain their high energy levels for longer than usual, which could help produce more power.

Scientists have witnessed the concentration of lithium inside individual nanoparticles in a battery electrode reverse during power generation.

A novel 3D printing method can yield unprecedented control over the arrangement of short fibers embedded in polymer matrices.

The MPIF has reported the death of Stanley (Stan) Abkowitz recently at the age of 90.

For the first time, researchers have compared measurements of a class of metals produced by neutron scattering with realistic theoretical calculations.

A scientist from South Korea has reportedly developed technology for reinforcing metal matrix composites with carbon nanotubes.

A nanostructure made from a fluoropolymer and metal oxide materials allows thin-film transistors to operate with unprecedented stability.

Photocatalyst based on titanium dioxide can turn carbon dioxide into usable fuel and reduce atmospheric carbon dioxide.

Scientists have developed a water-absorbing metal-organic framework that can suck up to twice its weight in atmospheric moisture.

Researchers have discovered a way to flip an iron-based superconductor between superconducting and non-superconducting states using a microscope.

Researchers have found a way to produce a two-dimensional electron gas between insulating oxides on the semiconductor gallium arsenide.

A crystal with an exterior case surrounding a rotating axis is the first proof that a single material can be both static and moving, or amphidynamic.

The European Powder Metallurgy Association (EPMA) has launched a new training course to help support and develop the powder metallurgy sector.

An innovative platinum and copper alloy catalyst can convert methane from shale gas into hydrocarbon fuels without becoming coated in carbon.

The topological insulator trisodium bismuthide can be as electronically smooth as the highest-quality graphene-based devices.

By conducting systematic studies, researchers have provided a quantitative picture of how surface conditions control the growth of metal nanocrystals.

Researchers have developed the first single metalens able to focus the entire visible spectrum of light in the same spot and in high resolution.

A method for encapsulating metals such as dysprosium and copper in a single layer of graphene could produce materials with novel properties.

The transfer of energy from nanomaterials to molecules can go both ways, causing the nanomaterials to photoluminesce over long timescales.

Quantum effects allow samarium nickelate to mimic a shark's sixth sense, by detecting minute electric fields in salt water.

Read our latest series and find out about materials science researchers in New Zealand and Australia.

The EPMA reports that the Abstract Submission Deadline for the Euro PM2018 Congress and Exhibition is 24 January 2018.

Scientists have engineered ‘artificial graphene’ by replicating, for the first time, the electronic structure of graphene with semiconducting materials.

A nanotextured surface on a stainless steel alloy, produced by an electrochemical etching process, can kill bacteria while not harming mammalian cells.

Researchers have found a simple way to deposit magnetic iron oxide nanoparticles onto silica-coated gold nanorods for biomedical applications.

A new method based on vaporizing a frozen solution with a laser can create hybrid thin-film materials that would otherwise be impossible to make.

Novel bioactive nanocomposite hydrogel based on hyaluronic acid and self-assembled bisphosphonate-magnesium nanoparticles facilitates bone regeneration.

A new technique for 3D printing metals, which utilizes ultrafast cooling, can produce components with exceptional levels of strength and ductility.

Using analytical techniques, scientists have discovered how the atomic structure of lithium-rich battery cathodes evolves during charging and discharging.

Scientists have determined the mechanisms that cause tiny wires of molybdenum disulfide to extend into tungsten diselenide at their interface.

Scientists have produced a ‘topological excitonic insulator’ for the first time by cooling stacked semiconductors to below 10K.

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