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Metals and alloys news, April 2018

Defects prove beneficial for 2D materials

Defects in two-dimensional materials can enhance their physical, electrochemical, magnetic, energy and catalytic properties.

Lithium-ion batteries charge to the next level

Lithium-ion battery technology is starting to reach its physical limits.

Engineers have developed a continuous manufacturing process that can produce long strips of high-quality graphene for use in membranes.

Scientists have discovered that a reaction involving the impurity hydrogen fluoride helps form the solid-electrolyte interphase in lithium-ion batteries.

Artificial intelligence could take just one hour to do fifty years work in searching for glassy, metallic alloys.

Researchers have created a water-based zinc battery that is simultaneously powerful, rechargeable and intrinsically safe.

Using expired drugs to protect metals from corrosion could bring economic and environmental benefits.

Using a multi-layered stack of metal films, researchers have shown that under certain conditions superconductors can also carry currents of 'spin'.

Scientists have developed a model that draws on oxidation kinetics to explain how stress affects the formation and spread of oxide layers in alloys.

Find out about the recipients of the 2018 Outstanding review awards from the Acta Journals.

A novel alloy of iron, chromium and aluminum makes a safer cladding for nuclear fuel rods than conventional zirconium-containing alloys.

An artificial intelligence system has discovered three new metallic glass materials 200 times faster than could be done before.

A novel database of inorganic thin-film materials for energy applications developed by NREL scientists contains more than 140,000 sample entries.

Scientists have witnessed exotic superconductivity in the material ytterbium-bismuth-platinum that relies on highly unusual electron interactions.

Gold nanoparticles are remarkably robust when exposed to very high temperatures, but their atomic structures tend to fluctuate.

Physicists have induced magnetism in platinum by applying an electric field in a paramagnetic ionic liquid, creating a switchable 2D ferromagnet.

A solid oxide protective coating for metals, when applied in sufficiently thin layers, can deform as if it were a liquid, filling any cracks and gaps.

Coating the anode with a solid-electrolyte interphase has allowed the creation of a rechargeable non-aqueous magnesium-metal battery.

A novel method can produce linked networks of metal oxides, held together by boron, that possess interesting catalytic or electronic properties.

Scientists have developed the first technique able to meld ions from up to eight different elements to form high entropy alloyed nanoparticles.

An aluminum-based material can quickly change how it reflects heat, by smoothing or wrinkling its surface after being stretched or electrically triggered.

Scientists have discovered that a barium-iron-arsenic superconductor changes its magnetic properties when put under mechanical strain.

Scientists created an electrically conducting crystal made from layers of iron and tin atoms, with each layer arranged in the pattern of a kagome lattice.

Scientists have furthered their understanding of how, when and where the atoms in molten metal ‘lock’ into place during the production of metallic glass.

When placed between the two electrodes of a lithium-metal battery, a graphene oxide 'nanosheet' can prevent the formation of lithium dendrites.

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