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Metals and alloys news, June 2018

Functional groups can help carry the load

Scientists have discovered how the mechanical properties of MOFs relate to their structure, particularly the role played by functional groups.

Oxygen to blame for Li-ion battery breakdown

Singlet oxygen is confirmed as the reactive species that irreversibly damages transition metal cathode materials in lithium ion batteries.

Scientists have discovered that barium titanium sulfide interacts in different ways with infrared light coming from two different directions.

Scientists have discovered that reactive elements and water combine to create a fast-growing, nanocrystalline oxide scale on high-temperature alloys.

Studies with an electron microscope have revealed that batteries based on sodium and potassium hold promise as an alternative to lithium-ion batteries.

Computer simulations have revealed that certain halide double perovskites could make effective photocatalysts for splitting water.

A new cathode material comprising iron trifluoride nanorods with added cobalt and oxygen could triple the energy density of lithium-ion batteries.

A new hybrid conductive material comprising liquid metal embedded in an elastic polymer can be bent and stretched at will.

Platinum nanoparticles can lower the impedance of graphene electrodes while keeping them transparent for recording neuronal activity.

A new metal-organic framework is the first to selectively and reversibly capture nitrogen dioxide from air at ambient pressures and temperatures.

Elsevier releases 2017 CiteScore values.

Scientists have confirmed a magnetic property known as ‘chirality’ in nanometer-thick samples of amorphous, multilayered metal-based materials.

Using novel analytical techniques, scientists have been able to study the behavior of excitons trapped in quantum wells made of perovskite compounds.

Nominations are being accepted until Friday 15 June 2018.

Scientists have found that the most effective thermoelectric materials can be realized by shaping substances such as tin telluride into 1D nanowires.

Scientists have trained a neural network to recognize features in a material's x-ray absorption spectrum that are sensitive to the arrangement of atoms.

Scientists have developed a blueprint for fabricating new heterostructures from different types of two-dimensional materials.

A material comprising layers of graphene and magnetic metals like nickel can induce exotic behavior in electrons at the interface between the layers.

Applying an electric field to the formation of the ceramic yttria-stabilized zirconia makes it almost as resistant to fracturing as metal.

Atomic force microscopy has revealed the role of atomically thin layers of water in an energy storage material called crystalline tungsten oxide dihydrate.

Physicists have calculated that exposing a topological semimetal to a magnetic field could turn it into a highly efficient thermoelectric material.

A self-healing material made from liquid metal droplets suspended in a soft elastomer can spontaneously repair itself when damaged.

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