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Materials news, February 2018

Novel smart material stiffens up when stressed

A novel material made of liquid-metal particles embedded in a rubbery elastomer can stiffen by up to 300% when subjected to mechanical stress.

Sapphire substrate controls crystal growth over large areas

A novel multistep process can fabricate single crystal, atomically thin films of tungsten diselenide across large-area sapphire substrates.

Graphene offers rapid radiation response.

Scientists have found a new state of magnetism that may help them understand the link between magnetism and unconventional superconductivity.

Scientists have written patterns in laser-induced graphene on food and other materials, offering a new way to produce conductive identification tags.

A novel laser-based method can measure stresses and strains in a 2D material, allowing scientists to probe their effect on the material's properties.

Molecules that cling to mitochondria may offer a new approach to treatment and diagnosis of cancer.

A thin film made from iron, cobalt and manganese may have a magnetization density that is 50% greater than a previously considered maximum limit.

Researchers have come up with a new titanium-based material for making lead-free, inorganic perovskite solar cells.

Treating wood to make it a lightweight, high-performance material.

Cheaper and more environmentally friendly solar cells with new perovskite material.

Tandem-repeat synthetic proteins work as proton conductors.

You're invited to attend the Acta Materialia Gold and Silver Award Ceremony!

Memory polymers for light-driven separations.

Researchers have employed the power of the sun to build functional synthetic polymers using photosensitive, semiconducting quantum dots as a catalyst.

A single lens comprising gradient index materials and metasurface layers can focus red, blue and green wavelengths of light to the same point.

Micron-sized spheres coming together under the influence of a spinning magnetic field can be used to model 2D materials and other molecular systems.

A team of chemists has developed a new method for synthesizing nanographenes by zipping up partially fused benzene molecules.

High-resolution magnetic memory.

Professor Terrones is now Editor-in-Chief of Carbon.

Scientists have found that multiple quantum interactions can coexist in a single bismuth-based material and be controlled by an electric field.

A novel metal-organic framework able to adsorb twice its weight in water could control humidity in an eco-friendly and cost-effective way.

A new electron microscopy technique can precisely determine the temperature and temperature-dependent behavior of two-dimensional materials.

By fabricating an ultrathin material known as a thin film structure, scientists have been able to observe a two-dimensional hole gas for the first time.

Scientists have uncovered evidence of rotating vibrations known as chiral phonons in a 2D material, which could be used for new forms of computing.

A lithium-ion battery shaped like the human spine shows remarkable flexibility, high energy density and stable voltage while being flexed or twisted.

Find out more about the 2018 Robert Cahn Award winner.

Interfacing silicon nanosprings for stability.

Computer models show that the right mix of hydrogen bonds is critical for producing polymer and cement composites that are strong, tough and ductile.

Scientists have uncovered gas separation abilities in a 2D material called MXene, which could be incorporated into membranes for purifying hydrogen.

An analytical platform known as MAESTRO can zero in on signatures of exotic behavior by electrons in a 2D material with microscale resolution.

Using a silver nanowire and a 2D material, researchers have found a way to convert electron spin information into a predictable light signal.

Andrea Cavalleri and Keith A. Nelson winners of 2018 Frank Isakson Prize for Optical Effects in Solids.

Researchers have identified a mechanism that triggers shape-memory phenomena in the organic crystals used in plastic electronics.

Scientists have synthesized a novel form of titanium nitride, called titanic nitride, which has promising mechanical and optoelectronic properties.

By employing graphene girders as physical supports, scientists have been able to replace graphite with silicon in the anodes of lithium-ion batteries.

Scientists have developed a new process for encouraging molecules to form complex tiling patterns known as tessellations through self-organization.

A novel inorganic halide perovskite can act as a solar cell material and be reversibly switched between a transparent state and a non-transparent state.

Scientists have greatly reduced the fragility of molten-electrode batteries by replacing the usual ceramic membrane with a metal mesh membrane.

Additive manufacturing enables an improvement in the strength of 316L stainless steel without adversely affecting ductility.

A tiny tube made of protein-like molecules called peptoids that rolls up and zips closed could be used for various applications including water filtration.

Scientists have produced the the first truly planar sample of stanene, an atom-thick sheet of tin atoms, by growing it on an alloy of silver and tin.

By combining two different types of silicone, researchers have been able to produce silicone parts with complex geometries by 3D printing.

Engineers have created a method for systematically designing metamaterials using the principles of quantum mechanics.

Two advances promise to expand the possible uses of graphene oxide-based membranes in purification and filtration technologies.

Lining up gold or silver nanocubes in edge-to-edge configuration improves sensitivity performance in molecular sensing.

‘Dual-mode’ radiative thermal management textile can provide both warming and cooling.

A scaffold made of crumpled graphene balls can prevent the formation of dendrites in lithium metal batteries while withstanding volume changes.

A thin layer of fullerene molecules allows electrons to travel further than previously thought possible in organic solar cells and organic semiconductors.

Ordering C-S-H mesocrystals using polymeric binder creates strong and flexible hybrid material.

Inks based on graphene and other two-dimensional materials enable the printing of washable and biocompatible electronics on cotton and polyester textiles.

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