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Materials news, April 2020

Elastomers that replicate complex twisting action just through the use of light

Scientists have discovered that impurities at grain boundaries are responsible for impeding the flow of ions through solid electrolytes.

Using rapid, powerful bursts of light, scientists have uncovered evidence of Rashba effects in bulk organometallic halide perovskites.

Researchers have found that they can switch Weyl points between two different states in a novel antiferromagnetic manganese-tin alloy.

By stretching hexagonal boron nitride, scientists have obtained the largest spectral color-tuning range from an atomically thin quantum system.

Researchers have created a self-adapting material that can change its stiffness in response to an applied force by incorporating minerals.

Researchers have developed a carbon nanotube-based sensor that can track how plants respond to stresses such as injury, infection and light damage.

The traps that capture charge carriers in perovskite crystals occur at the boundaries between distorted grains and pristine grains.

Neural networks search the periodic table for superconductors

data can be written and erased in novel light-emitting hybrid combining bioimaging organic dyes and luminescent solid-state metal clusters

Researchers have uncovered a new material able maintain its skyrmion properties at room temperature when exposed to high pressures.

Researchers have discovered that polymers filled with carbon nanotubes could improve how unmanned military vehicles dissipate energy.

Using 3D laser printing, researchers have fabricated plate-based carbon nanolattices that are stronger than diamond.

The transition of iron sulfide into a magnet can produce changes in its crystalline structure that cause it to switch from a conductor to an insulator.

Zinc-loaded particles might have the potential to fight breast cancer

biocompatible drug-carrying nanofiber that splits into tiny nanoparticles once inside the body could offer a new strategy for anticancer therapy

Researchers have designed a novel liquid crystal elastomer that can be ‘programmed’ to both twist and bend in the presence of light.

Researchers have developed an hexagonal silicon-germanium alloy that can emit light, which could prove of great use for photonics.

Researchers can monitor batteries by sending electrical pulses into them and then processing the response with a new machine-learning algorithm.

The coronavirus pandemic highlights the importance of testing for viruses; a simple physical procedure might make it easier, cheaper and quicker

Adding a low concentration of a 2D tin-based perovskite to a 3D version in solution produces a stable and efficient photovoltaic thin film.

Researchers have developed a novel machine-learning algorithm for quantitatively characterizing material microstructure in three dimensions.

Scientists have uncovered evidence for the presence of Majorana particles on the surface of the unconventional superconductor uranium ditelluride.

new material for electrochemical sensing of hydrogen peroxide based on platinum dichalcogenide promises outstanding performance

By using a laser to fabricate nanoscale patterns, researchers could potentially make the surface of metals such as copper lethal to bacteria.

Scientists have created a flexible membrane from a normally brittle complex oxide, and shown that stretching can change its electronic properties.

‘bio’ yarn made from human cells can be braided, knitted, or woven into medical devices or scaffolds that don't elicit an immune reaction

Scientists have uncovered evidence that a state of matter known as a pair density wave coexists with superconductivity in a cuprate superconductor.

Triboelectric energy harvesters get a boost from Georgia Tech

Indium-carbon bonding for catalysis

A new study shows that samarium sulfide expands at low temperatures due to electrons moving into the outermost shell of the samarium atoms.

A novel neural network was able to reduce the time needed to discover promising materials for a flow battery from 50 years to five weeks.

Researchers have shown how different temperatures can be used to create different products from biohydrogels depending on their intended application.

By combining a conducting polymer, rubber and an ionic liquid, researchers have produced a conducting, flexible organic composite.

When heated, a novel photonic crystal appears to emit more coherent light at infrared wavelengths than can be explained by Planck's Law.

Researchers have found that crumpling graphene makes it more than 10,000 times more sensitive to DNA by creating electrical ‘hotspots’.

Composite metal foams have passed so-called ‘simulated pool fire testing’, which indicates they could be used for transporting hazardous materials.

Scientists have developed an artificial photosynthesis system that utilizes nanotubes made of layers of cobalt oxide, silica and titanium dioxide.

Sheets that are just a single molecular layer thick could be used to detect toxic gases

Researchers have shown that the crystal structure at the surface of semiconductor materials can make them behave like metals and even superconductors.

Researchers have demonstrated that solar cells made from organic materials may be better than traditional silicon solar cells for use underwater.

Researchers have created a new rubber-like material based on plexiglass that could act as a replacement for human tissue in medical procedures.

Utilizing 'hybrid data', a new analytical technique can improve the estimation of mechanical properties of metallic materials from indention tests.

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