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Materials news, October 2020

Researchers have grown twisting spirals by depositing sheets of 2D material on a substrate that was curved slightly by slipping a nanoparticle underneath.

Inspired by snake vision, researchers have developed a mathematical model that reveals how to convert soft structures into pyroelectric materials.

Researchers have trained a neural network to understand which polymer properties arise from different molecular sequences.

Researchers have shown that hydrogen peroxide can act as a 'magic' chemical for producing 2D materials with sharp, defined edges.

Using a magnetic liquid and hydrogels, researchers have demonstrated a new way to rebuild complex body tissues such as cartilage.

By placing tiny aggregates of cells inside yield-stress gels, researchers have shown they can print biological tissue in complex 3D shapes.

Researchers have developed an electrochemically assisted membrane whose permeability to gases such as carbon dioxide can be switched on and off at will.

Researchers have discovered that antimony impurities enhance the efficiency of thermoelectric materials by introducing crystal distortions.

Dissipating heat in electronic devices with graphite films

Thermochemical energy storage for renewable energy

A novel current collector for lithium-ion batteries, comprising a copper-coated polymer, weighs 80% less and can also help prevent battery fires.

polymer scaffolds embedded with magnetic nanoparticles trigger stem cell differentiation and tendon regeneration

New solar cell design improves their ability to absorb light

By adding a zeolite and tweaking the design, researchers have boosted the output of a system that can extract drinkable water directly from the air.

Bacterial biofilms can mechanically disrupt tissue means they could damage their host without using toxins

A new type of topological insulator can efficiently propagate an exotic form of quasiparticle known as an exciton-polariton at warmer temperatures.

For the first time, researchers have produced superconductivity at room temperature by compressing a hydrogen-rich material at extremely high pressures.

Researchers have developed a new magnetic material that, together with a special process to access it, can offer greater data storage densities than ever.

By positioning a metallic probe over a defect in a 2D semiconductor, researchers were able to electrically trigger emission of a single photon.

A novel deposition method that utilizes liquid gallium is able to produce very large-scale 2D molybdenum disulphide without any grain boundaries.

Engineers have developed a method for spraying nanowires made of a plant-based material called methylcellulose onto 3D objects.

A new method for testing fatigue in metals at a microscopic scale can predict when early, localized damage will evolve into cracks.

Twisted stacks of bilayer graphene can exhibit highly correlated electron properties, which likely relates to the emergence of exotic magnetic states.

Researchers have discovered a variety of exotic electronic states, including a rare form of magnetism, in a twisted three-layer graphene structure.

By utilizing a soap-like film, researchers have managed to print organic semiconductor films on a special surface that is highly solution-repellent.

Applying strain to tiny needles of diamond can transform their electronic properties from insulating, through semiconducting, to highly conductive.

Multilayered solar panels with pristine interfaces have the potential to be 1.5 times more efficient than traditional silicon panels.

Using a simple vapor treatment, researchers have transformed a photoinactive material in perovskite solar cells into a photosensitive version.

Using experiments and simulations, researchers have identified the configurations of dislocations that give rise to desirable properties in a model alloy.

Researchers have developed electronic blood vessels that are flexible and biodegradable by simply rolling up metal-polymer conductor membranes.

light-activated bioadhesive bonds tissue together in wet or dry conditions

By using chelating ligands to incorporate metal ions into elastomers, researchers have created novel materials for repairing biological tissue.

The natural world is proving a useful resource for building biocompatible and environmentally friendly bio-based devices

A novel machine-learning algorithm has rapidly rediscovered rules governing catalysts that took humans years of difficult calculations to reveal.

A new computer model can simulate the networks of force-carrying particles that give amorphous materials such as glass their strength.

Jacket required for wearable power

The building blocks of smart industry

Electrically controlled micro wrinkles

For the first time, researchers have devised a process for the self-assembly of colloids in a diamond formation, which could be used for filtering light.

By stitching together short segments of graphene nanoribbons, researchers have created a conducting metal wire made entirely of carbon.

3D printing of composite parts makes counterfeiting easier

The movement of oxygen in a perovskite material covered in iron nanoparticles can switch it between highly catalytic and less catalytic states.

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