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Materials news, September 2019

A new model shows how rubbing two objects together produces static electricity by bending tiny protrusions on the surface of the objects.

Researchers have built and tested a photonic topological insulator with edges that can be redefined on the fly for routing photons around each other.

Only around 1% of the surface area of the electrodes in organic solar cells needs to be electrically conductive for them to be fully effective.

mechanically-triggered origami-inspired approach creates complex three-dimensional structures for biomedicine, electronics or robotics

Researchers have replaced the expensive metals and traditional liquid electrolyte in lithium-ion batteries with iron fluoride and a solid polymer.

Imperfections and electrochemically driven silicon-lithium alloying reactions allow a new silicon-based metamaterial to deform to order.

Researchers have used computational techniques to identify 43 previously unknown forms of carbon that are thought to be stable and superhard.

coating based on a metal-organic framework containing silver nanoparticles could reduce spread of bacterial contamination of surgical devices and surfaces

A novel nanocomposite comprising bacteria-generated tellurium nanorods embedded in a polymer makes an effective nonlinear optical material.

Researchers have identified a new electron wave in cuprates that could help reveal some of the mysteries of superconducting materials.

Scientists have developed a highly durable fuel cell catalyst by using selenium to anchor platinum particles to their carbon support material.

Scientists have discovered a long-sought ‘quantum spin liquid state’ in sodium ytterbium oxide, which could prove of use for quantum computing.

Researchers report the first direct observation of transition carriers between different localization states within indium gallium nitride.

Researchers have developed a novel method for removing lattice defects from crystals, which they successfully tested on a boron crystal.

Physicists have found that incorporating individual metal atoms into a surface in the right way allows the creation of single-atom catalysts.

A structural transition in a ferroelastic material caused by heating resembles the periodic doubling seen in non-linear dynamical systems.

By taking advantage of the nanomaterial graphene, scientists have developed the smallest ever accelerometer for measuring acceleration.

A novel algorithm can identify MOF pairs able to connect to one another via the metal node on one binding with the organic linker on the other.

Blackest ever carbon nanotube coating

Graphene composite for terahertz astronomy

Scientists have managed to make the first nickel oxide material, or nickelate, that shows clear signs of superconductivity.

Computing superhard materials

Four steps to a stable n-type organic semiconductor

A novel de-icing technique uses an electric pulse to melt the ice where the surface and the ice meet, so the ice can simply slide off.

Graphene can provide a two-fold defense against mosquito bites, by acting as a physical barrier and blocking chemical signals.

By focusing on uncertainty, a new algorithm can identify the most effective experiment to conduct for analyzing and developing new materials.

Scientists have developed a practical method for measuring the conductivity of a single carbon nanotube, by splitting it into two halves.

Physicists have discovered that electrons continue to travels in pairs in copper oxide superconductors even above their critical temperature.

Using polymer aqueous solutions with different electrical charges, scientists have developed a novel 3D printing water-in-water technique.

Acoustic modification of collagen hydrogels facilitates cellular remodelling

Researchers have developed a mathematical framework that can turn any sheet of material into any prescribed shape, using the paper craft kirigami.

Researchers have shown that a few layers of 2D materials can provide the same insulation in electronic devices as a sheet of glass 100 times thicker.

Engineers have developed a transistor made from linen thread, by coating the thread in carbon nanotubes and immersing it in an electrolyte gel.

A newly developed organic material can produce two long-lasting excitons from a single photon of light to increase the efficiency of solar cells.

Researchers have shed light on how cuprates can simultaneously exhibit superconductivity and charge order in patterns of alternating stripes.

Electronic robotic skin device sends information back to the user

RF heating could be ten times faster than two-point-probe measurements

Researchers have created 2D flakes made up of domains of molybdenum diselenide and rhenium diselenide with a sharp divide between them.

graphene oxide offers a new way of delivering growth factors to 3D scaffolds supporting the regeneration of damaged cartilage

carbon nanocomposite aptasensor offers an innovative platform for quick and simple TB detection in clinical applications

By taking advantage of highly fluorinated organic compounds, chemists have developed a cheap and sustainable method for patterning metals.

Gold nano sheets for flexible electronic applications

Nanocomposite telecom switches could help expand broadband

Researchers have found that better graphene oxide (GO) ‘paper’ can be made by mixing strong, solid GO flakes with weak, porous GO flakes.

Researchers have developed a new method for making highly desirable catalysts from crystalline metal nanoparticles with 24 different faces.

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