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Materials news, August 2022

A bit of brushing clears dendrites away

Researchers have shown that brushing metal powder into the lithium anodes in rechargeable batteries can prevent the formation of damaging dendrites.

A novel coordination polymer based on lead and sulfur can act as an efficient photocatalyst for converting carbon dioxide to formate.

Researchers have developed a method for producing high-strength carbon fiber from chemically modified lignin and polyacrylonitrile.

Irradiating a topological insulator with circularly polarized laser light can generate harmonics that reveal information about its quantum properties.

Researchers have discovered that a long-standing theory can only explain around 50% of the superconductivity in a copper oxide superconductor.

Using a film of gallium nitride, researchers have developed a wearable sensor that communicates wirelessly without requiring onboard chips or batteries.

Using thin-film metal oxides and perovskites, researchers have created fuel-producing artificial leaves that are light enough to float on water.

Researchers have devised a new machine-learning method for creating color-coded graphs of large volumes of data from X-ray analysis.

Making surfaces superhydrophobic without using chemicals

Researchers have discovered that piezoelectricity can be generated at the junction between metallic and semiconducting phases in a 2D material.

Researchers have developed a low-cost optical microscopy technique for studying lithium-ion batteries in real time and under realistic conditions.

novel precursors diethanolamine (DEA) and L-ascorbic acid (AA) in spray pyrolysis produces better cuprous oxide (Cu2O) thin films for electronics

For the first time, researchers have used photons and electron spin qubits to control nuclear spins in a 2D material.

By chemically modifying the surface of the 2D material MXene, researchers have created an effective material for absorbing mercury from water.

extremely sensitive MOF-based sensor meets the urgent need for detection of ultra-trace gas-phase radioactive iodine

Researchers have discovered a new strain-based mechanism that can increase both the strength and ductility of high-entropy alloys.

Researchers have developed a hydrogel that is stronger and more durable than natural cartilage, making it ideal for use in knee implants.

Researchers have developed a novel polymerization technique that can control the molecular weight of polymers.

Using electron microscopy, researchers have identified the reasons why zinc-based battery systems often fail.

Researchers have printed structures that use air-filled channels to sense how they are moving and interacting with the environment.

Researchers have developed a transistor made from graphene and the polymer nafion that can operate like synapses in the brain.

Addition of graphene gives running shoes a boost

Using melamine to efficiently capture CO2 from flue gases

Polymer computing chip tracks health in real time

Using sandpaper and a selection of powders, researchers have come up wth a simple method to make surfaces superhydrophobic.

Choosing the right natural fibre can have a big impact

Using an inexpensive polymer called melamine, researchers have created a cheap, easy and energy-efficient way to capture carbon dioxide.

Researchers have developed a new way to probe the atomic-scale defects created inside materials by assessing the amount of energy stored within them.

Researchers have 3D-printed a dual-phase, nanostructured high-entropy alloy with both high strength and ductility.

Researchers have shown that molybdenum vanadium oxides with large channels make an ideal electrode material for calcium-ion batteries.

Researchers have shown that adding shrimp-derived nanocrystals and nanofibers of chitin to cement can increase its strength by up to 40%.

new concept for lead-free X-ray shielding material based on two-dimensional antimonene

Researchers have discovered that, unlike cuprates, nickelates are magnetic in both their superconducting and non-superconducting states.

By applying a 19th-century color photography technique to holographic materials, researchers were able to print large-scale images onto elastic materials.

gold nanoparticles combined with a fluorescence dye improve the in vivo detection of Aβ aggregates for early diagnosis of Alzheimer's disease

Researchers have designed a machine-learning method that uses symmetry to predict the structure of materials from their constitutive elements.

By modulating the thermal switching temperature of block copolymers, researchers have come up with a novel way to cool electronic devices.

Using a graphene liquid cell, researchers have, for the first time, managed to capture images of single atoms ‘swimming’ in liquid.

Using neutron scattering, researchers have, for the first time, discovered a a novel state of matter called a spiral spin liquid in a 2D material.

Researchers have developed an improved method for making a new type of semiconductor that is a few atoms thin and can interact with light.

For the first time, researchers have detected a type of quantum matter called charge density waves in a nickel oxide superconductor.

Researchers have unexpectedly discovered that tetrahedron-shaped gold nanoparticles can arrange themselves into 2D chiral superstructures.

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