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Materials news, February 2020

Laser-etched metal improves solar power generation

Nanoscale structures improve on spectral absorption

Chemobrionics aids self-assembly of complex bio-inspired structures for bone regeneration

Scientists have discovered that applying vibrational motion to topological materials can help sustain a persistent spin-locked current on their surfaces.

A new bendable supercapacitor made from graphene can charge quickly and safely store a record-high level of energy for use over a long period.

Researchers have developed a computer model that can predict the thermochemistry of a new high-performance electric solid propellant.

Researchers have found why some topological materials are 'fragile', unable to conduct current on their surface, and how to restore their conductivity.

Bacterial protein nanowires generate electricity using atmospheric moisture

droplet-to-particle spray pyrolysis using charred wood micro-channel reactor produces uniform alloy/oxide nanoparticles

Using a low-powered laser, researchers have been able to fabricate graphene features as small as 12µm onto the surface of a polymer.

stacking ultrathin and complex oxide single-crystal layers for new electronic devices

Perovskite films tend to crack easily, but scientists have now found that those cracks are easily healed with some compression or a little bit of heat.

Researchers have uncovered a layered compound with a trio of properties, including high electronic mobility, not previously known to exist in one material.

Fluidizing catalyst particles in electrolyte instead of gluing them to electrodes avoids a rapid decline in electrocatalytic performance.

Novel bubble-attracting sheets of specially textured mesh can make bubbles collapse as fast as they form, reducing the build-up of foam.

Using two forms of tomography and an algorithm for unrolling papyrus scrolls, researchers have investigated the surfaces of cylindrical electrodes.

Physicists have created novel nanowires by threading conductive tellurium atomic chains through insulating boron nitride nanotubes.

By filtering out the water produced when carbon dioxide is converted to methanol, a novel zeolite membrane can improve the reaction efficiency.

Scientists used a silver sawtooth nanoslit array to produce valley-coherent photoluminescence in 2D tungsten disulfide at room temperature.

A new technique for precisely measuring the concentration of defects in cathodes has revealed that a small amount of defects can enhance performance.

Secondary ion mass spectrometry has confirmed that the solid-electrolyte interphase (SEI) consists of two layers: one hard and one more liquid-like.

A new analysis of neutron scattering data has revealed that the hydrogen atoms in a metal hydride are much more tightly spaced than expected.

Using a peel-away layer of graphene, researchers can produce freestanding ultrathin layers of complex oxides and then stack them together.

A novel co-polymer that can conduct ions and is also highly permeable to oxygen could make an ideal membrane for use in hydrogen fuel cells.

Researchers have discovered that spin fluctuations may bind electrons into the pairs required for high-temperature superconductivity in cuprates.

detecting trapped hydrogen could help design of embrittlement-resistant steels for low-carbon technologies

Researchers have discovered an exotic new form of topological state in a large class of 3D semi-metallic crystals called Dirac semimetals.

Using a novel transmission electron microscope technique, scientists have been able to visualize hydrogen atoms and titanium atoms in a single image.

A novel machine learning algorithm can accurately determine the crystal structure of materials by analyzing electron backscatter diffraction patterns.

A new method for synthesizing covalent organic frameworks has revealed that so-called 'spectator' molecules can form a critical part of their structure.

Researchers incorporated protein pores found in cell membranes at high density into polymer sheets to produce highly efficient filtration membranes.

Researchers have developed a more efficient, safer and cost-effective way to produce large, high purity crystals of cadmium telluride for solar cells.

well-known organic synthesis growth technique is applied to inorganic eutectic composites to control their physical structure

Scientists have discovered that the crystal structure of halide perovskites changes with temperature, humidity and the chemical environment.

A novel technique that utilizes second harmonic generation and dark field imaging can quickly and sensitively characterize defects in 2D materials.

A mix-and-match, modular strategy could produce over 65,000 different types of complex nanoparticles, each comprising up to six different materials.

Researchers have developed an ultra-thin, ultra-flexible, transparent electronic material that can be printed and rolled out like newspaper.

Scientists have found that a coating of alumina can protect the cathodes in lithium-ion batteries by trapping lithium.

A novel metal-organic framework coating for electronic devices can release water vapor to dissipate the heat these devices generate.

The first detailed study into the electronic structure of superconducting nickelates has found that it differs markedly from the related cuprates.

By utilizing cross-linker molecules that form sticky ends when cleaved, researchers have been able to fuse different cross-linked polymers together.

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