Materials news, November 2018

By using multicomponent intermetallic nanoparticles, scientists have developed new high-strength alloys that are both strong and flexible.

A novel X-ray analysis technique has revealed the mechanisms behind resistance at the electrode-electrolyte interface in all-solid-state batteries.

A novel biodegradable polymer that incorporates citrate can provide the extra energy that stem cells need to form new bone tissue.

A new class of carbides containing five different metallic elements are predicted to be among the hardest materials with the highest melting points.

New simulations suggest that modifying graphene with oxygen-lined pores will allow it to act as a tunable filter for ions in a liquid.

A novel hydrogel that naturally adheres to soft tissue like cartilage and the meniscus can withstand mechanical stresses and extensive deformation.

A 3D printing technique can produce intricate structures from a novel, stiff material made from seaweed-derived alginate and graphene oxide.

A macroporous hydrogel made by combining gelatin microgels with an enzyme can allow the passage of cells through it to aid wound healing.

Physicists have found the first evidence for a 2D material that can become a magnetic topological insulator even when it is not placed in a magnetic field.

A silicon photonic crystal with topological geometry can transmit light round corners with virtually no loss at smaller scales than ever before.

Using a specific combination of heating and cooling, researchers have created superalloys that are much more resistant to heat-related failures.

Liquid crystals can template the formation of arrays of polymer nanofibers to produce coatings that are sticky, repellent, insulating or light emitting.

Organic, fire-resistant cladding

The cubic feces of the wombat

Could a new exfoliation method offer a practical route to large-scale production of nanosheets?

better understanding of stability of perovskites will aid application in large-area or flexible solar energy systems

By combining epoxy with graphene foam, scientists have produced a stiff, conductive composite material for electronic applications.

Find out the recipients of the 2018 Extreme Mechanics Letters Young Investigator Award.

Bacteria and graphene nanoribbons help generate electricity on a mushroom

Giant Panda's tooth enamel recovers its micro- and nano-structure and geometry to counteract the early stages of damage

Bone-forming and -resorbing cells prefer nanoparticles of specific size, surface charge, and composition

A 3D, cross-linked polymer sponge that attaches to the anode in lithium metal batteries can help prevent the formation of dendrites.

Sheikhi and colleagues propose a novel micromanufacturing method to produce injectable microporous GelMA made up of annealable microbeads.

Researchers have used 2D materials to construct metalenses that are one-tenth to one-half the thickness of the wavelengths of light they focus.

Scientists have dramatically improved the response of graphene to light by self-assembling a mesh of polymer nanowires that conduct electricity.

By incorporating a network of elastic additives, chemical engineers have increased the flexibility of a conventional organic photovoltaic material.

Hydrogen ions controlled by an electric voltage can be used to change the magnetic properties of a magnetic layer in a spintronics device.

New liquid-gated membrane filtration system improves wastewater processing

Scientists have adapted a cryogenic electron microscopy imaging technique to obtain an image of atomic-scale structure in a synthetic polymer.

Nano Today's annual cover competition is open for submissions.

Resilient nano cardboard is a useful material

A new charge-storing system made from porous conducting polymer films on densely-twisted yarns can be easily integrated into clothing.

Using an x-ray analysis technique, scientists have discovered that the metal-insulator transition in magnetite is a two-step process.

Using a phase-change material, engineers have developed a novel film for the windows in buildings that can reject 70% of the sun's incoming heat.

A new electron microscopy technique can reveal how nanomaterials change in response to illumination with different wavelengths of light.

Scientists have used a process called ball-milling to help create 3D heterostructures from various 2D transition metal dichalcogenides.

A sandwich structure made from aluminum oxide, termed nanocardboard, is stiff, light, thermally insulating and even able to levitate.

Researchers have found that the 2D material known as MXene could be a good candidate for removing urea from blood in portable dialysis devices.

A new metal-organic framework can simultaneously produce hydrogen and clean pollutants from water when irradiated with visible light.

Varying the spacing between twin boundaries can dramatically improve a metal's strength and the extent to which it strengthens when deformed.

Aluminum adjuvant advance

Ultrafast X-ray laser pulses have revealed that the insulator-to-metal transition of vanadium dioxide is more complicated than originally thought.

A novel technique can produce films made from carbon nanotubes and a 2D material called MXene that can block electromagnetic interference.

By adding carbon and nitrogen to manganese, researchers have developed a fuel cell catalyst that is just as effective as platinum but much cheaper.

Moth fur is acoustic camouflage against bat echolation

Scientists have combined silk proteins with carbon nanotubes to produce a composite material for use in flexible electronics and biomedical devices.

Scientists have shown that films of carbon nanotubes can effectively stop dendrites from growing from the anodes in lithium-metal batteries.

A MOF modified with an iron peroxide compound can separate ethylene from ethane while consuming far less energy than existing techniques.

A new machine learning algorithm predicted the properties of more than 100,000 compounds in order to find efficient phosphors for LED lighting.

Researchers have used a mussel-inspired polymer to produce graphene-based liquid crystalline fibers with impressive mechanical and electrical properties.

Scientists have confirmed that hafnium oxide is ferroelectric at the nanoscale, as a result of pressure-induced changes in its crystal arrangement.

A novel method can measure the magnetic properties of superconducting and magnetic materials at very low temperatures in high magnetic fields.

Hysteron mystery explained in organic ferroelectrics

Set lasers to "cure" for Spot-welding of composites

Memory steel

Scientists have identified a new class of topological materials made by inserting transition metal atoms into the atomic lattice of niobium disulfide.

A novel ceramic-metal composite that can handle high heat and pressure makes an effective material for producing solar power heat exchangers.

3D printing of complex origami assemblages for reconfigurable structures

Nanoparticles comprising a platinum outer shell that surrounds alternating layers of platinum and cobalt atoms make effective fuel cell catalysts.

Using nanopillars made from a high-entropy alloy, scientists have been able to study how dislocations organize and interact at the nanoscale.

Researchers have shown that a freestanding porous titanium monoxide nanofiber mat makes an effective cathode material for lithium-sulfur batteries.

From January 2019 Materials and Design will become an open access journal.

An artificial protein made from ordered and disordered segments will form a solid scaffold in response to body heat, and seamlessly integrate into tissue.

Electronic skin that heals itself after damage just like human skin could now be possible, according to new research.

two-dimensional boron – or borophene – accommodates line defects in a unique way

Efficient spintronic interface improves quantum IT

boron arsenide (BAs) has unusually high thermal conductivity, which could help keep the next generation of electronic and optoelectronic devices cooler

Japanese art of paper cutting and folding kirigami transforms flat, two-dimensional cutouts in gold films into three-dimensional nanoscale structures

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