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Materials news, June 2022

By removing contaminants, researchers have managed to get boron nitride nanotubes to assemble themselves into liquid crystals.

Magnetic result for coated gold nanorods

Using iron oxide nanoparticles, researchers have been able to control the orientation, and thus optical properties, of gold nanorods with a magnetic field.

Researchers have derived governing equations that describe and explain why adding liquid inclusions to elastomers gives them novel properties.

A novel method for growing thin-films of barium titanate with few defects could lead to more energy efficient electronic devices.

Researchers have found that adding the organometallic ferrocene to perovskite-based solar cells can dramatically increase their efficiency and stability.

well-ordered novel carbon nanostructures such as nanowalls can be grown by electrodeposition from molten salts

electrochemical modification of carbon fibers makes polymer composites tougher

Researchers have found a new structure, which they term a bilayer-folded lamellar mesophase, in an aqueous solution of an amphiphilic copolymer.

Researchers have shown that machine learing can automatically process the diffraction patterns produced by analyzing suface superstructures on silicon.

Using a kind of puzzle-solving process, researchers have pieced together a method to determine how different 2D materials respond to disorder.

Using piezoelectric metamaterials, researchers have created 3D-printed 'meta-bots' capable of propulsion, movement, sensing and decision-making.

By combining semiconductors with flexible polymers, researchers have created a thermoelectric coating for converting low-grade heat into electrical power.

Researchers have developed a polymer surface that can switch betweeen capturing and releasing biomolecules in response to an electrical signal.

Unique properties of 2D materials stressed by contoured substrates

Researchers have developed a way to produce identical photons, with the same wavelength and polarization, from separate quantum dots.

A novel method for upcycling the widely used plastic acrylonitrile butadiene styrene gives it better properties for 3D printing.

Researchers have discovered that the dielectric constant of their strontium titanate films exceeds 25,000 – the highest ever measured for this material.

Non-toxic semiconductor alternative produces green hydrogen

Using computer modelling, researchers have predicted the existence of a new layered form of carbon they call 'amorphous graphite'.

fluorescent silk tag authenticates medicines and alcohol

A new theory proves that local equilibriums can exist at the interface between systems that are out of equilibrium.

Researchers have used a novel spectroscopy technique to map the dynamic behavior of phonons in quantum dots at atomic scale.

Tribologists boost power output by keeping friction low

By etching holes in a top layer of silicon, researchers have developed tiny, flexible solar cells for powering implantable medical devices.

Scientists used sophisticated molecular dynamics simulations to better understand the unusual properties of amorphous materials such as glass.

Using spinning arrays of magnetic particles, researchers have modeled how shear influences grain boundaries in polycrystalline materials.

Researchers have created a simple-to-make, recyclable polymer fiber that can perform like a muscle actuator.

A membrane produced by embedding a metal-organic framework into a polymer can remove hydrogen sulfide and carbon dioxide from natural gas.

Higher-eigen-mode imaging has revealed that a flexible semiconducting polymer has a ‘fruitcake’ structure with harder and softer regions.

Scientists have developed efficient photocatalysts for splitting water made from inorganic atomic clusters on titanium oxide supports.

Researchers have developed an oxysulfide glass electrolyte for use in ambient-temperature solid-state sodium-sulfur batteries.

green-solvent-processable, open-air printable self-assembly strategy for fabricating stable, efficient OSCs

light-triggered shape-changing device that could serve as a power source for soft robotics

Researchers have pioneered a tunable technique to generate wood-like plant material in the lab, and also print it in specific shapes anf forms.

Using computational and experimental methods, researchers have compared the superconducting properties of layered nickelates and cuprates.

Researchers have discovered that the tiny defects that limit the efficiency of perovskite solar cells are also responsible for their degradation over time.

Reseachers have developed a novel method for printing composite elastic materials by getting liqid polymers to flow between two acrylic plates.

By reacting sugar molecules with alkali metal salts, researchers have created a sponge-like material that can trap carbon dioxide in its cavities.

Researchers have developed a low-cost gel film made from abundant ingredients that can pull water from the air in even the driest climates.

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