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Materials news, July 2017

Material with both flexibility and stiffness inspired by nature

Composite materials combining properties of both flexibility and stiffness.

New technique improves perovskite solar cells

Meniscus-assisted technique could lead to high efficiency perovskite films.

A little fluorine can turn two-dimensional hexagonal boron nitride from an insulator to a semiconductor with magnetic properties.

Smoother surfaces on a solid electrolyte could eliminate or greatly reduce the problem of dendrite formation in lithium-ion batteries.

Spider silk shown to resist twisting forces by yielding when twisted, helping to dissipate energy.

Submissions are being accepted for the 2018 OWSD-Elsevier Foundation Awards for Early-Career Researchers in Developing Countries.

Scientists have created the first machine learning method for predicting the properties of new metals, ceramics and other crystalline materials.

Find out who will receive one of the 2016 Acta student awards.

A new ‘controlled spalling’ layer transfer technique can derive thin films from superconducting gallium nitride crystals.

Scientists have increased the stiffness, or ‘elastic modulus’, of a soft silicon-based polymer by infusing it with tiny pockets of liquid gallium.

By depositing bismuth onto a silicon carbide substrate, scientists have created a topological insulator that can work at room temperatures.

New electrode designs based on a highly conductive, two-dimensional transition metal carbide could produce fast-charging batteries.

Scientists have developed a method for pulling super-stretchy and strong fibers with properties similar to spider silk out of a hydrogel.

Improving direct methanol fuel cells (DMFCs).

A new low-temperature solution printing technique can fabricate high-efficiency perovskite solar cells with large crystals.

Scientists have found evidence for a new type of electron pairing that may broaden the search for new high-temperature superconductors.

A novel manganese and sodium-ion-based material could replace lithium-based electrodes in rechargeable batteries.

The World Science Festival and Annals of Physics join forces at an event at Columbia University.

Neat trick to print a 2D form of a 3D model that spontaneously forms solid, curved object.

A combination of experimental and theoretical methods has revealed evidence of superconductivity on ultrathin lithium titanate films.

Revealing the presence of radioactive substances when they are no longer present.

Molecular cages - metal-organic polyhedra (MOPs).

Scientists have produced the most detailed study yet of the thermal effects of semiconducting metal-nitride nanowires.

Converting an organic polymer to carbon via heating offers a novel way to fix catalyst nanoparticles onto electrode surfaces.

Scientists have enhanced the strength and temperature resistance of a transition metal disilicide alloy by adding two new metals.

Carbon nanofiber electrodes coated with a conductive polymer and bacteria can generate electricity while cleaning wastewater.

A new strong, thermally-stable nickel-containing alloy could prove an ideal replacement for silicon in microelectromechanical systems.

Using a new polymer material that undulates when illuminated, scientists have developed the first device for converting light directly into walking.

Submit your article to a Special issue in Materials Discovery.

A novel membrane made from graphene can filter molecules from aqueous solutions up to 10 times faster than state-of-the-art membranes.

A novel composite material shows promise as a catalyst for the degradation of environmentally-harmful synthetic dye pollutants.

Halide perovskite semiconductors can emit multiple, bright colors from a single nanowire at resolutions as small as 500nm.

Scientists have created a novel 2D material in which electrons travel in one direction with one type of spin, which could be useful for spintronics.

An inexpensive material called quinone makes an effective anode for safe, long-lasting batteries that work across a range of temperatures.

Read about Materials Today's efforts to promote researcher's data.

A novel ‘sugar-coated’ nanomaterial can promote the growth of new bone, as well as other bodily tissues, with minimal use of growth factor.

Scientists have shown how 3D selective laser sintering can be used to make fingertip-size blocks of graphene foam.

A new low-temperature catalyst can produce high-purity hydrogen gas while simultaneously using up carbon monoxide.

Copper-containing mesoporous bioactive glass nanoparticles are versatile, multifunctional and can carry active agents to the site of bone damage

Scientists have found that amorphous regions of a polymer film can transport ions, while crystalline regions are better at conducting electrons.

Scientists have made theoretically-predicted heterostructural alloys, blends of compounds that don't share the same atomic arrangement.

A novel nickel oxide compound is an unconventional but promising candidate material for high-temperature superconductivity.

A new semiconductor alloy that can capture near-infrared light could improve the efficiency and reduce the cost of concentrator photovoltaics.

Mimicking useful properties of melanin-like materials.

A novel chemical process can deposit nanomaterials on graphene without changing the properties and arrangement of its carbon atoms.

A new way to create extremely thin electrically conducting sheets within crystals could lead to reconfigurable electronic circuits.

Assemblies of metallic nanoparticles at multiple length scales behave like bulk magnets and display shape-dependent behavior.

A new way to create previously 'unrealistic' alloys with thin films could form the basis for next-generation semiconductors.

Tracking and controlling dynamic molecular vibrations.

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