Materials news, June 2019

A novel polymer/carbon composite matrix with lithium microparticles could enhance the capacity and safety of lithium-metal batteries.

Strontium titanate has a ‘hidden’ phase that gives the material new ferroelectric properties when it is activated by extremely fast pulses of light.

Biomimicry of polar bear hairs offers synthetic heat insulating material

Engineers have uncovered how the structure of the mantis shrimp's tail appendage allows it to deliver and receive powerful blows without damage.

Biologically inspired fabrics represent a novel class of materials with uniquely engineereable properties.

Spherical encapsulation for bigger semiconductor sample testing

Antennas made from carbon nanotube films are just as efficient as copper for wireless applications, while also being tougher and more flexible.

A novel platform for altering the properties of a 2D material by putting it under strain could provide the basis for a new kind of nanoscale transistor.

Using a box built from layers of 2D material, researchers have created a tiny optical resonator in which light and matter become one.

nanobelts of the transition metal NbAs show high mobility even when the carrier density is also high

By developing a process for fabricating oxide perovskite crystals in free-standing layers, researchers have produced a new class of 2D material.

Fire up the triboelectric generators with laser-induced graphene

Personal experience of the limitations of conventional dressings stimulated a researcher to develop a better solution

Scientists have discovered why adding cesium and rubidium to halide perovskite solar cells gives them more uniform characteristics.

Ultraviolet LEDs for lepidoptery

Inspired by polar bear hairs, scientists have created an elastic, lightweight heat-insulating material made from hollow carbon tubes.

Vehicle armor based on composite metal foam can stop ball and armor-piercing .50 caliber rounds just as well as much heavier steel armor.

A new method for discovering materials using data analytics and electron microscopy has found a novel class of extremely hard alloys.

Bioengineers have developed injectable hydrogels with bioactive molecules anchored to the chemical crosslinkers that give the gels structure.

The strain created by growing 2D crystals over 3D objects can be used to tailor the crystals' optoelectronic properties.

Chemists have found a way to improve the speed and durability of smart glass by providing a better understanding of how the glass works at the nanoscale.

Synchrotron studies have provided the first macro view of what happens inside a battery electrode that leads to the failure of lithium-ion batteries.

A previously undiscovered interaction between two thin magnetic layers separated by a non-magnetic layer could lead to better data storage.

Lowering the power of OLEDs

By understanding the precise sequence of charged monomers, researchers can predict the behavior of disordered strands of proteins and polymers.

A new sulfur-based cathode material for lithium batteries is more energy-dense and environmentally friendly than traditional cathode materials.

By incorporating liquid metal droplets into an elastomer, researchers have created a highly stretchable, soft, multi-functional composite.

The electronic properties of the 2D semiconductor tungsten disulfide can be dramatically changed by doping it with carbon-hydrogen molecules.

Engineers have developed a high-throughput computational method to design new hybrid organic-inorganic materials for solar cells and LEDs.

A new clean, green technique uses high-frequency sound waves to produce customized metal-organic frameworks in minutes.

Neutron scattering experiments on iron selenide have revealed that its electronic behavior is very similar to other iron-based superconductors.

Scientists have discovered that the elasticity of gels arises from the packing of clusters of particles, dubbed locally glassy clusters, in the gels.

Researchers have developed a liquid mold from droplets that they can manipulate with magnets for creating lenses in various shapes and sizes.

Materials Today Chemistry - Special Issue: Functional Interfaces based Nanomaterials for Applications in Environment and Chemistry

Scientists have found that, in solutions of linear and ring polymers, the linear molecules thread themselves through the ring molecules when stressed.

Nanocubes coated with single-stranded DNA chains assemble into an unusual ‘zigzag’ arrangement that has never been observed before.

The gas separation ability of metal-organic frameworks can be greatly improved by using rapid heat treatment to make their lattice structure rigid.

A novel two-step, ultra-clean process for fabricating a 2D transistor separates the ‘messy’ fabrication steps from the 2D semiconductor layer.

By permanently stressing graphene with a novel laser technique, researchers have been able to provide it with the largest ever band gap.

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