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Materials news, July 2019

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Ant-sized piezoelectric robots

A novel algorithm considers all possible combinations of elements in the periodic table in order to predict novel hard and tough materials.

Aerogel helps to heat the house as renewable energy

Researchers have shown that coating zinc oxide nanowires with amorphous titania can enhance their ability to catalyze the water-splitting reaction.

CNTs produce sticky tape for extreme environments

Scientists have discovered a previously unseen mode of a ferromagnetic property known as giant magneto-resistance in a 2D heterostructure.

Artificial proteins can self-assemble on a crystal surface by matching the pattern of amino acids in the protein with the atoms of the crystal.

New light materials for 3D printing

Using a novel etching process, researchers have been able to fabricate fins on a novel semiconducting material, thereby enhancing its surface area.

Selective-area epitaxy helps nanowires into 2D for more complex devices

X-ray analysis of sintering bioactive glass particles reveals process and opens door tailored scaffolds for bone repair

Automated materials knowledge extraction

Researchers have confirmed that magnetic fluctuations can act as an electron ‘pairing glue’ in iron-based superconductors.

Researchers have discovered a phenomenon that allows block copolymers to self-assemble in patterns that deviate from regular symmetrical arrays.

Researchers have uncovered the first example of a native metal with bistable and electrically switchable spontaneous polarization states.

Researchers have shown that a text-mining algorithm with no training in materials science can accurately predict novel thermoelectric materials.

new proactive risk governance system can keep pace with development and should lead to safer nanomaterials, products, and processes

Using x-ray spectroscopy, researchers have produced a ‘movie’ of thin film growth that depicts the process more accurately than ever before.

A new method for getting high-energy photons striking silicon to kick out two electrons instead of one could produce more efficient solar cells.

By letting through over 95% of incoming sunlight while being highly insulating, a novel silica aerogel can heat up to a temperature of 220°C.

By energizing precursor molecules using a supersonic jet of inert gas, researchers have been able to accelerate the fabrication of nanomaterials.

A new membrane made from water-wet materials with gas-entrapping pores can perform a type of desalination known as membrane distillation.

Leaves provided the template for hierarchical porous structures of mixed-metal oxides that act as supports for metal-organic framework crystals.

By utilizing theory and experiment, researchers have managed to improve the performance of liquefied gas electrolytes with lithium-metal anodes.

Direct growth technique could produce low-cost, high-efficiency graphene-on-silicon Schottky junction solar cells.

Researchers have used X-ray tomography to visualize how cracks form near the edges of the interfaces between materials in solid-state batteries.

Gold heterostructures could potentially be used to demonstrate the existence and nature of quantum particles known as Majorana fermions.

Researchers have developed a novel ink for 3D printing, based on a nanocellulose gel, that can mimic the unique ‘ultrastructure’ of wood.

Scientists have used a novel bismuth-based, 2D superconductor to experimentally confirm a 23-year-old theory of superconductors.

Researchers have determined the mechanism that allows a 2D perovskite crystal to emit green light, and also how to replicate it.

Researchers have demonstrated previously unknown quantum states of matter that arise in double-layer stacks of graphene.

Previous assumptions regarding polymer behavior are challenged by new laboratory techniques that measure polymer flow at the molecular level.

new insight into hematite nanorods could help future development of photoelectrochemical cells for water splitting

Researchers have developed a model to explain the disparity in performance between the p-type and n-type forms of thermoelectric materials.

simple process to make hexaferrites particles with high coercivity could prove useful for magnetic storage media and microwave absorbers

By taking advantage of defects, scientists have created new inorganic crystals made of stacks of atomically thin sheets that unexpectedly spiral.

A new NMR technique is able to determine the atomic-scale location and distribution of functional groups on mesoporous silica nanoparticles.

flexible capacitors made from layers of polyester coated with graphene and hexagonal boron nitride inks could form basis of washable wearable electronics

flash infrared annealing (FIRA) could hold the key to low-cost environmentally friendly perovskite solar cells

Placing a topological insulator on a thin superconducting film has revealed a novel form of electron tunneling known as Klein tunneling.

ion trap based on the nanofibrous structure of cellulose converts low-grade heat into useful electricity

set of basic design rules maps out the synthesis of interfaces in nanoparticles made from multiple elemental components

Precision analysis with laser light reveals the secrets of transporting drugs across membranes

Scientists have discovered that the 2D material platinum diselenide is magnetic, due to irregularities in the arrangement of its atoms.

Using high-throughput computational materials science, scientists have developed a chemical map to guide the exploratory synthesis of nitrides.

lithographic patterning of graphene down to 10 nm engineers the band gap

Magnetic shape-memory material with potential applications in biomedicine, aerospace, wearable electronics and robotics

New process for fabricating oxide perovskite crystals

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