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Metals and alloys news, March 2018

Chemists have found a sodium-based material that offers a cheap and non-toxic alternative to lead-containing perovskites for use in solar cells.

A novel 3D printing technology can produce metallic glasses, such as an amorphous iron alloy, at larger scales than previously possible.

Theory has guided the development of a new piezeoelectric material with twice the piezo response of any existing commercial ferroelectric ceramics.

A new chemical vapor deposition method can produce single-crystal-like graphene films by supplying hydrocarbon molecules to the edge of the growing film.

By exfoliating a liquid droplet of gallium, scientists have managed to create 2D gallenene, which shows promise for use in nanoscale electronics.

A new glass made from zinc and organic compounds has a better glass-forming ability than conventional silica-based glass.

Scientists have created a new method for doping germanium with desired foreign atoms, creating new materials with significantly altered properties.

Scientists used advanced electron microscopy techniques to study the atomic structure of the surface and interior of a lithium-ion battery electrode.

ASTM is inviting experts to join in the revision of two ASTM International thermostat standards.

Using a 3D layer of silicone as the substrate for a lithium metal anode can mitigate dendrite formation and dramatically extend battery life.

Researchers have discovered more details about the way certain materials hold a static electric charge even after two surfaces separate.

Replacing metal components in electronic devices with carbon materials like graphene could reduce production costs and waste management problems.

Adding nickel nanoparticles to a liquid gallium alloy turns it into a paste with a consistency suitable for additive manufacturing.

NiOx-based perovskite materials promise low-cost, highly efficient, flexible solar photovoltaic devices.

A new technique can pinpoint the location of chemical reactions happening inside lithium-ion battery electrodes in three dimensions at the nanoscale level.

Understanding why a 2D material grown on a sapphire substrate had worse properties than predicted has allowed scientists to improve those properties.

A novel imaging technique uses a tiny needle to nudge a single nanoparticle into different orientations and capture 2D images to reconstruct a 3D picture,

Scientists have discovered that previously undetected manganese atoms contaminating graphene are responsible for its catalytic abilities.

Researchers have developed a new technique for printing electronic circuits on flexible, stretchable substrates using silver nanowires.

A novel machine learning-based method for classifying steel is much more accurate and objective than conventional quality control procedures.

Using state-of-the-art microscopy techniques, scientists have discovered that a prototypical ‘relaxor’ material has an unexpected atomic structure.

Using 'molecular anvils' made from tiny diamond particles, scientists have conducted the first chemical reactions triggered by mechanical pressure alone.

Researchers used data mining and computational tools to discover a new phosphor material for white LEDs that is inexpensive and easy to make.

Using experiments and modeling, scientists have found that interactions between layers of 2D titanium disulfide are stronger than theory suggests.

High-intensity infrared laser pulses have revealed a hidden state of electronic order in a cuprate comprising lanthanum, barium, copper and oxygen.

Hybrid electrode material enables fast ion conduction through continuous ceramic fibers, flexibility, and ability to use polymer roll-to-roll processing.

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