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Optics & Photonics May 6, 2021

Homing in on the smallest possible laser

At extremely low temperatures, matter often behaves differently than in normal conditions. At temperatures only a few degrees above absolute zero (-273 degrees Celsius), physical particles may give up their independence and ...

Nanophysics Apr 20, 2021

2D nanomaterial MXene: The perfect lubricant for rovers

You can lubricate a bicycle chain with oil, but what do you do with a Mars rover or a red-hot conveyor belt in the steel industry? Very special nanomaterials have now been studied by the TU Wien together with research groups ...

Nanophysics Apr 19, 2021

Scientists now able to map defects in 2D crystals in liquid

Monolayer crystals, often being referred as 2D crystals or 2D materials, possess the unique characteristic of having a single layer of regular atomic structure. And the more regular the structure is, the higher quality the ...

Earth Sciences Apr 16, 2021

Microorganisms on the Rio Grande Rise are a basis for life and a possible origin of metals

The abundant biological and mineral diversity of the Rio Grande Rise, a seamount in the depths of the Atlantic Ocean about 1,500 km from the coast of Brazil, is probably due, to a great extent, to little-known microscopic ...

Analytical Chemistry Apr 13, 2021

Progress in the low-cost electrochemical synthesis of ammonia

Ammonia (NH3) is mass-produced for use in the agricultural, pharmaceutical, and sustainable energy sectors. However, its conventional synthesis methods are environmentally unfriendly, so we need alternatives! Recently, Scientists ...

Nanophysics Apr 12, 2021

Better metric for thermoelectric materials means better design strategies

Researchers from Tokyo Metropolitan University have shown that a quantity known as thermoelectric conductivity is an effective measure for the dimensionality of newly developed thermoelectric nanomaterials. Studying films ...

Nanophysics Apr 6, 2021

High-order superlattices by rolling up van der Waals heterostructures

Two-dimensional (2D) materials and van der Waals (vdW) heterostructures are flexible materials with distinct atomic layers beyond traditional units of lattice-matching requirements. Nevertheless, the 2D van der Waals structures ...

Materials Science Apr 6, 2021

Molybdenum titanium carbide viable in additive manufacturing

Oak Ridge National Laboratory scientists proved molybdenum titanium carbide, a refractory metal alloy that can withstand extreme temperature environments, can also be crack free and dense when produced with electron beam ...

Nanomaterials Mar 29, 2021

This ultrathin sensor could save your lungs—and the climate

Nitrogen dioxide, an air pollutant emitted by fossil fuel-powered cars and gas-burning stoves is not only bad for the climate—it's bad for our health. Long-term exposure to NO2 has been linked to increased heart disease, ...

General Physics Mar 26, 2021

A bio-inspired mechano-photonic artificial synapse

Multifunctional and diverse artificial neural systems can incorporate multimodal plasticity, memory and supervised learning functions to assist neuromorphic computation. In a new report, Jinran Yu and a research team in nanoenergy, ...

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