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[E-Beam] – E-Beam atomic-scale 3D ‘sculpting’ could enable new quantum nanodevices 15 septembre 2020

By varying the energy and dose of tightly-focused electron beams, researchers have demonstrated the ability to both etch away and deposit high-resolution nanoscale patterns on two-dimensional layers of graphene oxide.

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[Body-Sensors] – Direct printing of wearable health sensors onto skin 15 septembre 2020

Skin-interfaced, wearable electronics have attracted significant attention due to their unique roles in preventative monitoring, diagnostic confirmation, and convenient therapeutic options.

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[Thin-Films] – Topological superconductivity studied in thin films 15 mai 2020

An unusual form of superconductivity, which could help develop powerful quantum computers, has been found at the interface between two thin films by RIKEN physicists (Nature Communications, « Nonreciprocal charge transport at topological insulator/superconductor interface »).

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[2D materials] – Stretched to the limit and sparkling on curved surfaces 23 février 2020

Two-dimensional (2D) materials could offer new building blocks for future technologies — but only if scientists can control growth and properties. Strain, caused by “stretching” or “bunching” the atomic structure as a crystal grows, is one way to control these properties.

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[Photovoltaic] – If you want to catch more light, twist it 23 février 2020

A special class of materials known as “Weyl semimetals” have unusual physical properties. In these materials, researchers can separate electrons by their “handedness.” That’s whether the electrons’ magnetic moment is in the same direction as the electrons’ movement or the opposite direction.
This results in a host of unique phenomena that researchers can use to turn infrared light into electricity and develop very fast electronic circuits.

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[Graphene] – New graphene amplifier unlocks hidden frequencies in the electromagnetic spectrum 23 février 2020

Researchers have created a unique device which will unlock the elusive terahertz wavelengths and make revolutionary new technologies possible.

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[Photonic] – Retina-inspired carbon nitride-based photonic synapses for selective detection of UV light 23 février 2020

Researchers at Seoul National University and Inha University in South Korea developed photo-sensitive artificial nerves that emulated functions of a retina by using 2-dimensional carbon nitride (C3N4) nanodot materials.

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[Ultra High Vacuum] – The importance of a Sapphire viewport in a HV or UHV 23 février 2020

It is vital for the procedure in-situ to be observed in many high vacuum and ultra-high vacuum (HV/UHV) processes. The challenge is that any optical component must penetrate the hermetically sealed chamber but not compromise the quality of the vacuum.

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[Graphene] – Misalignments in encapsulated graphene lead to strong modification of electronic properties 23 février 2020

Researchers at the University of Antwerp report how higher-order periodic modulations called supermoiré caused by the encapsulation of graphene between hexagonal boron nitride affect the electronic and structural properties of graphene, as revealed in three recent independent experiments.

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