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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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[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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