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Unraveling the magnetism of a graphene triangular flake

Graphene is a diamagnetic material, this is, unable of becoming magnetic. However, a triangular piece of graphene is predicted to be magnetic. This apparent contradiction is a consequence of "magic" shapes in the structure ...

Antennas for lighter, more economic communications satellites

A telecommunications engineer at the NUP/UPNA-Public University of Navarre has designed two antenna prototypes for communications satellites; they offer more lightweight solutions, are less bulky than the ones used conventionally ...

Researchers turn light upside down

Researchers from CIC nanoGUNE (San Sebastian, Spain) and collaborators have reported in Science the development of a so-called hyperbolic metasurface on which light propagates with completely reshaped wafefronts. This scientific ...

Contacting the molecular world through graphene nanoribbons

A single molecule can behave as the smallest electronic component of an electronic system. Researchers in the field of molecular electronics have endeavoured in recent years to develop new approaches to using molecules as ...

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