gallium-nitride tagged posts

Graphene key to growing 2D Semiconductor with extraordinary properties

Graphene key to growing 2-dimensional semiconductor with extraordinary properties

An illustration of the Migration Enhance Encapsulated Growth (MEEG) process to stabilize novel wide-bandgap two-dimensional nitride semiconductors that are not naturally occurring. MEEG is facilitated by defects in the graphene lattice that act as pathways for intercalation. When the gallium and nitrogen adatoms meet at the graphene/SiC interface, they chemically react to form two-dimensional gallium nitride. Credit: Z. Al Balushi and Stephen Weitzner, Penn State MatSE

A newly discovered method for making two-dimensional materials could lead to new and extraordinary properties, particularly in nitrides, say the Penn State materials scientists who discovered the process...

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World Record in Terrestrial Radio Transmission: Multi-Gigabit Wireless Communication

E band transmitters with parabolic antenna. The installed integrated circuits achieve particularly high performance. Credit: © Photo Jörg Eisenbeis, KIT

E band transmitters with parabolic antenna. The installed integrated circuits achieve particularly high performance. Credit: © Photo Jörg Eisenbeis, KIT

Transmitting the contents of a conventional DVD in <10s by radio transmission is incredibly fast – and a new world record in wireless data transmission. With a data rate of 6 Gb/s over 37km, a collaborative project ACCESS (Advanced E Band Satellite Link Studies) with researchers from University of Stuttgart and Fraunhofer Institute for Applied Solid State Physics IAF exceeded the state of the art by a factor of 10.

The team achieved the record data transmission on a stretch between Cologne and Wachtberg...

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