Research appearing in ACS Nano reveals the ballistic movement of electrons in graphene in real-time.
The observations made at the University of Kansas’ Ultrafast Laser Lab could lead to breakthroughs in governing electrons in semiconductors, fundamental components in most information and energy technology.
“Generally, electron movement is interrupted by collisions with other particles in solids,” said lead author Ryan Scott, a doctoral student in KU’s Department of Physics & Astronomy.
“This is similar to someone running in a ballroom full of dancers. These collisions are rather frequent—about 10 to 100 billion times per second. They slow down the electrons, cause energy loss, and generate unwanted heat...
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