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UC Berkeley researchers have shown that graphene, a one-atom-thick layer of crystallized carbon, can be tuned electrically to modify the amount of photons absorbed. This ability to switch light on and off is the fundamental characteristic of a network modulator, opening the door to optical computing in handheld electronics.
Tag: graphene
Long predicted atomic collapse state observed in graphene
March 7, 2013:
Berkeley physicist Michael Crommie has demonstrated in graphene a strange behavior predicted more than 60 years ago and which holds important implications for the future of graphene-based electronic devices. He and colleagues have imaged the “atomic collapse” states theorized to occur around super-large atomic nuclei.
Graphene nanoribbons exhibit cool edge effects
May 9, 2011:
Michael Crommie and physicists at UC Berkeley, Berkeley Lab and Stanford have for the first time measured the electronic properties at the edges of graphene ribbons, confirming unique effects that make nanoribbons promising electronic devices.
Graphene exhibits bizarre new behavior well-suited to electronic devices
July 29, 2010:
Graphene, a sheet of pure carbon heralded as a possible replacement for silicon-based semiconductors, has been found to have a unique and amazing property that could make it even more suitable for future electronic devices.
