20 enero 2015
Scientists have now demonstrated active, in situ electrical control of the energy flow from erbium ions into photons and plasmons. The experiment was implemented by placing the erbium emitters a few tens of nanometers away from the graphene sheet, whose carrier density is electrically controlled.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HbCfNQ3eeUU/150120111802.htm
