NewsBilayer graphene double quantum dots tune in for
single-electron control

11th March 2020by admin0
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The first demonstration of graphene double quantum
dots in which it is possible to control the number of electrons
down to zero has been reported in Nano Letters. Far from an
abstract academic stunt, the results could prove key to future
implementations of quantum computing based on graphene. “Having
exact information and control over the number of electrons in the
dots is essential for spin based quantum information technology,”
says Luca Banszerus, a researcher at RWTH Aachen University in
Germany and the first author of the paper reporting these
results.

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      The New Fusion technology is based on a phenomenon called triplet-triplet annihilation (TTA) which is a process in which two triplet excitons annihilate and produce a higher energy singlet exciton.

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