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Superatoms formed from spatially separated electrons and holes in nanostructures


Sergey I. Pokutnyi
Page No. 15-20


Abstract

This review summarizes the results of theoretical studies of superatoms (or artificial atoms) –
nanodimensional quasiatomic structures formed from spatially separated electrons and holes (hole
moving in the volume of a semiconductor (dielectric) quantum dot and an electron localized on the
outer spherical interface between the quantum dot and a dielectric matrix). The latter allows to
use such nanostructures as active regions nanolasers working on exciton transitions.
Keywords: superatom, spatially separated electron and hole, quantum dots, binding energy.


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