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Atomically precise quantum dots fabricated by two-fold cleaved edge overgrowth: from artificial atoms to molecules

Wegscheider, Werner ; Schedelbeck, Gert ; Bichler, Max ; Abstreiter, Gerhard
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Date of publication of this fulltext: 09 Nov 2009 13:16


Abstract

The optical properties of different quantum dot structures consisting of individual dots, pairs of coupled dots as well as of linear arrays of dots have been studied experimentally. The Image Image size GaAs quantum dots form at the intersection of three orthogonal quantum wells fabricated by two-fold application of the cleaved edge overgrowth method. The high degree of control over shape, ...

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