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We report on a numerical model of quasi-1-D and quasi-0-dimensional semiconductor heterostructures. This model is strictly based on experimental structures of cylindrical nanocolumns of AlGaAs grown by molecular-beam epitaxy in the (1 1 1) direction. The nanocolumns are of 20–50 nm in diameter and 0.5–1 m in length and contain a single GaAs quantum dot of 2 nm in thickness and 15–45 nm in diameter...
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