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Electronic Structure of Quantum-Dot Molecules and Solids

Published

Author(s)

G C. Bryant, W Jaskolski

Abstract

We present an empirical tight-binding theory of nanocrystal nanosystems. We use our tight-binding theory to understand the electronic states of quantum-dot solids, the coupling between nanocrystals, and the hybridization of states in coupled structures. We consider coupled double-dot molecules. Results for epitaxial connections, with the dots lattice-matched across the interdot interface, show significant coupling when the connection is through more than a few atoms. The coupling strength depends on the spatial distribution and symmetry of the states involved, as in molecular hybridization.
Citation
Physica E: Low Dimensional Systems and Nanostructures
Volume
13
Issue
No. 2-4

Keywords

electronic structure, nanocrystals, optical spectra, quantum dots, tight-binding theory

Citation

Bryant, G. and Jaskolski, W. (2002), Electronic Structure of Quantum-Dot Molecules and Solids, Physica E: Low Dimensional Systems and Nanostructures (Accessed April 15, 2024)
Created February 28, 2002, Updated October 12, 2021