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Abstract Some results of the numerical calculation of the electron ground state energy and electron density in tunnel-coupled InAs/GaAs quantum dots composing a simple cubic superlattice are presented. The calculation… Click to show full abstract
Abstract Some results of the numerical calculation of the electron ground state energy and electron density in tunnel-coupled InAs/GaAs quantum dots composing a simple cubic superlattice are presented. The calculation is performed within the modified effective mass method taking into account the microscopic (atomic) structure of individual quantum dots without taking spin-orbit coupling and strain effects into account. The dependence of the electron binding energy on radius R of quantum dots is studied. The electron binding energy is demonstrated to be proportional to R 3 in the region of R < 27 Å.
Journal Title: Technical Physics Letters
Year Published: 2020
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