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Charging dynamics of InAs self-assembled quantum dots

AuthorsMedeiros-Ribeiro, Gilberto; García Martínez, Jorge Manuel ; Petroff, Pierre M.
Issue Date15-Aug-1997
PublisherAmerican Physical Society
CitationPhysical Review B 56(7): 3609-3612 (1997)
AbstractWe present results on the dynamics of the charging of arrays of InAs self-assembled quantum dots (SAQD’s). An equivalent circuit used for metal-insulator-semiconductor–field-effect transistor structures is applied and successfully predicts the observed behavior of the capacitance and conductance dependence on the excitation frequency. The Coulomb blockade effect also plays a role in the frequency-dependent spectra. A Coulomb blockade in this system was observed in arrays of over 107 SAQD’s, demonstrating the good size uniformity of such a system.
Description4 páginas, 5 figuras.-- PACS: 73.61.-r, 73.23.Hk, 73.20.Dx
Publisher version (URL)http://link.aps.org/doi/10.1103/PhysRevB.56.3609
Appears in Collections:(IMN-CNM) Artículos
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