Shell-Tunneling Spectroscopy of the Single-Particle Energy Levels of Insulating Quantum Dots

E. P.A.M. Bakkers; Z. Hens; A. Zunger; A. Franceschetti; L. P. Kouwenhoven; L. Gurevich; D. Vanmaekelbergh

doi:10.1021/nl015572b

Shell-Tunneling Spectroscopy of the Single-Particle Energy Levels of Insulating Quantum Dots

E. P.A.M. Bakkers^*, Z. Hens, A. Zunger, A. Franceschetti, L. P. Kouwenhoven, L. Gurevich, D. Vanmaekelbergh

^*Kontaktforfatter

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

117 Citationer (Scopus)

Abstract

The energy levels of CdSe quantum dots are studied by scanning tunneling spectroscopy. By varying the tip-dot distance, we switch from "shell-filling" spectroscopy (where electrons accumulate in the dot and experience mutual repulsion) to "shell-tunneling" spectroscopy (where electrons tunnel, one at a time, through the dot). Shell-tunneling spectroscopy provides the single-particle energy levels of the CdSe quantum dot. The results of both types of tunneling spectroscopy are compared with pseudopotential many-body calculations.

Originalsprog	Engelsk
Tidsskrift	Nano Letters
Vol/bind	1
Udgave nummer	10
Sider (fra-til)	551-556
Antal sider	6
ISSN	1530-6984
DOI	https://doi.org/10.1021/nl015572b
Status	Udgivet - 1 dec. 2001

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author = "Bakkers, {E. P.A.M.} and Z. Hens and A. Zunger and A. Franceschetti and Kouwenhoven, {L. P.} and L. Gurevich and D. Vanmaekelbergh",

year = "2001",

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doi = "10.1021/nl015572b",

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AU - Bakkers, E. P.A.M.

AU - Hens, Z.

AU - Zunger, A.

AU - Franceschetti, A.

AU - Kouwenhoven, L. P.

AU - Gurevich, L.

AU - Vanmaekelbergh, D.

PY - 2001/12/1

Y1 - 2001/12/1

N2 - The energy levels of CdSe quantum dots are studied by scanning tunneling spectroscopy. By varying the tip-dot distance, we switch from "shell-filling" spectroscopy (where electrons accumulate in the dot and experience mutual repulsion) to "shell-tunneling" spectroscopy (where electrons tunnel, one at a time, through the dot). Shell-tunneling spectroscopy provides the single-particle energy levels of the CdSe quantum dot. The results of both types of tunneling spectroscopy are compared with pseudopotential many-body calculations.

AB - The energy levels of CdSe quantum dots are studied by scanning tunneling spectroscopy. By varying the tip-dot distance, we switch from "shell-filling" spectroscopy (where electrons accumulate in the dot and experience mutual repulsion) to "shell-tunneling" spectroscopy (where electrons tunnel, one at a time, through the dot). Shell-tunneling spectroscopy provides the single-particle energy levels of the CdSe quantum dot. The results of both types of tunneling spectroscopy are compared with pseudopotential many-body calculations.

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U2 - 10.1021/nl015572b

DO - 10.1021/nl015572b

M3 - Journal article

AN - SCOPUS:0009265415

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VL - 1

SP - 551

EP - 556

JO - Nano Letters

JF - Nano Letters

IS - 10

ER -

Shell-Tunneling Spectroscopy of the Single-Particle Energy Levels of Insulating Quantum Dots

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