I-V characteristics of quantum dots and rings in a magnetic field: Effect of single-electron charging and discharging

S. R. Eric Yang; G. C. Aers

doi:10.1016/0038-1098(92)90219-Y

I-V characteristics of quantum dots and rings in a magnetic field: Effect of single-electron charging and discharging

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Abstract

We have theoretically investigated the non-linear I-V characteristics of small quantum dots and rings in a magnetic field where single electron charging and discharging are significant. We find that, for both charging and discharging situations, three types of current steps can occur in the I-V characteristics representing three different types of tunneling events. Physically transparent descriptions are given of the tunneling events that give rise to these steps. Also we present a suggestion to use the magnetic field dependence of the step structures in I-V characteristics to map out directly the energy levels of dots and rings.

Original language	English
Pages (from-to)	501-504
Number of pages	4
Journal	Solid State Communications
Volume	82
Issue number	7
DOIs	https://doi.org/10.1016/0038-1098(92)90219-Y
Publication status	Published - 1992 May
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/0038-1098(92)90219-Y

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title = "I-V characteristics of quantum dots and rings in a magnetic field: Effect of single-electron charging and discharging",

abstract = "We have theoretically investigated the non-linear I-V characteristics of small quantum dots and rings in a magnetic field where single electron charging and discharging are significant. We find that, for both charging and discharging situations, three types of current steps can occur in the I-V characteristics representing three different types of tunneling events. Physically transparent descriptions are given of the tunneling events that give rise to these steps. Also we present a suggestion to use the magnetic field dependence of the step structures in I-V characteristics to map out directly the energy levels of dots and rings.",

author = "{Eric Yang}, {S. R.} and Aers, {G. C.}",

year = "1992",

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AU - Eric Yang, S. R.

AU - Aers, G. C.

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N2 - We have theoretically investigated the non-linear I-V characteristics of small quantum dots and rings in a magnetic field where single electron charging and discharging are significant. We find that, for both charging and discharging situations, three types of current steps can occur in the I-V characteristics representing three different types of tunneling events. Physically transparent descriptions are given of the tunneling events that give rise to these steps. Also we present a suggestion to use the magnetic field dependence of the step structures in I-V characteristics to map out directly the energy levels of dots and rings.

AB - We have theoretically investigated the non-linear I-V characteristics of small quantum dots and rings in a magnetic field where single electron charging and discharging are significant. We find that, for both charging and discharging situations, three types of current steps can occur in the I-V characteristics representing three different types of tunneling events. Physically transparent descriptions are given of the tunneling events that give rise to these steps. Also we present a suggestion to use the magnetic field dependence of the step structures in I-V characteristics to map out directly the energy levels of dots and rings.

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DO - 10.1016/0038-1098(92)90219-Y

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I-V characteristics of quantum dots and rings in a magnetic field: Effect of single-electron charging and discharging

Abstract

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