Measuring electron transfer in real space in biased asymmetric double quantum wells using far-infrared cyclotron resonance

X. F. He; S. R. Ryu; W. J. Li; J. Haetty; A. Petrou; B. D. McCombe; W. Schaff

doi:10.1063/1.118361

Measuring electron transfer in real space in biased asymmetric double quantum wells using far-infrared cyclotron resonance

X. F. He
, S. R. Ryu
, W. J. Li
, J. Haetty
, A. Petrou
, B. D. McCombe
, W. Schaff

Physics

SUNY Buffalo
Cornell University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We report measurements of electron transfer in real space in GaAs/Al_xGa_1-xAs asymmetric double quantum wells under an electric field by far-infrared cyclotron resonance (CR). Due to nonparabolicity, the asymmetric quantum structure results in well-resolved CR lines, which allow contactless measurements of the electron density in each well. Our results show that electrons tunnel through the barrier from one well to the other at the level anticrossing of their ground states.

Original language	English
Pages (from-to)	214-216
Number of pages	3
Journal	Applied Physics Letters
Volume	70
Issue number	2
DOIs	https://doi.org/10.1063/1.118361
State	Published - Jan 13 1997

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abstract = "We report measurements of electron transfer in real space in GaAs/AlxGa1-xAs asymmetric double quantum wells under an electric field by far-infrared cyclotron resonance (CR). Due to nonparabolicity, the asymmetric quantum structure results in well-resolved CR lines, which allow contactless measurements of the electron density in each well. Our results show that electrons tunnel through the barrier from one well to the other at the level anticrossing of their ground states.",

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AU - He, X. F.

AU - Ryu, S. R.

AU - Li, W. J.

AU - Haetty, J.

AU - Petrou, A.

AU - McCombe, B. D.

AU - Schaff, W.

PY - 1997/1/13

Y1 - 1997/1/13

N2 - We report measurements of electron transfer in real space in GaAs/AlxGa1-xAs asymmetric double quantum wells under an electric field by far-infrared cyclotron resonance (CR). Due to nonparabolicity, the asymmetric quantum structure results in well-resolved CR lines, which allow contactless measurements of the electron density in each well. Our results show that electrons tunnel through the barrier from one well to the other at the level anticrossing of their ground states.

AB - We report measurements of electron transfer in real space in GaAs/AlxGa1-xAs asymmetric double quantum wells under an electric field by far-infrared cyclotron resonance (CR). Due to nonparabolicity, the asymmetric quantum structure results in well-resolved CR lines, which allow contactless measurements of the electron density in each well. Our results show that electrons tunnel through the barrier from one well to the other at the level anticrossing of their ground states.

UR - https://www.scopus.com/pages/publications/5844415844

U2 - 10.1063/1.118361

DO - 10.1063/1.118361

M3 - Article

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Measuring electron transfer in real space in biased asymmetric double quantum wells using far-infrared cyclotron resonance

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