Electron-electron scattering between parallel two-dimensional electron gases

T. J. Gramila; J. P. Eisenstein; A. H. MacDonald; L. N. Pfeiffer; K. W. West

doi:10.1016/0039-6028(92)90386-K

Electron-electron scattering between parallel two-dimensional electron gases

T. J. Gramila, J. P. Eisenstein, A. H. MacDonald, L. N. Pfeiffer, K. W. West

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

56 Scopus citations

Abstract

Electron-electron scattering rates between isolated two-dimensional electron gases separated by a thin barrier have been measured at low temperatures in GaAs/AlGaAs double quantum well structures. Separate electrical connection to the two electron systems allows the injection of current into one and the detection of a small drag-induced voltage across the other. The drag voltage is a direct measure of the interwell momentum relaxation rate. Measurements of this rate suggest that two processes contribute to the interactions, simple Coulomb scattering and a longer-range process, possibly due to acoustic phonons.

Original language	English (US)
Pages (from-to)	446-450
Number of pages	5
Journal	Surface Science
Volume	263
Issue number	1-3
DOIs	https://doi.org/10.1016/0039-6028(92)90386-K
State	Published - Feb 19 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0039-6028(92)90386-K

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abstract = "Electron-electron scattering rates between isolated two-dimensional electron gases separated by a thin barrier have been measured at low temperatures in GaAs/AlGaAs double quantum well structures. Separate electrical connection to the two electron systems allows the injection of current into one and the detection of a small drag-induced voltage across the other. The drag voltage is a direct measure of the interwell momentum relaxation rate. Measurements of this rate suggest that two processes contribute to the interactions, simple Coulomb scattering and a longer-range process, possibly due to acoustic phonons.",

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T1 - Electron-electron scattering between parallel two-dimensional electron gases

AU - Gramila, T. J.

AU - Eisenstein, J. P.

AU - MacDonald, A. H.

AU - Pfeiffer, L. N.

AU - West, K. W.

PY - 1992/2/19

Y1 - 1992/2/19

N2 - Electron-electron scattering rates between isolated two-dimensional electron gases separated by a thin barrier have been measured at low temperatures in GaAs/AlGaAs double quantum well structures. Separate electrical connection to the two electron systems allows the injection of current into one and the detection of a small drag-induced voltage across the other. The drag voltage is a direct measure of the interwell momentum relaxation rate. Measurements of this rate suggest that two processes contribute to the interactions, simple Coulomb scattering and a longer-range process, possibly due to acoustic phonons.

AB - Electron-electron scattering rates between isolated two-dimensional electron gases separated by a thin barrier have been measured at low temperatures in GaAs/AlGaAs double quantum well structures. Separate electrical connection to the two electron systems allows the injection of current into one and the detection of a small drag-induced voltage across the other. The drag voltage is a direct measure of the interwell momentum relaxation rate. Measurements of this rate suggest that two processes contribute to the interactions, simple Coulomb scattering and a longer-range process, possibly due to acoustic phonons.

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SP - 446

EP - 450

JO - Surface Science

JF - Surface Science

IS - 1-3

ER -

Electron-electron scattering between parallel two-dimensional electron gases

Abstract

All Science Journal Classification (ASJC) codes

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