Electrometry using the quantum Hall effect in a bilayer 2D electron system

Details Electrometry using the quantum Hall effect in a bilayer 2D electron system Electrometry using the quantum Hall effect in a bilayer 2D electron system

2010-03-25

arxiv.org/abs/1003.5017v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3.5 pages, 3 figures, submitted to APL.

Scientific paper

We discuss the development of a sensitive electrometer that utilizes a two-dimensional electron gas (2DEG) in the quantum Hall regime. As a demonstration, we measure the evolution of the Landau levels in a second, nearby 2DEG as the applied perpendicular magnetic field is changed, and extract an effective mass for electrons in GaAs that agrees within experimental error with previous measurements.

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