The detection limit of curved InGaAs/AlGaAs/GaAs hall bars

The detection limit of curved InGaAs/AlGaAs/GaAs hall bars The work is devoted to the study of noise characteristics of curved Hall bars based on InGaAs/AlGaAs/GaAs semiconductor heterostructures. The noise spectral density S N (f) was investigated experimentally and the magnetic field detection limit B N of a flat and similar Hall bar rolled in a tube was defined. The low-frequency spectra of 1/f noise were studied and the dimensionless Hooge noise parameter α H was determined. The ability to use the curved Hall bars in the devices for measuring weak magnetic fields (<1 μT) was predicted. Russian Microelectronics Springer Journals

The detection limit of curved InGaAs/AlGaAs/GaAs hall bars

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Pleiades Publishing
Copyright © 2016 by Pleiades Publishing, Ltd.
Engineering; Electrical Engineering
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