Magnetic noise measurements using cross-correlated Hall sensor arrays

G. Jung; M. Ocio; Y. Paltiel; H. Shtrikman; E. Zeldov

doi:10.1063/1.1340866

Magnetic noise measurements using cross-correlated Hall sensor arrays

G. Jung^*, M. Ocio, Y. Paltiel, H. Shtrikman, E. Zeldov

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

7 Scopus citations

Abstract

An experimental technique for measuring magnetic fluctuations by means of a double-layer Hall sensor array is described. The technique relies on cross-correlating Hall signals from two independent sensors positioned one above the other in two separate two-dimensional-electron-gas layers of a GaAs/AlGaAs heterostructure. The effectiveness of the technique is demonstrated by a reduction of the magnitude of the background noise floor of the correlated sensors with respect to the noise level of the best single sensor.

Original language	English
Pages (from-to)	359-361
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	3
DOIs	https://doi.org/10.1063/1.1340866
State	Published - 15 Jan 2001
Externally published	Yes

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10.1063/1.1340866

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abstract = "An experimental technique for measuring magnetic fluctuations by means of a double-layer Hall sensor array is described. The technique relies on cross-correlating Hall signals from two independent sensors positioned one above the other in two separate two-dimensional-electron-gas layers of a GaAs/AlGaAs heterostructure. The effectiveness of the technique is demonstrated by a reduction of the magnitude of the background noise floor of the correlated sensors with respect to the noise level of the best single sensor.",

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AU - Zeldov, E.

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Magnetic noise measurements using cross-correlated Hall sensor arrays

Abstract

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