Metallic and semiconductor hall microprobes for wide temperature range applications

Kostya S. Novoselov; Sergey V. Morozov; Sergey V. Dubonos; M. Missous; A. K. Geim

doi:10.1142/S0219581X04001894

Metallic and semiconductor hall microprobes for wide temperature range applications

Kostya S. Novoselov, Sergey V. Morozov, Sergey V. Dubonos, M. Missous, A. K. Geim

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

Abstract

We report on mesoscopic Hall sensors allowing accurate magnetization studies of submicron or nanometer-sized samples over a wide temperature range. Even at 300 K, the probes can reliably resolve local changes in dc field of ≈ 1 G with spatial resolution of ≈ 1 μm, which corresponds to a flux sensitivity of less than 0.1 φ0 (φ0 = h/e is a flux quantum). The resolution increases 100 times at temperatures below 80 K. The capabilities of new micromagnetometers are demonstrated by measuring nm-scale movements of individual domain walls in a ferromagnet.

Original language	English
Pages (from-to)	123-130
Number of pages	7
Journal	International Journal of Nanoscience
Volume	3
Issue number	1-2
DOIs	https://doi.org/10.1142/S0219581X04001894
Publication status	Published - Feb 2004

Keywords

Hall probes
Micromagnetometry

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10.1142/S0219581X04001894

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title = "Metallic and semiconductor hall microprobes for wide temperature range applications",

abstract = "We report on mesoscopic Hall sensors allowing accurate magnetization studies of submicron or nanometer-sized samples over a wide temperature range. Even at 300 K, the probes can reliably resolve local changes in dc field of ≈ 1 G with spatial resolution of ≈ 1 μm, which corresponds to a flux sensitivity of less than 0.1 φ0 (φ0 = h/e is a flux quantum). The resolution increases 100 times at temperatures below 80 K. The capabilities of new micromagnetometers are demonstrated by measuring nm-scale movements of individual domain walls in a ferromagnet.",

keywords = "Hall probes, Micromagnetometry",

author = "Novoselov, {Kostya S.} and Morozov, {Sergey V.} and Dubonos, {Sergey V.} and M. Missous and Geim, {A. K.}",

year = "2004",

month = feb,

doi = "10.1142/S0219581X04001894",

language = "English",

volume = "3",

pages = "123--130",

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T1 - Metallic and semiconductor hall microprobes for wide temperature range applications

AU - Novoselov, Kostya S.

AU - Morozov, Sergey V.

AU - Dubonos, Sergey V.

AU - Missous, M.

AU - Geim, A. K.

PY - 2004/2

Y1 - 2004/2

N2 - We report on mesoscopic Hall sensors allowing accurate magnetization studies of submicron or nanometer-sized samples over a wide temperature range. Even at 300 K, the probes can reliably resolve local changes in dc field of ≈ 1 G with spatial resolution of ≈ 1 μm, which corresponds to a flux sensitivity of less than 0.1 φ0 (φ0 = h/e is a flux quantum). The resolution increases 100 times at temperatures below 80 K. The capabilities of new micromagnetometers are demonstrated by measuring nm-scale movements of individual domain walls in a ferromagnet.

AB - We report on mesoscopic Hall sensors allowing accurate magnetization studies of submicron or nanometer-sized samples over a wide temperature range. Even at 300 K, the probes can reliably resolve local changes in dc field of ≈ 1 G with spatial resolution of ≈ 1 μm, which corresponds to a flux sensitivity of less than 0.1 φ0 (φ0 = h/e is a flux quantum). The resolution increases 100 times at temperatures below 80 K. The capabilities of new micromagnetometers are demonstrated by measuring nm-scale movements of individual domain walls in a ferromagnet.

KW - Hall probes

KW - Micromagnetometry

U2 - 10.1142/S0219581X04001894

DO - 10.1142/S0219581X04001894

M3 - Article

SN - 1793-5350

VL - 3

SP - 123

EP - 130

JO - International Journal of Nanoscience

JF - International Journal of Nanoscience

IS - 1-2

ER -

Metallic and semiconductor hall microprobes for wide temperature range applications

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Keywords

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