Magnetic transitions of permalloy rings in hybrid devices

Marcus Steiner; Guido Meier; Ulrich Merkt; Junsaku Nitta

doi:10.1016/j.physe.2004.04.012

Magnetic transitions of permalloy rings in hybrid devices

Marcus Steiner, Guido Meier, Ulrich Merkt, Junsaku Nitta

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

4 Citations (Scopus)

Abstract

Fringe-field-induced local Hall magnetometry is applied to investigate microstructured NiFe rings. The semiconductor-based technique yields a high detection sensitivity of magnetic stray fields. This allows an accurate measurement of different magnetic configurations and their reversible and irreversible transitions. The corresponding spatial magnetic moment distribution is calculated by micromagnetic simulations. Additionally, the stray field of the simulated configurations and the resulting magnetic-force microscopy images are computed. The latter is compared to measurements and thus gives deeper insight into the understanding of magnetic configurations in rings and their modeling.

Original language	English
Pages (from-to)	124-128
Number of pages	5
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	24
Issue number	1-2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physe.2004.04.012
Publication status	Published - 2004 Aug 1
Externally published	Yes
Event	Proceedings of the Intenational Symposium on Functional - Atsugi/Kanagawa, Japan Duration: 2003 Nov 12 → 2003 Nov 14

Keywords

Ferromagnetic ring structures
Fringe fields
Hall micromagnetometry
Micromagnetic simulations

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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title = "Magnetic transitions of permalloy rings in hybrid devices",

abstract = "Fringe-field-induced local Hall magnetometry is applied to investigate microstructured NiFe rings. The semiconductor-based technique yields a high detection sensitivity of magnetic stray fields. This allows an accurate measurement of different magnetic configurations and their reversible and irreversible transitions. The corresponding spatial magnetic moment distribution is calculated by micromagnetic simulations. Additionally, the stray field of the simulated configurations and the resulting magnetic-force microscopy images are computed. The latter is compared to measurements and thus gives deeper insight into the understanding of magnetic configurations in rings and their modeling.",

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author = "Marcus Steiner and Guido Meier and Ulrich Merkt and Junsaku Nitta",

year = "2004",

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language = "English",

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T1 - Magnetic transitions of permalloy rings in hybrid devices

AU - Steiner, Marcus

AU - Meier, Guido

AU - Merkt, Ulrich

AU - Nitta, Junsaku

PY - 2004/8/1

Y1 - 2004/8/1

N2 - Fringe-field-induced local Hall magnetometry is applied to investigate microstructured NiFe rings. The semiconductor-based technique yields a high detection sensitivity of magnetic stray fields. This allows an accurate measurement of different magnetic configurations and their reversible and irreversible transitions. The corresponding spatial magnetic moment distribution is calculated by micromagnetic simulations. Additionally, the stray field of the simulated configurations and the resulting magnetic-force microscopy images are computed. The latter is compared to measurements and thus gives deeper insight into the understanding of magnetic configurations in rings and their modeling.

AB - Fringe-field-induced local Hall magnetometry is applied to investigate microstructured NiFe rings. The semiconductor-based technique yields a high detection sensitivity of magnetic stray fields. This allows an accurate measurement of different magnetic configurations and their reversible and irreversible transitions. The corresponding spatial magnetic moment distribution is calculated by micromagnetic simulations. Additionally, the stray field of the simulated configurations and the resulting magnetic-force microscopy images are computed. The latter is compared to measurements and thus gives deeper insight into the understanding of magnetic configurations in rings and their modeling.

KW - Ferromagnetic ring structures

KW - Fringe fields

KW - Hall micromagnetometry

KW - Micromagnetic simulations

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DO - 10.1016/j.physe.2004.04.012

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AN - SCOPUS:3142743186

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SP - 124

EP - 128

JO - Physica E: Low-Dimensional Systems and Nanostructures

JF - Physica E: Low-Dimensional Systems and Nanostructures

SN - 1386-9477

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