Measurements of nanomagnetic bead relaxation dynamics using planar Hall effect magnetometer

Proloy T. Das; H. Nhalil; M. Schultz; A. Grosz; L. Klein

doi:10.1063/5.0042804

Measurements of nanomagnetic bead relaxation dynamics using planar Hall effect magnetometer

Proloy T. Das, H. Nhalil, M. Schultz, A. Grosz, L. Klein

Department of Electrical & Computer Engineering

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

2 Scopus citations

Abstract

We study the magnetization dynamics of nanomagnetic beads with a diameter ranging from 80 to 250 nm in frequency and time domains using a high-resolution elliptical planar Hall effect (EPHE) sensor integrated with a fluidic channel. We find that the dynamics are well described with Cole-Cole and exponential decay models for frequency and time domains, respectively. We discuss the potential use of EPHE sensors in lab-on-a-chip applications.

Original language	English
Article number	124506
Journal	Journal of Applied Physics
Volume	129
Issue number	12
DOIs	https://doi.org/10.1063/5.0042804
State	Published - 28 Mar 2021

ASJC Scopus subject areas

Physics and Astronomy (all)

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10.1063/5.0042804

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title = "Measurements of nanomagnetic bead relaxation dynamics using planar Hall effect magnetometer",

abstract = "We study the magnetization dynamics of nanomagnetic beads with a diameter ranging from 80 to 250 nm in frequency and time domains using a high-resolution elliptical planar Hall effect (EPHE) sensor integrated with a fluidic channel. We find that the dynamics are well described with Cole-Cole and exponential decay models for frequency and time domains, respectively. We discuss the potential use of EPHE sensors in lab-on-a-chip applications.",

author = "Das, {Proloy T.} and H. Nhalil and M. Schultz and A. Grosz and L. Klein",

note = "Funding Information: This work was supported by the Planning and Budgeting Committee (PBC) of the Council for Higher Education of Israel under Award No. vat/bat/cyc6/102. Publisher Copyright: {\textcopyright} 2021 Author(s).",

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AU - Das, Proloy T.

AU - Nhalil, H.

AU - Schultz, M.

AU - Grosz, A.

AU - Klein, L.

N1 - Funding Information: This work was supported by the Planning and Budgeting Committee (PBC) of the Council for Higher Education of Israel under Award No. vat/bat/cyc6/102. Publisher Copyright: © 2021 Author(s).

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N2 - We study the magnetization dynamics of nanomagnetic beads with a diameter ranging from 80 to 250 nm in frequency and time domains using a high-resolution elliptical planar Hall effect (EPHE) sensor integrated with a fluidic channel. We find that the dynamics are well described with Cole-Cole and exponential decay models for frequency and time domains, respectively. We discuss the potential use of EPHE sensors in lab-on-a-chip applications.

AB - We study the magnetization dynamics of nanomagnetic beads with a diameter ranging from 80 to 250 nm in frequency and time domains using a high-resolution elliptical planar Hall effect (EPHE) sensor integrated with a fluidic channel. We find that the dynamics are well described with Cole-Cole and exponential decay models for frequency and time domains, respectively. We discuss the potential use of EPHE sensors in lab-on-a-chip applications.

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JO - Journal of Applied Physics

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Measurements of nanomagnetic bead relaxation dynamics using planar Hall effect magnetometer

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