Enhancing linearity of open-loop parallel fluxgate sensors via induced anisotropy in amorphous wires.

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Title: Enhancing linearity of open-loop parallel fluxgate sensors via induced anisotropy in amorphous wires.
Authors: Mu, Chunyang1 (AUTHOR), Pan, Lining1 (AUTHOR), Ma, Haoran1 (AUTHOR), Su, Mengran1 (AUTHOR), He, Aina1 (AUTHOR), Dong, Yaqiang1 (AUTHOR), Man, Qikui1 (AUTHOR), Li, Deren1,2 (AUTHOR) derenli@bjtu.edu.cn, Li, Jiawei1 (AUTHOR) lijw@nimte.ac.cn
Source: Journal of Alloys & Compounds. May2025, Vol. 1027, pN.PAG-N.PAG. 1p.
Subjects: Magnetic noise, Magnetic fields, Magnetic properties, Magnetic sensors, Permeability
Abstract: Fluxgate sensors with amorphous wires can meet stringent volume constraints in an open-loop configuration. However, achieving consistent linearity over a broad range remains a significant challenge. In this study, we demonstrate that the transverse anisotropy resulting from tensile stress annealing (TSA) helps reduce the second harmonic component in the induced signal and improves the magnetization stability of the amorphous wires under varying external magnetic fields. This enhancement is beneficial for improving the linearity of the open-loop parallel fluxgate sensor. Additionally, this study provides clarity on how TSA contributes to improved sensor linearity, by examining the relationships among TSA, permeability, AC/DC hysteresis profiles, and the dynamics of domain structures. Notably, the optimization of linearity through TSA is accompanied by a corresponding increase in sensor noise levels. • TSA significantly enhances the linearity of fluxgate sensors with amorphous wires in an open-loop configuration. • TSA induces significant transverse anisotropy, suppressing second-order harmonics and enhancing magnetization stability. • Consistent magnetization state across varying external magnetic fields enhances fluxgate sensor linearity. • TSA enhances fluxgate sensors linearity with a corresponding increase in sensor noise levels. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 184995390
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  Data: Enhancing linearity of open-loop parallel fluxgate sensors via induced anisotropy in amorphous wires.
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  Data: <searchLink fieldCode="AR" term="%22Mu%2C+Chunyang%22">Mu, Chunyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pan%2C+Lining%22">Pan, Lining</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Haoran%22">Ma, Haoran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Su%2C+Mengran%22">Su, Mengran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22He%2C+Aina%22">He, Aina</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Yaqiang%22">Dong, Yaqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Man%2C+Qikui%22">Man, Qikui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Deren%22">Li, Deren</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> derenli@bjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Jiawei%22">Li, Jiawei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lijw@nimte.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. May2025, Vol. 1027, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Magnetic+noise%22">Magnetic noise</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+properties%22">Magnetic properties</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+sensors%22">Magnetic sensors</searchLink><br /><searchLink fieldCode="DE" term="%22Permeability%22">Permeability</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Fluxgate sensors with amorphous wires can meet stringent volume constraints in an open-loop configuration. However, achieving consistent linearity over a broad range remains a significant challenge. In this study, we demonstrate that the transverse anisotropy resulting from tensile stress annealing (TSA) helps reduce the second harmonic component in the induced signal and improves the magnetization stability of the amorphous wires under varying external magnetic fields. This enhancement is beneficial for improving the linearity of the open-loop parallel fluxgate sensor. Additionally, this study provides clarity on how TSA contributes to improved sensor linearity, by examining the relationships among TSA, permeability, AC/DC hysteresis profiles, and the dynamics of domain structures. Notably, the optimization of linearity through TSA is accompanied by a corresponding increase in sensor noise levels. • TSA significantly enhances the linearity of fluxgate sensors with amorphous wires in an open-loop configuration. • TSA induces significant transverse anisotropy, suppressing second-order harmonics and enhancing magnetization stability. • Consistent magnetization state across varying external magnetic fields enhances fluxgate sensor linearity. • TSA enhances fluxgate sensors linearity with a corresponding increase in sensor noise levels. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jallcom.2025.180636
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Magnetic noise
        Type: general
      – SubjectFull: Magnetic fields
        Type: general
      – SubjectFull: Magnetic properties
        Type: general
      – SubjectFull: Magnetic sensors
        Type: general
      – SubjectFull: Permeability
        Type: general
    Titles:
      – TitleFull: Enhancing linearity of open-loop parallel fluxgate sensors via induced anisotropy in amorphous wires.
        Type: main
  BibRelationships:
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            NameFull: Mu, Chunyang
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            NameFull: Pan, Lining
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            NameFull: Ma, Haoran
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            NameFull: Su, Mengran
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            NameFull: He, Aina
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            NameFull: Dong, Yaqiang
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            NameFull: Man, Qikui
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            NameFull: Li, Deren
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            NameFull: Li, Jiawei
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          Dates:
            – D: 10
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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            – Type: issn-print
              Value: 09258388
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            – Type: volume
              Value: 1027
          Titles:
            – TitleFull: Journal of Alloys & Compounds
              Type: main
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