Electroplated FeNi ring cores for fluxgates with field induced radial anisotropy
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článek v časopisejournal article
Peer-reviewed
publishedVersion
Author
Butta M.
Ripka P.
Janošek M.
Přibil M.
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Being able to control the anisotropy of a magnetic core plays an important role in the development of a fluxgate sensor. Our aim is to induce anisotropy orthogonal to the direction of excitation because it generates a stable, low-noise fluxgate, as cited in the literature. In this paper, we present an original method for electroplating a ring core for a fluxgate with built-in radial anisotropy by performing the electroplating in a radial field produced by a novel yoke. The results show that the resulting anisotropy is homogeneously radial and makes the magnetization rotate, avoiding domain wall movement for low excitation fields.
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