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Journal articles

All-electrical magnetic vortex array sensing

Abstract : Vortex sensing magnetometers based on arrays of soft magnetic dots are good candidates for high-resolution and accurate spatial magnetic-field estimation. When the arrays are laid out along different spatial directions they can perform tensor gradiometry allowing the measurement of field components and their spatial derivatives as a function of orientation. Detection is based on using spin-polarized currents to counteract vortex displacements or to excite vortex oscillation modes triggered by magnetic-field application. Sensor linearization, field detection range and conditions to obtain large sensitivity electronic compatibility and scalability are discussed.
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Submitted on : Wednesday, June 1, 2022 - 5:06:29 PM
Last modification on : Thursday, June 2, 2022 - 3:39:37 AM




C. Tannous, J. Gieraltowski. All-electrical magnetic vortex array sensing. Europhysics Letters, 2016, 115, pp.40001. ⟨10.1209/0295-5075/115/40001⟩. ⟨insu-03684937⟩



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