Frequency-modulation-type MI sensor with nanocrystalline ribbon core

Wu, Zhiming; Zhao, Zhenjie; Jie, Yang; Liu, L.P.; Yang, Xinliang

doi:10.1016/j.sna.2005.03.019

Cited by 11 publications

(3 citation statements)

References 11 publications

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“…This effect is promising due to its possible application in the development of the highly sensitive magnetic-field sensors [4][5][6]. And it has been widely studied in Co-based amorphous wires or ribbons with slightly negative magnetostriction, and a circumferential (in the case of a wire) or transverse anisotropy (in the case of a ribbon) is often formed by tensile stress annealing or transverse magnetic field annealing to realize a large OMI effect [7][8][9].…”

Section: Effect (Gmi);mentioning

confidence: 99%

Design and characteristic analysis of giant magnetoimpedance sensor in Fe-based nanocrystalline ribbons

Chai

Gan

2011

Proceedings of 2011 International Conference on Electronics and Optoelectronics

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Section: Effect (Gmi);mentioning

confidence: 99%

Design and characteristic analysis of giant magnetoimpedance sensor in Fe-based nanocrystalline ribbons

Chai

Gan

2011

Proceedings of 2011 International Conference on Electronics and Optoelectronics

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“…At present, most GMI sensors reported were designed to AM(amplitude-modulation-type) base on circumferential driving mode [2,3,4]. However, the FM(frequency -modulation-type) sensors usually have lower cost and better signal to noise ratio [5] compared with the AM magnetic sensors.…”

Section: Introductionmentioning

confidence: 99%

A Frequency Modulation GMI Magnetic Sensor Base on Inverter Multivibrator with Longitudinal Excitation

Yang

Huang

2013

AMM

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Frequency Modulation (FM) GMI Magnetic Sensors has excellent performance in high signal-to-noise ratio and low power consumption. In this article, the FM magnetic sensors with longitudinal excitation are presented. The inductance of the sensing head versus the excitation frequency and the external magnetic field is tested by the impedance analyzer. The results show that the inductance is sensitive with the excitation frequency from 200kHz to 600kHz. The bias magnetic field generated by a permanent magnet is used to make the sensing head working at a linear region with the highest sensitivity. Three kinds of magnetic sensors with different inverter multivibrators circuits are illustrated and their static characteristics are provided through calibration experiments and data analysis. It shows that the first type has the highest sensitivity (41.0kHz/Oe) and the third type has the best linearity.

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“…Giant magneto-impedance (GMI) effect has been the focus of increasing attention for its potential applications in highly sensitive magnetic sensors [1,2]. It is well known that the phenomenon has a classical electromagnetic origin.…”

Section: Introductionmentioning

confidence: 99%

Longitudinally driven giant magneto-impedance effect enhancement by magneto-mechanical resonance

Gong

Lin

et al. 2008

Journal of Magnetism and Magnetic Materials

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Frequency-modulation-type MI sensor with nanocrystalline ribbon core

Cited by 11 publications

References 11 publications

Design and characteristic analysis of giant magnetoimpedance sensor in Fe-based nanocrystalline ribbons

Design and characteristic analysis of giant magnetoimpedance sensor in Fe-based nanocrystalline ribbons

A Frequency Modulation GMI Magnetic Sensor Base on Inverter Multivibrator with Longitudinal Excitation

Longitudinally driven giant magneto-impedance effect enhancement by magneto-mechanical resonance

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