A Magnetic Sensor with Amorphous Wire [PDF]
Sensors, 2014 Using a FeCoSiB amorphous wire and a coil wrapped around it, we have developed a sensitive magnetic sensor. When a 5 mm long amorphous wire with the diameter of 0.1 mm was used, the magnetic field noise spectrum of the sensor was about 30 pT/ÖHz above ...
Dongfeng He, Mitsuharu Shiwa
doaj +7 more sources
A Magnetic Sensor Based on the Nonlinear Effect of Co-Rich Amorphous Wire [PDF]
Sensors, 2022 A DC voltage induced by a DC magnetic field was observed for a coil with a Co-rich amorphous wire (FeCoSiB) as the core when an AC current flowed through the coil.
Dongfeng He
doaj +4 more sources
Design and Fabrication of a Miniaturized GMI Magnetic Sensor Based on Amorphous Wire by MEMS Technology [PDF]
Sensors, 2018 A miniaturized Co-based amorphous wire GMI (Giant magneto-impedance) magnetic sensor was designed and fabricated in this paper. The Co-based amorphous wire was used as the sense element due to its high sensitivity to the magnetic field.
Jiawen Chen +4 more
doaj +4 more sources
A Curvature Sensor Utilizing the Matteucci Effect in Amorphous Wire [PDF]
Sensors, 2023 The study of wearable sensors for human disease monitoring has developed into an important research area due to its potential for personalized health care. Various sensor types have been proposed for assessing the range of joint movement in patients with
Sahar Alimohammadi +2 more
doaj +2 more sources
PT-Level High-Sensitivity Magnetic Sensor with Amorphous Wire [PDF]
Sensors, 2019 A picotesla (PT) level high-sensitivity magnetic sensor with amorphous wire was developed. The magnetic sensor was composed of a (Fe0.06Co0.94)72.5Si2.5B15 (FeCoSiB) amorphous wire with a coil wound around it.
Dongfeng He
doaj +2 more sources
Low-Temperature Properties of the Magnetic Sensor with Amorphous Wire [PDF]
Sensors, 2020 We found that a magnetic sensor made of a coil wound around a 5 f0.1 mm (Fe0.06Co0.94)72.5Si2.5B15 (FeCoSiB) amorphous wire could operate in a wide temperature range from room temperature to liquid helium temperature (4.2 K).
Dongfeng He +7 more
doaj +2 more sources
Highly Integrated MEMS Magnetic Sensor Based on GMI Effect of Amorphous Wire [PDF]
Micromachines, 2019 In this paper, a highly integrated amorphous wire Giant magneto-impedance (GMI) magnetic sensor using micro electron mechanical system (MEMS) technology is designed, which is equipped with a signal conditioning circuit and uses a data acquisition card to
Jiawen Chen, Jianhua Li, Lixin Xu
doaj +2 more sources
Improving the Electrical Contact Performance for Amorphous Wire Magnetic Sensor by Employing MEMS Process [PDF]
Micromachines, 2018 This paper presents a novel fabrication method for amorphous alloy wire giant magneto-impedance (GMI) magnetic sensor based on micro electro mechanical systems (MEMS) technology. In this process, negative SU-8 thick photoresist was proposed as the solder
Yulong Chen +3 more
doaj +2 more sources
Microfluidic Detection of SPIONs and Co-Ferrite Ferrofluid Using Amorphous Wire Magneto-Impedance Sensor [PDF]
SensorsThe detection of magnetic nanoparticles in a liquid medium and the quantification of their concentration have the potential to improve the efficiency of several relevant applications in different fields, including medicine, environmental remediation, and
Gabriele Barrera +9 more
doaj +2 more sources
Reversible magnetic behavior in amorphous wires for precision sensing applications [PDF]
Scientific ReportsAmorphous magnetic wires based on Co-Fe alloys exhibit exceptionally soft magnetic behavior, making them attractive for advanced sensing technologies. Their magnetic performance is governed primarily by internal stresses, magnetoelastic interactions, and
T.-A. Óvári +5 more
doaj +2 more sources