Magnetic Sensor Chips and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "D:Materials and Processing".

Deadline for manuscript submissions: closed (15 January 2024) | Viewed by 1705

Special Issue Editors


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Guest Editor
School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China
Interests: magnetic sensor; MEMS; magnetic biosensor; micro/nano fabrication
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Guest Editor
Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576, Singapore
Interests: fabrication of novel magnetic films; heusler alloy; spin-orbitronics; topological materials; magnetoresistive random access memory
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A magnetic sensor can be defined as follows:  a sensitive element whose magnetic properties can be changed when affected by magnetic fields, current, heat, light, pressure, etc., and transform these stimuli into an electrical signal. Various magnetic sensor with good performance can be made using these substances. Today, magnetic sensors have become an indispensable cornerstone component in the information technology and information industries.

Currently, with the development of microelectronics technology, people have developed magnetic sensor chips using various physical, chemical and biological effects via micro-nano processing technology, which have been widely used in scientific research production and various aspects of society.

To promote the development of magnetic sensor chips and strengthen academic communication and innovations, we are launching this Special Issue, "Magnetic sensor chips and applications", which will focus on new magnetic sensor chip design, simulation, and fabrication, micro/nano fabrication of magnetic materials including metals, organic compounds, alloys, 2D materials, and any materials used in magnetic sensor, as well as the applications of magnetic sensor chips, such as current detecting, navigation, bio-detecting, angle detecting, non-destructive testing, etc. We are convinced that this Special Issue will play a beneficial role in promoting the future research of magnetic sensor chips and their applications.

Dr. Xuecheng Sun
Dr. Lizhu Ren
Guest Editors

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Keywords

  • magnetic sensor chip
  • micro/nano fabrication of magnetic material
  • new structure of magnetic sensor chip design and simulation
  • the application of magnetic sensor chip
  • magnetic biosensor
  • magnetic sensor chip based on 2D materials

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Published Papers (1 paper)

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Research

14 pages, 6061 KiB  
Article
Non-Contact Current Sensing System Based on the Giant Magnetoimpedance Effect of CoFeNiSiB Amorphous Ribbon Meanders
by Zhen Yang, Zhenbao Wang, Mengyu Liu and Xuecheng Sun
Micromachines 2024, 15(1), 161; https://doi.org/10.3390/mi15010161 - 21 Jan 2024
Cited by 2 | Viewed by 1383
Abstract
A sensitive non-contact sensing system based on the CoFeNiSiB amorphous ribbon giant magnetoimpedance (GMI) effect is proposed for current testing. The sensing system consists of a GMI probe, a sinusoidal current generator, a voltage follower, a preamplifier, a low-pass filter, and a peak [...] Read more.
A sensitive non-contact sensing system based on the CoFeNiSiB amorphous ribbon giant magnetoimpedance (GMI) effect is proposed for current testing. The sensing system consists of a GMI probe, a sinusoidal current generator, a voltage follower, a preamplifier, a low-pass filter, and a peak detector. Four different GMI probes derived from amorphous ribbon meanders are designed and fabricated through MEMS processes. GMI probes were driven by a 10 MHz, 5 mA AC current. A permanent magnet was used to provide a bias magnetic field for the probe. The effect of the bias magnetic field on the output DC voltage was investigated. This non-contact current sensing system exhibits good sensitivity and linearity at a bias magnetic field Hbias = 15 Oe. The sensitivity can reach up to 24.2 mV/A in the ±1.5 A range. Full article
(This article belongs to the Special Issue Magnetic Sensor Chips and Applications)
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