Accelerometer and Magnetometer: From Fundamentals to Applications, 2nd Edition

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

Deadline for manuscript submissions: 30 June 2024 | Viewed by 627

Special Issue Editors


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Guest Editor
TianQin Research Center for Gravitational Physics, School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, China
Interests: MEMS; micro-sensors; micro-actuators; micromachined design and optimization; advanced microfabrication techniques; detecting and conditioning circuits

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Guest Editor
PGMF and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: MEMS; accelerometer; tilt sensor; seismic sensor; gravity sensor
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Special Issue Information

Dear Colleagues,

Accelerometers and magnetometers are widely applied in consumer electronics, automobiles, precision manufacturing and defense, aerospace and geophysical functions. MEMS technology can meet these applications’ requirements of Cost, Size, Weight and Power (CSWaP) and performance, although some sensors still demonstrate scientific barriers to such uses. Key challenges include, but are not limited to, the following: microfabrication processes, new materials, device design and optimization, interface circuits, signal processing and sensor fusions. In addition, the promising new mechanisms of micromachines, such as atomic, optical levitation and optomechanical technologies, are of great interest. This Special Issue calls for original research papers and reviews detailing state-of-the-art results on the present topic.

Prof. Dr. Liangcheng Tu
Prof. Dr. Huafeng Liu
Guest Editors

Manuscript Submission Information

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Keywords

  • accelerometer
  • magnetometer
  • MEMS sensor
  • inertial sensor
  • seismometer
  • gravimeter
  • sensing mechanism
  • sensor fusion
  • inertial navigation
  • new application

Published Papers (1 paper)

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Research

11 pages, 2195 KiB  
Article
High-Dynamic-Range Integrated NV Magnetometers
by Tianning Wang, Zhenhua Liu, Yankang Liu, Bo Wang, Yuanyuan Shen and Li Qin
Micromachines 2024, 15(5), 662; https://doi.org/10.3390/mi15050662 - 18 May 2024
Viewed by 447
Abstract
High-dynamic-range integrated magnetometers demonstrate extensive potential applications in fields involving complex and changing magnetic fields. Among them, Diamond Nitrogen Vacancy Color Core Magnetometer has outstanding performance in wide-range and high-precision magnetic field measurement based on its inherent high spatial resolution, high sensitivity and [...] Read more.
High-dynamic-range integrated magnetometers demonstrate extensive potential applications in fields involving complex and changing magnetic fields. Among them, Diamond Nitrogen Vacancy Color Core Magnetometer has outstanding performance in wide-range and high-precision magnetic field measurement based on its inherent high spatial resolution, high sensitivity and other characteristics. Therefore, an innovative frequency-tracking scheme is proposed in this study, which continuously monitors the resonant frequency shift of the NV color center induced by a time-varying magnetic field and feeds it back to the microwave source. This scheme successfully expands the dynamic range to 6.4 mT, approximately 34 times the intrinsic dynamic range of the diamond nitrogen-vacancy (NV) center. Additionally, it achieves efficient detection of rapidly changing magnetic field signals at a rate of 0.038 T/s. Full article
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