A permendur-piezoelectric multiferroic composite for low-noise ultrasensitive magnetic field sensors

2012 ◽  
Vol 100 (17) ◽  
pp. 173506 ◽  
Author(s):  
G. Sreenivasulu ◽  
U. Laletin ◽  
V. M. Petrov ◽  
V. V. Petrov ◽  
G. Srinivasan
Keyword(s):  
Magnetic Field ◽  
Low Noise ◽  
Magnetic Field Sensors ◽  
Multiferroic Composite

Amorphous Magnetoelastic Materials

1994 ◽  
Vol 360 ◽  
Author(s):  
H. T. Savage ◽  
Marilyn Wun-Fogle
Keyword(s):  
Magnetic Field ◽  
Melt Spinning ◽  
High Sensitivity ◽  
Low Noise ◽  
Tactile Sensors ◽  
Magnetic Anisotropy Energy ◽  
Magnetic Field Sensors ◽  
Crystalline Materials ◽  
Magnetoelastic Materials ◽  
Very High

AbstractThe outstanding feature of amorphous magnetoelastic alloys is the controllability of the magnetic anisotropy energy, Curie point, magnetostriction and magnetic moment. This control of material characteristics, achieved by magnetic and stress annealing plus changes incomposition, is impossible in crystalline materials. The control allows the design of tactile and magnetic field sensors with special features and very high sensitivity. The materials discussed are prepared by rapid solidification through melt spinning in ribbon and wire geometries and magnetron sputtering onto substrates. As an example of the advantagesof sputtered material, an accelerometer on silicon micro-cantilevers is shown. I-t has nocoils. The basic magnetoelastic theory that governs tactile sensors is shown. Low-noise magnetic field sensors with novel twist anisotropies and Barkhausen instabilities in wiresare discussed.

Computational Modeling of Optical Fiber-Based Magnetic Field Sensors Using the Faraday and Kerr Magnetooptic Effects

2020 ◽  
Vol 56 (9) ◽  
pp. 1-9
Author(s):  
Allamys Allan Dias da Silva ◽  
Henrique Patriota Alves ◽  
Felipe Camargo Marcolino ◽  
Jehan Fonseca do Nascimento ◽  
Joaquim Ferreira Martins-Filho
Keyword(s):  
Magnetic Field ◽  
Optical Fiber ◽  
Computational Modeling ◽  
Magnetic Field Sensors

Radiation-resistant magnetic field sensors based on SiO2(Ni)/Si structures

2019 ◽  
Vol 460 ◽  
pp. 209-211 ◽  
Author(s):  
E. Kaniukov ◽  
V. Bundyukova ◽  
D. Yakimchuk ◽  
A. Shumskaya ◽  
Yu. Bogatyrev ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Magnetic Field Sensors ◽  
Radiation Resistant

scholarly journals Development of a Transient Magnetic Field Sensor Based on Digital Integration and Frequency Equalization

Sensors ◽  
2021 ◽  
Vol 21 (13) ◽  
pp. 4268
Author(s):  
Hongzhi Ouyang ◽  
Xueling Yao ◽  
Jingliang Chen
Keyword(s):  
Magnetic Field ◽  
Electromagnetic Compatibility ◽  
Dynamic Range ◽  
Finite Impulse Response ◽  
Low Noise ◽  
Magnetic Field Sensor ◽  
Fiber System ◽  
Digital Integrator ◽  
Transient Magnetic Field ◽  
Field Sensor

Transient magnetic field sensors are used in various electromagnetic environment measurement scenarios. In this paper, a novel magnetic field sensor based on a digital integrator was developed. The antenna was a small B-DOT loop. It was designed optimally for the simulation. The magnetic field signal was digitally integrated with the improved Al-Alaoui algorithm, resulting in less integration error. To compensate for the bandwidth loss of the optical fiber system, we specially designed an FIR (finite impulse response) filter for frequency compensation. The circuit was described, and the transimpedance amplifier was specially designed to ensure the low noise characteristic of the receiver. The sensitivity of the sensor was calibrated at 68.2 A·m−1/mV, the dynamic range was 50 dB (1–300 kA/m), the linear correlation coefficient was 0.96, and the bandwidth was greater than 100 MHz. It was tested and verified under the action of an A-type lightning current. The sensor exhibited high-precision performance and flat amplitude-frequency characteristics. Therefore, it is suitable for lightning positioning, partial discharge testing, electromagnetic compatibility management, and other applications.

Current-controlled magneto-resistive effect in bulk Y-Ba-Cu-O + CuO composites and their application as magnetic-field sensors at 77 K

2006 ◽  
Vol 101 (S1) ◽  
pp. S24-S26
Author(s):  
D. A. Balaev ◽  
K. A. Shaikhutdinov ◽  
S. I. Popkov ◽  
D. M. Gokhfeld ◽  
M. I. Petrov
Keyword(s):  
Magnetic Field ◽  
Magnetic Field Sensors
Sign in / Sign up

Export Citation Format

Share Document