Results 211 to 220 of about 5,333 (249)

GMI effect in CuO coated Co-based amorphous ribbons

Journal of Alloys and Compounds, 2009
A Copper oxide (CuO) film has been grown on a surface of Co-based amorphous ribbon using chemical successive ionic layer adsorption and reaction technique, at room temperature and atmosphere pressure. The influence of coating and width of ribbon on giant magneto impedance have been investigated over a frequency range from 0.1 to 3 MHz and under a ...
DEREBAŞI, NAİM, PEKSÖZ, AHMET, Kaynak, Gokay, Irez, Gazi, Taysioglu, Ash Ayten, Kaya, Yunus   +5 more
openaire   +2 more sources

Ring shaped magnetic field transducer based on the GMI effect

Measurement Science and Technology, 2008
In this paper the design of a magnetic-field-to-voltage transducer based on the giant magnetoimpedance phenomenon (GMI) is proposed, characterized by an innovative geometric configuration. In order to attain the best near-field sensibility and far-field immunity, the transducer's sensitive element and electronic circuit were planned and implemented. By
F Pompéia, L A P Gusmão, C R Hall Barbosa, E Costa Monteiro, L A P Gonçalves, F L A Machado   +5 more
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Studies of thin microwires with enhanced magnetic softness and GMI effect

physica status solidi (a), 2009
AbstractIn this paper we studied the hysteresis loop and GMI effect (real component of impedance, Z, and the off‐diagonal impedance tensor ζϕz (Hex)) in ultra‐thin amorphous glass‐coated microwires with nearly‐zero and negative magnetostriction constant with metallic nucleus diameter ranging from 6 μm to 16 μm paying special attention to the effect of ...
A. Zhukov, M. Ipatov, J. M. Blanco, J. Gonzalez, V. Zhukova   +4 more
openaire   +1 more source

Effect of tensile stresses on GMI of Co-rich amorphous microwires

IEEE Transactions on Magnetics, 2005
Co/sub 67/Fe/sub 3.85/Ni/sub 1.45/B/sub 11.5/Si/sub 14.5/Mo/sub 1.7/ glass-coated amorphous microwires were prepared by Taylor-Ulitovski method under applied tensile stress and its effects on the giant magneto-impedance (GMI) were studied. The impedance was evaluated using an impedance analyzer at frequency of 10 MHz and network analyzer at frequency ...
C. Garcia, A. Zhukov, J.M. Blanco, V. Zhukova, M. Ipatov, J. Gonzalez   +5 more
openaire   +1 more source

Effect of glass removal on the GMI effect of Co71.8Fe4.9Nb0.8Si7.5B15 amorphous glass-covered wires

Rare Metals, 2006
Abstract During the past several years, giant magneto-impedance effect (GMI) in amorphous wires has generated growing interest in the science community because of their applications in sensors. The giant magneto-impedance effect in Co71.8Fe4.9Nb0.8Si7.5B15 amorphous glass-covered wires (AGCW) consists of strong changes in the high frequency impedance
Z CHEN, S BA, D LI, Z LU, S ZHOU
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GMI Effect Automatic Test System Based on Network Analyzer

2018 37th Chinese Control Conference (CCC), 2018
The measuring instrument selects the network analyzer, combines the direct current source and the Helmholtz coil to form the GMI effect test system. PC program written in Lab View, network analyzer and DC current source is controlled by the host computer.
Zhi Zhao, Hengchang Rao, Fang Jin, Jinchao Wang, Lei Zhu, Junlei Song, Kaifeng Dong, Wenqin Mo   +7 more
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Engineering of GMI Effect of Fe-Rich Microwires by Stress Annealing

2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama), 2018
We observed considerable improvement of magnetic softness and giant magnetoimpedance effect (GMI) effect of the Fe-rich glass-coated microwire subjected to stress-annealing. Observed experimental dependencies are discussed considering various factors affecting the magnetic properties of studied microwire upon stress-annealing: induced magnetic ...
A. Zhukov, M. Ipatov, J. M. Blanco, V. Zhukova   +3 more
openaire   +1 more source

High-frequency GMI effect in glass-coated amorphous wires

Journal of Alloys and Compounds, 2009
Abstract The giant magneto-impedance (GMI) attracted growing attention especially owing to the large sensitivity of the electrical impedance to the DC magnetic field, when the relatively high-frequency electrical current flows along the magnetic conductor.
C. García, V. Zhukova, M. Ipatov, J. González, J.M. Blanco, A. Zhukov   +5 more
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GMI effect of Fe73.5−xCrxCu1Nb3Si13.5B9 amorphous and nanocrystalline soft wires

Journal of Magnetism and Magnetic Materials, 2002
Abstract Giant magneto-impedance, GMI, effect of Fe 73.5− x Cr x Cu 1 Nb 3 Si 13.5 B 9 ( x =0 and 10) amorphous and nanocrystalline soft wires has been measured at the frequency range from 0.005 up to 5 MHz as a function of the varying DC axial field up to ±140 Oe.
Y.-F Li, M Vázquez, D.-X Chen
openaire   +1 more source

Tailoring of Magnetic Properties and GMI Effect in Thin Amorphous Wires

2014
We studied Giant magnetoimpedance (GMI) effect and magnetic properties of amorphous Fe-Co rich as-prepared and annealed microwires. We measured the GMI magnetic field and frequency dependences, hysteresis loops and domain walls (DWs) dynamics of composite microwires produced by the Taylor-Ulitovski technique.
Arcady Zhukov, Mihail Ipatov, Ahmed Talaat, Juan Maria Blanco, Valentina Zhukova   +4 more
openaire   +1 more source