Physica B Condensed Matter, Volume 406, Issue 2, Pages 155-158 , 15/01/2011
Magnetoimpedance of cobalt-coated silicon steels
Abstract
Magnetoimpedance (MI) effect of cobalt-coated silicon steels is measured as a function of cobalt thickness (0-45 μm), DC magnetic field (02 kOe), frequency (1 kHz1 MHz) and magnitude (120 mA) of AC current. With increase in deposition thickness, the MI ratio and the characteristic frequency are decreased because the samples are magnetically hardened by the coating. Nevertheless, cobalt deposition broadens the frequency-dependent MI curves, and the frequency range with a large MI ratio is extended. The variations of this peak width as well as the characteristic frequency and the MI ratio are explained by the skin effect and crossing effect. © 2010 Elsevier B.V. All rights reserved.
Document Type
Article
Source Type
Journal
Keywords
Crossing effectElectrodepositionMagnetoimpedance effectSilicon steelsSkin effect
ASJC Subject Area
Engineering : Electrical and Electronic EngineeringPhysics and Astronomy : Condensed Matter PhysicsMaterials Science : Electronic, Optical and Magnetic Materials
Funding Agency
Walailak University