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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/11058

Title: Torsion annealing influence on the impedance behaviour in amorphous FeSiB and CoSiB wires
Author(s): Sánchez Fernández, Tatiana
Álvarez Alonso, Pablo
Pérez Fernández, María José
Belzunce Varela, Francisco Javier
Santos Rodríguez, Jesús Daniel
Sánchez Llamazares, José Luis
Sánchez Rodríguez, María Luisa
Gorría Korres, Pedro
Hernando Grande, Blanca
Keywords: Amorphous Metals
Metallic Glasses
Magnetic Properties
Issue date: 2007
Publisher: Elsevier
Publisher version: http://dx.doi.org/10.1016/j.jnoncrysol.2006.12.098
Citation: Journal of Non-Crystalline Solids, 353(8-10), p. 914-918(2007); doi:10.1016/j.jnoncrysol.2006.12.098
Format extent: p. 914-918
Abstract: An experimental study on the influence of a dc magnetic field on the real and imaginary parts of axial diagonal (ζzz) and off-diagonal (ζϕz) components of the surface magnetoimpedance (MI) tensor in amorphous Fe77.5Si7.5B15 and Co72.5Si12.5B15 wires has been performed. The impedance characteristics have been analysed in the as-cast wires and after being torsion annealed. The ac drive current was 5 mArms flowing along the wires in the frequency range from 0.45 to 0.8 MHz. The MI behaviours can be ascribed to the different domain structures of positive and negative magnetostriction wires, before and after the intrinsic anisotropy distribution has been also modified by the annealing treatment.
URI: http://www.sciencedirect.com/science/article/pii/S0022309307000476
ISSN: 0022-3093
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