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Sensors 2009, 9(11), 9216-9240; doi:10.3390/s91109216

Thin Magnetically Soft Wires for Magnetic Microsensors

Dpto. Física de Materiales, Facultad de Química, UPV/EHU, P.O. Paseo Manuel de Lardizabal, 3, 20018, San Sebastián, Spain
TAMAG Ibérica S.L., Parque Tecnológico de Miramón, Paseo Mikeletegi 56, 1ª Planta, 20009 San Sebastián, Spain
Author to whom correspondence should be addressed.
Received: 29 September 2009 / Revised: 9 November 2009 / Accepted: 11 November 2009 / Published: 18 November 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain)


Recent advances in technology involving magnetic materials require development of novel advanced magnetic materials with improved magnetic and magneto-transport properties and with reduced dimensionality. Therefore magnetic materials with outstanding magnetic characteristics and reduced dimensionality have recently gained much attention. Among these magnetic materials a family of thin wires with reduced geometrical dimensions (of order of 1–30 μm in diameter) have gained importance within the last few years. These thin wires combine excellent soft magnetic properties (with coercivities up to 4 A/m) with attractive magneto-transport properties (Giant Magneto-impedance effect, GMI, Giant Magneto-resistance effect, GMR) and an unusual re-magnetization process in positive magnetostriction compositions exhibiting quite fast domain wall propagation. In this paper we overview the magnetic and magneto-transport properties of these microwires that make them suitable for microsensor applications.
Keywords: glass coated microwires; Barkhausen jump; magnetization curves glass coated microwires; Barkhausen jump; magnetization curves
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhukova, V.; Ipatov, M.; Zhukov, A. Thin Magnetically Soft Wires for Magnetic Microsensors. Sensors 2009, 9, 9216-9240.

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