Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 321, Issue 23, Pages 3875-3877Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2009.07.053
Keywords
Magnetoimpedance; Magnetic microwires; Magnetic anisotropy
Funding
- Slovak Ministry of Education [VEGA-1/0076/09]
- Spanish MEC [MAT 2006-13925-C02-01, JC2007-00332]
- Slovak Agency SAIA
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We present the study of Giant Magneto Impedance (GMI) effect in magnetic microwires with zero magnetostriction. It is shown that the temperature response of GMI effect can be enhanced by 80% through the relative temperature dependence of magnetization and anisotropy. However, such effect appears only for low amplitudes of exciting current that induces exciting magnetic field below the anisotropy field of the wire. On the other hand, when measuring at high exciting current (when the exciting field exceeds the anisotropy field), the GMI response decreases monotonically with temperature. (C) 2009 Elsevier B.V. All rights reserved.
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