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Title: Development of micro Ni80Fe20/Cu composite wire by cold-drawing
Authors: Seet, H.L. 
Li, X.P. 
Lee, K.S. 
Yap, C.S.
Zheng, H.M.
Keywords: Cold-drawing
Composite wires
Magnetic properties and measurements
Magneto-impedance effect
Issue Date: 18-May-2006
Citation: Seet, H.L., Li, X.P., Lee, K.S., Yap, C.S., Zheng, H.M. (2006-05-18). Development of micro Ni80Fe20/Cu composite wire by cold-drawing. Thin Solid Films 505 (1-2) : 148-151. ScholarBank@NUS Repository.
Abstract: In the development of highly sensitive bio-magnetic field sensors, extremely magnetically soft sensing elements are essential. Cold-drawn wires have been known to possess high uniformity in material composition and microstructure. In this study, Ni80Fe20/Cu composite microwires, with an overall diameter of 96 μm and a thickness ratio Ni 80Fe20/Cu/Ni80Fe20 of 1:4:1, were developed through the process of cold-drawing. The results showed that the ratio of the NiFe layer thickness to the copper core remained unchanged throughout the drawing process, the cold-drawn wire has a longitudinal anisotropy, and the permeability of permalloy in the cold-drawn wire can be enhanced by increasing the temperature in annealing. © 2005 Elsevier B.V. All rights reserved.
Source Title: Thin Solid Films
ISSN: 00406090
DOI: 10.1016/j.tsf.2005.10.025
Appears in Collections:Staff Publications

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