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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Delooze, P. Panina, L.V. Mapps, D.J. Ueno, K. Sano, H. |
| Copyright Year | 1965 |
| Abstract | This paper reports experimental results on sensitive (up to 25%/Oe) asymmetric magnetoimpedance (AMI) in magnetic/metallic multilayers with crossed anisotropy, excited by a sinusoidal current (1-100 MHz) biased with a dc current. The film structure having two outer magnetic layers Co/sub 70.2/Fe/sub 7.8/B/sub 22/ and Cu inner lead is made on a glass substrate using dc sputtering. Each layer thickness is 0.5/spl mu/m. The magnetic anisotropy in the upper film is crossed with respect to that in the lower one, which is achieved by current annealing in a longitudinal magnetic field. The AMI characteristics are found by measuring the S/sub 11/ microwave parameter using a HP8753 spectrum analyzer. The asymmetric behavior of the impedance is more pronounced at relatively low frequencies of about a few megahertz where the impedance-field characteristics are caused by domain-wall dynamics. The obtained results present a very good compromise on size, sensitivity, and linearity. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3307 |
| Ending Page | 3309 |
| Page Count | 3 |
| File Size | 337798 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 39 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Anisotropic magnetoresistance Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic films Ambient intelligence Magnetic field measurement Impedance Magnetic multilayers Iron Glass |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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