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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Plymouth

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Article title

Asymmetric magnetoimpedance in self-biased layered CoFe/CoNi microwires

Type

D - Journal article

DOI

10.1063/1.3075601

Title of journal

JOURNAL OF APPLIED PHYSICS

Article number

ARTN 033911

Volume number

105

Issue number

First page of article

ISSN of journal

0021-8979

Year of publication

2009

URL

http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000263409700066&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008

Number of additional authors

Additional information

The magnetoimpedance effect is extensively used for developing high-sensitivity miniature magnetic sensors. We introduce a novel magnetoimpedance element, comprising a soft nucleus (CoFeSiB), intermediate nonmagnetic insulating layer, and hard outer shell (CoNi). An asymmetric magnetoimpedance response from the soft layer is obtained, through magnetostatic coupling with the hard phase. This makes biphase microwires very attractive as sensing elements in magnetic-field sensor devices and materials, since they exhibit self-bias and asymmetric magnetoimpedance. This collaborative work involved Plymouth University and Institute for Materials Science, CSIC, Madrid.

Interdisciplinary

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract