High Performance Magnetoimpedance in FeNi/Ti Nanostructured Multilayers with Opened Magnetic Flux

被引：25

作者：

Fernandez, E. ^{[1
]}

Svalov, A. V. ^{[1
,2
]}

Garcia-Arribas, A. ^{[1
]}

Feuchtwanger, J. ^{[1
]}

Barandiaran, J. M. ^{[1
]}

Kurlyandskaya, G. V. ^{[1
]}

机构：

[1] Univ Pais Vasco UPV EHU, Dept Elect & Elect, Leioa 48940, Spain

[2] Ural Fed Univ, Dept Magnetism & Magnet Nanomat, Ekaterinburg 620083, Russia

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2012年 / 12卷 / 09期

关键词：

Magnetic Anisotropy; Magnetoimpedance; Multilayered Structure; Magnetic Field Sensors; GIANT-MAGNETOIMPEDANCE; SENSITIVE ELEMENT; DOMAIN-STRUCTURE; THIN-FILMS; IMPEDANCE; SUBSTRATE;

D O I：

10.1166/jnn.2012.6545

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Magnetic [FeNi (170 nm)/Ti (6 nm)](3)/Cu (L-Cu = 250 or 500 nm)/[Ti (6 nm)/FeNi (170 nm)](3) multilayers were designed with focus on high frequency applications. They were deposited onto glass or a microfluidic system compatible flexible Ciclo Olefin Copolymer substrate and comparatively tested. A maximum sensitivity for the total impedance of 110%/Oe was obtained for a driving current frequency of 30 MHz for [FeNi/Ti](3)/Cu (L-Cu = 500 nm)/Ti/FeNi](3) multilayers deposited onto a glass substrate and 45%/Oe for a driving current frequency of 65 MHz for the same multilayers deposited onto the flexible polymer substrate, a very promising result for applications. The possibility of using flexible substrate/[FeNi/Ti](3)/Cu/[Ti/FeNi](3) multilayers as MI pressure-sensitive elements was also demonstrated.

引用

页码：7496 / 7500

页数：5

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