微加工坡莫合金/铜器件中巨磁阻抗效应和磁滞现象的研究

TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference Pub Date : 2007-06-10 DOI:10.1109/SENSOR.2007.4300698

O. Zorlu, P. Kejik, R. Popovic

{"title":"微加工坡莫合金/铜器件中巨磁阻抗效应和磁滞现象的研究","authors":"O. Zorlu, P. Kejik, R. Popovic","doi":"10.1109/SENSOR.2007.4300698","DOIUrl":null,"url":null,"abstract":"In this paper, we present the giant-magneto-impedance (GMI) effect in a microfabricated closed Permalloy core which surrounds a copper excitation rod. We measured a 90% change in the inductance value of the device for a sinusoidal excitation at 500 kHz in a 4.5mT range. The change in the device resistance is negligible for excitation frequencies below 1 MHz, and goes above 14% for 30 MHz excitation. Magnetic hysteresis of the device inductance is studied and improved by applying periodic \"degauss\" pulses during measurement, instead of increasing the amplitude of the excitation current or using traditional annealing processes.","PeriodicalId":23295,"journal":{"name":"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2007-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Investigation of Giant-Magneto-Impedance (GMI) Effect and Magnetic Hysteresis in Microfabricated Permalloy/Copper Device\",\"authors\":\"O. Zorlu, P. Kejik, R. Popovic\",\"doi\":\"10.1109/SENSOR.2007.4300698\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we present the giant-magneto-impedance (GMI) effect in a microfabricated closed Permalloy core which surrounds a copper excitation rod. We measured a 90% change in the inductance value of the device for a sinusoidal excitation at 500 kHz in a 4.5mT range. The change in the device resistance is negligible for excitation frequencies below 1 MHz, and goes above 14% for 30 MHz excitation. Magnetic hysteresis of the device inductance is studied and improved by applying periodic \\\"degauss\\\" pulses during measurement, instead of increasing the amplitude of the excitation current or using traditional annealing processes.\",\"PeriodicalId\":23295,\"journal\":{\"name\":\"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-06-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SENSOR.2007.4300698\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SENSOR.2007.4300698","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 1

摘要

本文研究了围绕铜励磁棒的微加工闭合坡莫合金磁芯中的巨磁阻抗效应。我们在4.5mT范围内测量了500 kHz正弦激励下器件电感值的90%变化。当激励频率低于1 MHz时，器件电阻的变化可以忽略不计，当激励频率为30 MHz时，器件电阻的变化大于14%。通过在测量过程中施加周期性“退高斯”脉冲来研究和改善器件电感的磁滞，而不是增加激励电流的幅度或使用传统的退火工艺。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Investigation of Giant-Magneto-Impedance (GMI) Effect and Magnetic Hysteresis in Microfabricated Permalloy/Copper Device

In this paper, we present the giant-magneto-impedance (GMI) effect in a microfabricated closed Permalloy core which surrounds a copper excitation rod. We measured a 90% change in the inductance value of the device for a sinusoidal excitation at 500 kHz in a 4.5mT range. The change in the device resistance is negligible for excitation frequencies below 1 MHz, and goes above 14% for 30 MHz excitation. Magnetic hysteresis of the device inductance is studied and improved by applying periodic "degauss" pulses during measurement, instead of increasing the amplitude of the excitation current or using traditional annealing processes.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference

自引率

0.00%

发文量