Magnetic properties and giant magneto-impedance effect study of Fe-based nanocry-stalline powder

查看全文 作　　者：ZHAO [1]Zhenjie;[1]F.Bendjaballah;JIANG [1]Keyu;RUAN [1]Jianzhong;YANG [1]Xielong;YANG [2]Deping

机构地区：[1]Department of Physics,Key Laboratory for Optical and Magnetic Resonance Spectroscopy,East China Normal University,Shanghai 200062,China;[2]Department of Physics,College of the Holy Cross,Worcester,Massachusetts 01610,USA

出　　处：《Chinese Science Bulletin》索引2002年第47卷第2期,共3页

基　　金：This work was supported by the State Climbing Project(Grant No.95A-08NMS);the New Materials Center of Shanghai(Grant No.99JC14017). 摘　　要：The macroscopic and microscopic magnetic properties for amorphous and nanocrystalline Fe73.5Cu1Nb3-Si13.5B9 powder have been investigated and their giant mag-neto-impedance (GMI) effect is reported for the first time. The experimental results show that powder sample annealed at 510℃ possesses the optimum soft magnetic properties. However, the maximum longitudinally driven GMI (LDGMI) ratio (about 52%) is found in the sample annealed at 600℃. This means that the LDGMI ratio depends on not only their magnetic properties but also their electric properties. 关键词：NANOCRYSTALLINE GMI effect Mossbauer spectroscopy

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Magnetic properties and giant magneto-impedance effect study of Fe-based nanocry-stalline powder

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