Magnetic properties and giant magneto-impedance effect study of Fe-based nanocrystalline powder |
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| Authors: | Zhenjie Zhao F. Bendjaballah Keyu Jiang Jianzhong Ruan Xielong Yang Deping Yang |
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| Affiliation: | (1) Department of Physics, Key Laboratory for Optical and Magnetic Resonance Spectroscopy, East China Normal University, 200062 Shanghai, China;(2) Department of Physics, College of the Holy Cross, 01610 Worcester, Massachusetts, USA |
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| Abstract: | The macroscopic and microscopic magnetic properties for amorphous and nanocrystalline Fe73.5Cu1Nb3− Si13.5B9 powder have been investigated and their giant magneto-impedance (GMI) effect is reported for the first time. The experimental results show that powder sample annealed at 510°C possesses the optimum soft magnetic properties. However, the maximum longitudinally driven GMI (LDGMI) ratio (about 52%) is found in the sample annealed at 600°C. This means that the LDGMI ratio depends on not only their magnetic properties but also their electric properties. |
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| Keywords: | nanocrystalline GMI effect Mossbauer spectroscopy. |
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