| 1 | Giant magneto-impedance effects in nanocrystalline soft magnetic alloy ribbons显示文摘SINCE the discovery of the giant magneto-impedance (GMI) effects in amorphous wire (or rib-bon) of CoFeSiB and nanocrystalline wire (or film) of FeCuNbSiB, it has attracted greatattention due to its promising potential applications in industry. Amorphous (and nanocrys-talline) soft magnetic alloys have very large magnetic permeability, when an ac driving currentand an external magnetic field (EMF) are applied, the EMF will damp the magnetic fluxchange caused by the ac driving current, thus the magnetic permeability will decrease; as a re- | Ku, WJ Ge, FD Yan, G Wang, XY Zhu, J | 1997 | Chinese Science Bulletin1997，42，12： | 5 |
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