期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 44, 期 11, 页码 4476-4479出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2008.2002245
关键词
Biocorrosion; biosensors; magnetic anisotropy; magnetoimpedance
The magnetic properties, the magnetoimpedance effect and the surface morphology of amorphous FeCoCrSiB and ribbons FeCoSiB are comparatively analyzed for as-quenched state and after electrochemical surface modification in a conventional three-electrode glass cell with a phosphate buffer saline. The pH value 7.3 and the temperature of 37 degrees C were maintained during the electrochemical treatment in order to simulate the human body living conditions The FeCoCrSiB ribbons show an excellent corrosion stability and high magnetoimpedance response; hence they can be used in magnetic labels detectors. FeCoSiB ribbons show low corrosion resistance but a high enough magnetoimpedance. Therefore, they can be proposed for label free type MI detectors. Furthermore, the results show that the magnetoimpendance effect can be proposed as a probe for biocorrosion and other surface effects.
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