1/ f noise in magnetic Ni80Fe20 single layers and Ni80Fe20/Cu multilayers

We have investigated the room temperature 1/f noise of microstructured soft magnetic Ni80Fe20 films, showing the anisotropic magnetoresistance effect, and of Ni80Fe20/Cu magnetic multilayers, showing the giant magnetoresistance effect. We find that the 1/f noise in magnetic multilayers is considerab...

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Bibliographic Details
Published in:Journal of applied physics 1996-08, Vol.80 (4), p.2539-2541
Main Authors: Gijs, M. A. M., Giesbers, J. B., van Est, J. W., Briaire, J., Vandamme, L. K. J., Beliën, P.
Format: Article
Language:English
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Summary:We have investigated the room temperature 1/f noise of microstructured soft magnetic Ni80Fe20 films, showing the anisotropic magnetoresistance effect, and of Ni80Fe20/Cu magnetic multilayers, showing the giant magnetoresistance effect. We find that the 1/f noise in magnetic multilayers is considerably enhanced with respect to the noise of the single domain layer, which sets a limit on the usability of giant magnetoresistance materials for low-frequency applications.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.363042