Lorentz transmission electron microscopy on NiFe/Cu/Co/NiFe/MnNi active spin valve elements

In situ magnetoresistance measurements on lithographically defined spin-valve elements were performed by means of Lorentz transmission electron microscopy. The observation of a magnetic domain structure and the simultaneous magnetoresistance measurement by applying controlled field and controlled cu...

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Published in:Applied physics letters 1997-10, Vol.71 (14), p.2032-2034
Main Authors: Portier, X., Petford-Long, A. K., Doole, R. C., Anthony, T. C., Brug, J. A.
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Language:English
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cited_by cdi_FETCH-LOGICAL-c291t-957df5758ba53fbf669216904eedbbad00e8a1cdf4cc6a6c327dd21953e6dfe33
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container_end_page 2034
container_issue 14
container_start_page 2032
container_title Applied physics letters
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creator Portier, X.
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Doole, R. C.
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Brug, J. A.
description In situ magnetoresistance measurements on lithographically defined spin-valve elements were performed by means of Lorentz transmission electron microscopy. The observation of a magnetic domain structure and the simultaneous magnetoresistance measurement by applying controlled field and controlled current have led to a clear correlation between giant magnetoresistance and changes in the magnetic domain structure. A study of the spin-valve behavior with the increase of the applied current value is also shown.
doi_str_mv 10.1063/1.119778
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title Lorentz transmission electron microscopy on NiFe/Cu/Co/NiFe/MnNi active spin valve elements
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