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Title: Giant magnetoresistance in Fe/Cr superlattices without bulk scattering
Authors: Schad, R ×
Belien, P
Verbanck, G
Temst, Kristiaan
Moshchalkov, Victor
Bruynseraede, Yvan
Bahr, D
Falta, J
Dekoster, J
Langouche, Guido #
Issue Date: Nov-1998
Publisher: E d p sciences
Series Title: Europhysics Letters vol:44 issue:3 pages:379-385
Abstract: The Giant Magnetoresistance (GMR) observed in magnetic multilayers is due to spin-dependent scattering of electrons at interfaces or bulk defects. In order to unambiguously separate these two possible contributions, we produced Fe/Cr superlattices with negligible bulk defects, thus providing only interface scattering. The vertical and lateral interface roughness parameters were quantitatively analysed using synchrotron X-ray diffraction and Conversion Electron Mossbauer Spectroscopy. The magnitude of the GMR effect depends on both the vertical roughness amplitude eta and the step density n(step). We find a linear increase of the Giant Magnetoresistance with eta x n(step).
ISSN: 0295-5075
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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