Roughness and giant magnetoresistance in Fe/Cr superlattices

The structure, magnetotransport, and magnetization of Fe/Cr superlattices as a function of systematic changes in interfacial roughness were studied in detail. The results clearly show that the giant magnetoresistance is enhanced by the presence of roughness. This fact indicates that interfacial roug...

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Bibliographic Details
Published in:Physical review letters 1992-02, Vol.68 (6), p.859-862
Main Authors: FULLERTON, E. E, KELLY, D. M, GUIMPEL, J, SCHULLER, I. K, BRUYNSERAEDE, Y
Format: Article
Language:English
Subjects:
360104 - Metals & Alloys- Physical Properties
Applied sciences
CHROMIUM
COHERENT SCATTERING
Condensed matter: electronic structure, electrical, magnetic, and optical properties
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport in interface structures
ELEMENTS
Exact sciences and technology
INTERFACES
IRON
MAGNETIZATION
MAGNETORESISTANCE
MATERIALS SCIENCE
METALS
Metals. Metallurgy
PHYSICAL PROPERTIES
Physics
ROUGHNESS
SCATTERING
SUPERLATTICES
SURFACE PROPERTIES
TRANSITION ELEMENTS
X-RAY DIFFRACTION
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Summary:The structure, magnetotransport, and magnetization of Fe/Cr superlattices as a function of systematic changes in interfacial roughness were studied in detail. The results clearly show that the giant magnetoresistance is enhanced by the presence of roughness. This fact indicates that interfacial roughness should be explicitly included in theoretical calculations and experimental characterization of superlattices exhibiting giant mangetoresistance.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.68.859