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On the atomic interdiffusion in Co/Pt superlattices

Published online by Cambridge University Press:  31 January 2011

X. Yan ,
T. Egami ,
E.E. Marinero ,
R.F.C. Farrow  and
C.H. Lee
X. Yan
Affiliation:
Department of Materials Science and Engineering, and Laboratory for Research on the Structure of Matter, The University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
T. Egami
Affiliation:
Department of Materials Science and Engineering, and Laboratory for Research on the Structure of Matter, The University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
E.E. Marinero
Affiliation:
IBM Almaden Research Center, San Jose, California 95120-6099
R.F.C. Farrow
Affiliation:
IBM Almaden Research Center, San Jose, California 95120-6099
C.H. Lee
Affiliation:
IBM Almaden Research Center, San Jose, California 95120-6099
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Abstract

We have performed x-ray diffraction experiments on MBE grown 〈111〉 and 〈001〉 oriented Co (3 Å)/Pt (18 Å) superlattices with the scattering vector Q covering a plane that includes a major component perpendicular and a minor component parallel to the plane of the sample. The superlattice diffraction peaks were found to have a large width parallel to the plane of the film, indicating that there is strong in-plane disorder. These broad peaks were integrated to evaluate more accurately the amount of interdiffusion at the interface, which was found to be similar in both films, contrary to what the conventional x-ray diffraction experiment suggests.

Type
Communications
Information
Journal of Materials Research , Volume 7 , Issue 6 , June 1992 , pp. 1309 - 1312
Copyright
Copyright © Materials Research Society 1992

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References

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