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Multilayer Fe/Cu Films

Published online by Cambridge University Press:  26 February 2011

S. H. Liou ,
Gang Xiao ,
C. L. Chien  and
K. M. Unruh
S. H. Liou
Affiliation:
Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218
Gang Xiao
Affiliation:
Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218
C. L. Chien
Affiliation:
Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218
K. M. Unruh
Affiliation:
Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218
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Abstract

Multilayer films consisting of alternating Fe and Cu thin films have been made by a twin-gun sputtering device with a rotating substrate platform. Both proportional modulated films and films with a fixed Cu layer have been fabricated, where the Fe layer has been varied between 10 and 150 Å. These films have been studied by x-ray diffraction, Mö;ssbauer spectroscopy and SQUID magnetometry. Thin Fe layers with thicknesses less than 25 Å, exist only as fee α-Fe. Thicker Fe layers contain both bec and fee Fe. The interface between Fe and Cu appears very sharp with no evidence of Fe-Cu alloys. The α-Fe state orders magnetically below 100 K with a small magnetic moment.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 77: Symposium D – Interfaces, Superlattices, and Thin Films , 1986 , 697
Copyright
Copyright © Materials Research Society 1987

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References

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