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Interlayer Magnetic Coupling in Sputtered Ag/Ni Superlattices

Published online by Cambridge University Press:  26 February 2011

Carlos A. Dos Santos  and
Bernard Rodmacq
Carlos A. Dos Santos
Affiliation:
Laboratoire de Magnétisme et Diffraction par Interactions Hyperfines. On leave from Departamento de Fisica - UFRN, 59072 Natal (RN), Brasil
Bernard Rodmacq
Affiliation:
Laboratoire de Métallurgie Physique
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Abstract

We report results of X-ray diffractometry and magnetic measurements performed on Ag/Ni superlattices prepared by triode dc-sputtering. The X-ray results suggest structural coherence and interface sharpness whatever the thickness of the elemental layers with (111) textures for both Ag and Ni. Magnetization measurements confirm the existence of sharp interfaces. They also indicate that the magnetic moments preferentially lie in the plane of the layers whatever the Ag or Ni thicknesses. We also present evidence of the oscillatory character of the magnetic coupling of the Ni layers through the non-magnetic Ag layers, which correlates with both magnetoresistance and low-angle neutron diffraction experiments.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 231: Symposium S – Magnetic Surfaces, Thin Films and Multilayers , 1991 , 159
Copyright
Copyright © Materials Research Society 1992

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