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Elastic Moduli of Metallic Multilayered Thin Films Ag/Cu, Al/Cu and Co/Cu Measured by Brillouin Scattering Method

Published online by Cambridge University Press:  15 February 2011

Toshiya Ito ,
Ryoichi Yamamoto  and
Akira Yoshihara
Toshiya Ito
Affiliation:
University of Tokyo, Research Center for Advanced Science and Technology, 4-6-1 Komaba, Meguro-Ku, Tokyo 153, Japan
Ryoichi Yamamoto
Affiliation:
University of Tokyo, Research Center for Advanced Science and Technology, 4-6-1 Komaba, Meguro-Ku, Tokyo 153, Japan
Akira Yoshihara
Affiliation:
Tohoku University, Research Institute for Scientific Measurement, 2-2-1 Katahira, Aoba-Ku, Sendai-City, Miyagi-Ken 980, Japan
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Abstract

The Rayleigh wave velocity of metallic superlattices Ag/Cu, Al/Cu and Co/Cu deposited by ion beam sputtering were measured as a function of layering period Λ using Brillouin scattering method. The VR-Λ relationship can be well interpreted using a phenomenological model consisting of three elastically different layers, i.e. two original and an intermediate layer. We have assumed in this model that the elastic modulus and the thickness of the intermediate layer are independent on the layering period.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 229: Symposium Q – Structure/Property Relationships for Metal/Metal Interfaces , 1991 , 79
Copyright
Copyright © Materials Research Society 1991

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