Analysis of metallic multilayers using hypersonic surface waves induced by transient reflecting gratings

Qing Shen; Akira Harata; Tsuguo Sawada

doi:10.1143/JJAP.32.3628

Analysis of metallic multilayers using hypersonic surface waves induced by transient reflecting gratings

Qing Shen, Akira Harata, Tsuguo Sawada

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

Gigahertz surface acoustic waves (the Rayleigh-like modes) have been optically generated and detected on ultra-thin (< 1 μm) metallic single-layer and multilayered films attached to glass substrates using the laser-induced transient reflecting grating (TRG) technique. The dispersion relations of the excited Rayleigh-like modes could be constructed experimentally and theoretically. By finding the best fitting of the theoretical dispersion curves to the experimental data, this method can be used to deduce the elastic constants of ultrathin multilayered films.

Original language	English
Pages (from-to)	3628-3632
Number of pages	5
Journal	Japanese Journal of Applied Physics
Volume	32
Issue number	8 R
DOIs	https://doi.org/10.1143/JJAP.32.3628
Publication status	Published - Jan 1 1993
Externally published	Yes

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All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

Cite this

Shen, Q., Harata, A., & Sawada, T. (1993). Analysis of metallic multilayers using hypersonic surface waves induced by transient reflecting gratings. Japanese Journal of Applied Physics, 32(8 R), 3628-3632. https://doi.org/10.1143/JJAP.32.3628

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10.1143/JJAP.32.3628