Brillouin Scattering from Metallic Ta/Al Fibonacci Multilayers

Chin. Phys. Lett.

1993, Vol. 10

Issue (9): 569-572 DOI:

Original Articles

Brillouin Scattering from Metallic Ta/Al Fibonacci Multilayers

XIA Hua;PENG Ruwen;ZHANG Wei;HU An;JIANG Shusheng;ZHANG Xingkui

National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210008

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XIA Hua, PENG Ruwen, ZHANG Wei et al 1993 Chin. Phys. Lett. 10 569-572

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Abstract Surface phonon spectra from Ta/Al Fibonacci multilayers are studied via Brillouin scattering. Determination of the frequency positions of the Rayleigh wave and the intensity dip corresponding to the longitudinal threshold has enabled us to extract two effective elastic constants C₄₄ and C₁₁ of the whole structure. The 22.6% enhancement of the shear modulus is found in our experiment.

Keywords: 78.35.+c 68.65.+g 62.20.Dc

Published: 01 September 1993

PACS:	78.35.+c	(Brillouin and Rayleigh scattering; other light scattering)
	68.65.+g
	62.20.Dc

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I9/0569

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