In this paper detailed theoretical study and experimental results concerning acoustic surface and undersurface propagation modes in multilayered Co/Cu superlattices are provided. The theoretical approach was adopted from that of Adler and Farnel. Experimental results were obtained in Brillouin light-scattering measurements. The Sezawa and Love acoustic modes were observed as a result of boundary conditions at the interface between hexagonal and cubic structures.
 T. Błachowicz: “The Scattering of Light on Sound Waves in the Hypersonic Range of Frequencies The Directional Sensitivity of Brillouin Light Scattering”, Central European Journal of Physics, Vol. 1, (2003).
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