Article Dans Une Revue Physical Review B Année : 1983

Sagittal elastic waves in infinite and semi-infinite superlattices

Résumé

Elastic waves, polarized in the sagittal plane, are investigated in infinite and semi-infinite superlattices made from alternate layers of two isotropic media. By the use of a transfer-matrix method, we obtain explicit equations for the dispersion of the bulk modes as well as of the surface modes of a semi-infinite superlattice. We present a few illustrations of the theory for Al-W superlattices in which the relative thicknesses of the two media or the thickness of the layer at the surface are varied.

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hal-04069369 , version 1 (14-04-2023)

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B. Djafari-Rouhani, Leonard Dobrzynski, O. Hardouin Duparc, R. Camley, A. Maradudin. Sagittal elastic waves in infinite and semi-infinite superlattices. Physical Review B, 1983, 28 (4), pp.1711-1720. ⟨10.1103/PhysRevB.28.1711⟩. ⟨hal-04069369⟩
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