Abstract
Using the effective transfer matrix for coupled elastic and spin waves, formulas are derived for the amplitudes of reflection and transmission of right-hand polarized elastic waves incident, in a direction along the normal, on a transversely magnetized ferromagnetic film with homogeneous conditions for pinning of the spins on the surfaces of the film. It is shown that a series of lines with reflectance maxima appears, to the extent of the magnetoelastic coupling, near the magnetoacoustic resonance. The shapes of the spectral line contours and the effect of the thickness of the film and damping are analyzed. The possibility of a similar effect in other polariton systems is discussed.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 118, No. 1, 2000, pp. 213–222.
Original Russian Text Copyright © 2000 by Pe\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\)sakhovich, Shtygashev.
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Peisakhovich, Y.G., Shtygashev, A.A. Total reflection of ultrasound from a ferromagnetic plate with surface pinning of the spins. J. Exp. Theor. Phys. 91, 188–196 (2000). https://doi.org/10.1134/1.1307247
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DOI: https://doi.org/10.1134/1.1307247