Abstract
The effect of dissipation on the propagation of magnetoacoustic waves in a cubic ferromagnet under the action of applied stress σ ∥ [111] is studied theoretically. When the ferromagnet is in one of two symmetric phases (M 0 ∥ [111] or M 0 ∥ [110]), the magnetoelastic waves weakly decay and may transform into modes of another type as the material approaches the point of spin-reorientation transition. It is also found that the propagation velocity and attenuation rate of quasi-phonons exhibit anisotropy, which can be controlled by the applied stress.
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 7, 2002, pp. 68–71.
Original Russian Text Copyright © 2002 by Vakhitov, Grinevich, Ryakhova.
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Vakhitov, R.M., Grinevich, V.V. & Ryakhova, O.G. Anisotropy of magnetoelastic wave attenuation in (111) crystal plates with combined anisotropy. Tech. Phys. 47, 862–865 (2002). https://doi.org/10.1134/1.1495048
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DOI: https://doi.org/10.1134/1.1495048