Abstract
A quantitative theory of magnetic acoustic birefringence in rhombohedral antiferromagnets is developed. It is shown that acoustic activity and the Faraday effect associated with it are determined by the joint action of piezomagnetism and magnetostriction. The effect is estimated quantitatively, and the method of experimental determination of the piezomagnetic constant is indicated. The conditions for the transformation of linear polarization into circular polarization and for the rotation of linear polarization through 90° are determined.
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Translated from Fizika Tverdogo Tela, Vol. 43, No. 8, 2001, pp. 1467–1471.
Original Russian Text Copyright © 2001 by Mirsaev.
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Mirsaev, I.F. Magnetoacoustic activity of rhombohedral antiferromagnets. Phys. Solid State 43, 1527–1532 (2001). https://doi.org/10.1134/1.1395096
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DOI: https://doi.org/10.1134/1.1395096