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VOLUME 52 (1990) | ISSUE 2 | PAGE 726
Bistability of above-threshold oscillations of parametric magnetoelastic waves in hematite
The results of an experimental observation of a double parametric resonance of quasiacoustic waves in an a~Fe203 crystal are reported. A bistability has been observed in the oscillations of the intensity of the parametric quasisound. This bistability results from an effective anharmonicity of mixed magnetoelastic modes.