Abstract
The effect of composition of polycrystalline ferrites based on nickel ferrite on the magnetoelastic coupling in the ultrasonic frequency range was experimentally investigated. The dependences of the velocities of magnetoelastic waves on the magnetizing field were measured. The maximum values of the magnetoelastic coupling coefficient (59%) and the sensitivity of transverse sound velocity to variations in magnetic field (0.1%Oe−1) were obtained for ferrites of the Fe2.026Ni0.95Co0.024O4 composition.
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