Effect of magnetic field on magnetoelastic dynamics of films with manganese-zinc spinel parameters in the region of magnetic phase transition
Maiburov M. V.1, Kotov L. N.1, Abramovsky I. E.1, Nayak Chittaranjan2
1Syktyvkar State University, Syktyvkar, Russia
2Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
Email: mayburov@rambler.ru
Based on numerical solutions of the equations of magnetic dynamics and elasticity, the temperature dependences of the components of the magnetization vector and elastic displacement, the coefficients of magnetic and elastic attenuation, and the frequencies of magnetic and elastic oscillations for a film with the parameters of manganese-zinc spinel (MZS) were obtained at different values of the constant magnetic field directed perpendicular to the plane of the film. In the temperature range of 250-270 K, in which the sign inversion of the first constant of magnetic anisotropy for the MZS crystal is observed, deep and wide maxima are observed for the coefficients of magnetic and elastic attenuation, and deep and wide minima are observed for the frequencies of magnetic oscillations. Keywords: Magnetic phase transition, temperature magnetoelastic dynamics, nonlinear effects.
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