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
Temperature dependences of the magnetization vector components, elastic displacement, magnetic and elastic damping coefficients, and magnetic and elastic oscillation frequencies were obtained from numerical solutions of the coupled equations of magnetic dynamics and elasticity for a manganese-zinc ferrite spinel (MZS) film in the presence of a static magnetic field applied perpendicular to the film plane. In the temperature interval 250-270 K, where a reversal of the first magnetic anisotropy constant occurs in the MZS crystal, pronounced broad maxima are observed in the magnetic and elastic damping coefficients, whereas pronounced broad minima are observed in the magnetic oscillation frequencies. Keywords: Magnetic phase transition, temperature magnetoelastic dynamics, nonlinear effects.
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