Mathematical model of behavior of a layered multiferroic structure in inhomogeneous electric fields in the microwave region
https://doi.org/10.34680/2076-8052.2024.1(135).137-153
Abstract
In this work, based on the dispersion characteristics of spin waves and the theory of the magnetoelectric effect, a mathematical model of a multiferroic structure behavior in a non-uniform electric field is constructed. The nature of the exchange interaction is taken into account, and the Rado-Wirtman exchange boundary conditions are also considered based on their representation in terms of free energy density. Based on the constructed mathematical model, the contribution to the dispersion pattern of spin waves of an external electric field of different polarities is estimated. In conclusion, a number of cases of application of the constructed mathematical model in the design of electronically controlled devices for the directional propagation of spin waves, as well as basic devices for neuromorphic computing, are given.
About the Author
A. O. Nikitin
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod.
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Nikitin A.O. Mathematical model of behavior of a layered multiferroic structure in inhomogeneous electric fields in the microwave region. Title in english. 2024;(1(135)):137-153. (In Russ.) https://doi.org/10.34680/2076-8052.2024.1(135).137-153
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