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- Title
Phase Transition and Magnetoelectric Effect in 2D Ferromagnetic Films on a Ferroelectric Substrate.
- Authors
Bychkov, Igor; Belim, Sergey; Maltsev, Ivan; Shavrov, Vladimir
- Abstract
In this paper, we investigate the behavior of 2D ferromagnetic (FM) films on a ferroelectric (FE) substrate with a periodic structure. The two-dimensional Frenkel–Kontorova (FK) potential simulates the substrate effect on the film. The substrate potential corresponds to a cubic crystal lattice. The Ising model and the Wolf cluster algorithm are used to describe the magnetic behavior of a FM film. The effect of an electric field on a FE substrate leads to its deformation, which is uniform and manifests itself in a period change of the substrate potential. Computer simulation shows that substrate deformations lead to a decrease in the FM film Curie temperature. If the substrate deformations exceed 5%, the film deformations become inhomogeneous. In addition, we derive the dependence of film magnetization on the external electric field.
- Subjects
MAGNETOELECTRIC effect; PHASE transitions; ELECTRIC field effects; ISING model; CURIE temperature
- Publication
Coatings (2079-6412), 2021, Vol 11, Issue 11, p1325
- ISSN
2079-6412
- Publication type
Article
- DOI
10.3390/coatings11111325