期刊
COATINGS
卷 11, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/coatings11111325
关键词
ferromagnetic; magnetoelastic; phase transition; thin films; Frenkel-Kontorova potential
资金
- Russian Foundation for Basic Researches [20-07-00053, 20-37-70038]
- Ministry of Science and Higher Education of the Russian Federation [075-00992-21-00]
- Russian Science Foundation [20-19-00745]
- Russian Science Foundation [20-19-00745] Funding Source: Russian Science Foundation
This paper investigates the behavior of 2D ferromagnetic films on a ferroelectric substrate with the simulation of a Frenkel-Kontorova potential. The effect of an electric field on the substrate leads to its deformation, resulting in a decrease in the film's Curie temperature. The Ising model and the Wolf cluster algorithm are used to describe the magnetic behavior of the film.
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.
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