Chaotic magnetization dynamics in single-crystal thin-film structures
Journal Article
·
· Crystallography Reports
- Ulyanovsk State University (Russian Federation)
The nonlinear dynamics of homogeneously precessing magnetization in perpendicularly magnetized single-crystal films has been investigated in a wide range of ac field frequencies on the basis of a numerical solution to the Landau-Lifshitz equation and construction of the spectrum of Lyapunov exponents. The conditions for implementing and specific features of chaotic dynamic modes are revealed for films of three basic crystallographic orientations: (100), (110), and (111). It is shown that chaotic precession modes can be controlled using external magnetic fields. Time analogs of the Poincare section of chaotic mode trajectories are considered.
- OSTI ID:
- 22050869
- Journal Information:
- Crystallography Reports, Vol. 54, Issue 1; Other Information: Copyright (c) 2009 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7745
- Country of Publication:
- United States
- Language:
- English
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