EPJ Web Conf.
Volume 185, 2018Moscow International Symposium on Magnetism (MISM 2017)
|Number of page(s)||4|
|Section||Spintronics and Magnetotransport|
|Published online||04 July 2018|
BIFURCATION ANALYSIS OF THE DYNAMICAL SYSTEM FOR A THREELAYERED VALVE WITH PERPENDICULAR ANISOTROPY
Institute for Design Problems in Microelectronics, Department of Microelectronic Components, Soviet Str. 3, Zelenograd, 124365 Moscow, Russia
2 National Research University of Electronic Technology, Department of Applied Mathematics, Zelenograd, Bld.1, Shokin Square, 124498, Moscow, Russia
* Corresponding author: email@example.com
Published online: 4 July 2018
The features of switching dynamics in a model of a three-layered valve have been investigated theoretically and numerically. For this purpose, the system of ordinary differential equations in the approximation of the uniform magnetization distribution for the magnetization dynamics in the valve with perpendicular anisotropy was derived. It was shown that in such a system, in contrast with the system for the in-plane anisotropy, there are only two equilibrium positions of the magnetization vector. The stability analysis of the stationary points of the system has been carried out. With its help, the classification of types of dynamics versus field and current values was performed. The regions of limit cycles existence and the regions of optimal magnetization switching were revealed.
© The Authors, published by EDP Sciences, 2018
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