Title :
Numerical Simulation Study of Magnetization Precession Dynamics in Submicron Elliptical Ni80Fe20 Thin Film Elements
Author :
Choi, B. ; Xiao, Q. ; Hong, Y. ; Gee, S. ; Jabal, J. ; Han, H. ; Hass, K. ; Donohoe, G.
Author_Institution :
Univ. of Victoria, Victoria
Abstract :
In this paper, the authors investigated the dynamic magnetic response of submicron elliptical Ni80Fe20 thin film elements by using micromagnetic modeling. It was found that coherent rotation and magnetization ringing in Ni80Fe20 elements can be controlled by adjusting the axis-ratio of the ellipse, the thickness, and the angle of the magnetic field pulse. Further studies indicate that uniformity in the distribution of the magnetization is improved by reducing the length of the short axis and reducing the thickness of the thin film. These changes effectively suppress the magnetization ringing.
Keywords :
ferromagnetic materials; iron alloys; magnetic thin films; magnetisation; micromagnetics; nickel alloys; Ni80Fe20; coherent rotation; film thickness; magnetization precession dynamics; magnetization ringing; micromagnetic modeling; submicron elliptical thin film elements; Astronomy; Magnetic devices; Magnetic fields; Magnetic films; Magnetic switching; Magnetization reversal; Materials science and technology; Numerical simulation; Physics; Transistors;
Conference_Titel :
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location :
San Diego, CA
Print_ISBN :
1-4244-1479-2
DOI :
10.1109/INTMAG.2006.375911
