Free magnetization oscillations in garnet ferrite films with quasi-planar anisotropy

Analysis of In-Plane Anisotropy Influence on Nonlinear Magnetization Oscillations Accompanying 90° Pulsed Reversal Processes in Real Ferrite-Garnet Films

“…An effect of in-plane anisotropy on damping of gyroscopic magnetization oscillations arising during pulsed reversal processes in magnetic films and plates was discerned in works [1,2]. This effect was confirmed experimentally for free magnetization oscillations in ferrite-garnet films [2].…”

The 90° pulse magnetization curve of ferrite-garnet films with planar anisotropy

“…The setup was also used for measuring the effective anisotropy fields H Kp and H K2 . These values were obtained by analysing the free magnetization oscillations [9,10]. Table 1 lists the main characteristics of the films under investigation: the composition, thickness d, field of the technical saturation H s , and effective anisotropy fields H Kp and H K2 .…”

“…The investigations were performed on an induction setup with a time resolution of about 0.6 ns [9,10]. A longitudinal sense loop was used to register the magnetization change.…”

“…This work is aimed at studying the 901 pulse magnetization in ferrite-garnet films with planar anisotropy. In actual films together with the anisotropy of type ''easy plane'' (with an effective field H Kp % 1 kOe), a biaxial anisotropy (with an effective field H K2 $30260 Oe) within the film plane has been found [7][8][9][10]. The main attention is given to studying the pulse magnetization curve representing the dependence of the inverse magnetization time t À1 m on the magnetizing field amplitude H p .…”