Figure 3
From: Dynamical behaviour of ultrathin [CoFeB (tCoFeB)/Pd] films with perpendicular magnetic anisotropy
(a) VNA-FMR spectra of the [CoFeB (4 Å)/Pd (10 Å)]5 multilayer thin film with the external magnetic field applied perpendicularly to the sample plane. The black line corresponds to the fits using the Kittel formula (Eq. 4). (b) Time-resolved magneto-optical Kerr effect (TR-MOKE) signals of a [CoFeB (2 Å)/Pd (10 Å)]5 multilayer thin film under different external applied fields (H = 5650, 5060, 4695, 4310 Oe and 3900 Oe) and when H was applied at θH = 78°. Theoretical curves (solid curves) are fits to the experimental data (open symbols) using Eq. (5). Data was moved along the vertical axis for clarity.
