Fig. 1. Schematic diagram of the time-resolved method of phase shift mode

Fig. 2. Schematic diagram of ferromagnetic resonance

Fig. 3. Schematic diagram of the time-resolved electronics device

Fig. 4. Schematic diagram of the experimental device and magnetization precession

Fig. 5. FMR spectra of Ni₈₁Fe₁₉ film excited by 2.5 GHz microwave frequency

Fig. 6. Experimental results. (a) X-ray absorption spectrum near the absorption edge of L₃ and L₂ of Ni element in Ni₈₁Fe₁₉; (b) XMCD spectrum of Ni

Fig. 7. At different constant magnetic fields, Ni magnetization precession by microwave absorption at 2.5 GHz