Figure 4
Energy spectra of the (0.5 0 0) diffraction peaks at 7 K before and after laser pumping at 500 ps around the (a) Mn LIII- and (b) O K-edges measured with a 22.9 kHz repetition rate. The excitation fluence is 60 µJ cm−2. Both lower spectra in (a) and (b) are the difference spectra of measurement before and after laser pumping. The inset of (a) is a schematic of the experimental geometry of the soft X-rays and laser. |