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Figure 7
In (a) we see a rapid increase of the diffuse scattering from laser-excited Ge2Sb2Te5. The data are sorted by an RF-based timing tool. In (b) the speed of the dynamics is revealed to be significantly faster when the data have been sorted by the ultrafast cross-correlator timing tool. In both cases an error function, shown in black, has been fitted to the rapid rise. Using the RF-based ping monitor the 10% to 90% rise time of the error function is 330 fs while the corresponding time for the cross-correlator data is 70 fs.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 32| Part 4| July 2025|
https://doi.org/10.1107/S1600577525003479
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