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Figure 2
Experimental data. (a, b) Time-resolved measurements of propagating sound waves in (a) the LSMO film and (b) the LAO film of the sample. The measurement employed pulse shortening with the PicoSwitch. Fast picosecond lattice dynamics are clearly resolved by the experiment. The mechanism behind the observed XRD peak shift is outlined in the main text. (c, d) Simulations of propagating sound waves in (c) the LSMO layer and (d) the LAO layer. Comparison of the simulation and experimental data reveals an X-ray probe pulse duration of 7.5 ps and a total switching contrast of ctotal = 2.94. (e)–(g) Cross sections of measured and simulated data at different incidence angles ω on the sample.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 4| July 2019| Pages 1253-1259
https://doi.org/10.1107/S1600577519005356
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