HIGHLIGHTS
- who: Roman Shayduk and colleagues from the European, Ray Free-Electron Laser Facility GmbH, Holzkoppel, Schenefeld, Germany University of have published the research: Femtosecond x-ray diffraction study of multi-THz coherent phonons in SrTiO3, in the Journal: (JOURNAL)
- future: Fluence-dependent studies are necessary to elucidate this question.
SUMMARY
Although a crossover from low- to highfrequency phonons is expected typically the phonon damping rate has a dominant proportionality to the squared frequency (/ x2 ) or squared wavevector (/ k2 ) in the linear region of the phonon dispersion. Ultrafast x-ray scattering from . . .
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