Observation of ultrafast lattice heating in thin metal films using time-resolved electron diffraction
MRS Online Proceedings Library(2010)
Abstract
We show that time-resolved electron diffraction is capable of revealing the ultrafast lattice heating in thin metal films following excitation by a femtosecond laser pulse. The build-up of the lattice temperature leads to a reduction of the diffraction intensity of the various diffraction orders due to the Debye-Waller-effect. We also observed a reduction of the transmitted (000)-signal which exhibits the same temporal evolution as the diffraction signals.
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Key words
laser
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