PSE-AQI-Surface Phonons_Surface phonon schematic_1600x900_web (IMAGE)

DOE/Argonne National Laboratory

PSE-AQI-Surface Phonons_Surface phonon schematic_1600x900_web

Caption

With the SSTS technique, a laser pulse is applied to one side of an oxide/metal sample and terahertz radiation is emitted. From the signal, the dynamics of the TO1 surface phonon is detected in the oxide at its interface with the metal.

Credit

Argonne National Laboratory

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