, Volume 74, Issue 3, pp 223-227
Date: 11 Feb 2014

Time-resolved two photon photoemission electron microscopy

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Abstract

Femtosecond, time-resolved two photon photoemission has been used to map the dynamics of photo-excited electrons at a structured metal/semiconductor surface. A photoemission microscope was employed as a spatially resolving electron detector. This novel setup has the potential to visualize variations of hot electron lifetimes in the femtosecond regime on heterogeneous sample surfaces and nanostructures.