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Femtosecond dynamics of excess electrons photo-injected into amorphous and crystalline D 2 O layers on Ru(001) have been investigated by time-resolved two-photon photoelectron spectroscopy. In the crystalline case, excited electrons are transferred into delocalized states considered as image potential states in the conduction band of ice and relax back to the metal on an ultrafast time scale...
Using femtosecond time-resolved two-photon photoelectron spectroscopy we have studied the dynamics of photoexcited electrons injected from a Cu(111) substrate into the conduction band of ultrathin ice layers. Ultrafast localization of the injected electrons within <50 fs is followed by a stabilization on a time scale of 0.1-1 ps due to local rearrangements of water dipoles. The dynamics of this...
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