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Publication
Physical Review Letters
Paper
Femtosecond time-resolved measurement of desorption
Abstract
Desorption of NO molecules from a Pd(111) surface induced by femtosecond visible laser pulses has been investigated in real time. The measurements, accomplished by means of a two-pulse correlation scheme, reveal a subpicosecond response time. The findings indicate that the desorption arises from coupling to the nonequilibrium electronic excitation in the substrate. © 1991 The American Physical Society.