Abstract
We report a detailed study of the magnitude of the photon-induced current in Ag-Al 2 O 3 -Al metal-oxide-metal junctions as a function of photon energy and angle of incident radiation. Experimental observations and a theory based on vacuum photoemission are found to be in good agreement. Fast risetimes ( \lsim50 ns) and linearity of the photocurrent with respect to incident power up to at least 10 kW/cm2are also reported.
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