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It is shown experimentally that pentacarbonyl iron can be adsorbed and desorbed on a GaAs substrate at low temperatures and photolyzed with ultraviolet illumination to yield Fe film deposit. A simple double beam laser technique is used to monitor the sequence of events during adsorption, desorption, and UV illumination. This work is the first evidence for the direct formation of a thin metal film on a cold semiconductor surface by ultraviolet photolysis of a condensed organometal.
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Bottka et al. (1983) studied this question.
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