evolution during a sequence of pulses of intensity.
Comparison of the signal from the first pulse on -pre-dosed and .
Comparison of the oxidation activity for .
(Bottom) ISS for as-deposited . (Middle) ISS after exposure to of . (Top) ISS after exposure followed by exposure to pulses.
The rutile surface, in top and perspective views. Small black balls are titanium atoms, dark gray balls are bridging oxygen atoms, and light gray balls are oxygen atoms. Two oxygen vacancies are shown, circled in the top view.
Comparison of ISS ratios for as-deposited (left scale) to oxidation activity (right scale).
Effects on production of annealing an sample to the indicated temperatures prior to exposure and pulsing.
Effects of exposure on the intensity of ISS peaks for , and , relative to their pre-exposure intensities (left scale). Also shown (right scale) is the oxidation activity.
Effects of exposure on the and intensities, relative to the pre-exposure intensities.
Correlation of oxidation activity (right scale) with the -induced attenuation of signal (left scale, inverted).
Comparison of 1st pulse pulse shapes for different cluster size samples.
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