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In this work, silver films of various thicknesses from 1 to 180 nm are vacuum evaporated on microscopic glass plates. The external reflection (ER) measurement of the second-harmonic generation (SHG) indicates that the peak intensity decreases dramatically as the film thickness is reduced below 20 nm and the incident angle yielding maximum SHG shifts toward lower values. The theoretical calculation...
We present a novel approach for room-temperature molecular manipulation which exploits the reduced thermal mobility of chemisorbed molecular radicals, with cyclopentadienyl, C 5 H 5 , on Ag(100) as an example. Several novel manipulation modes are demonstrated, all achieved at room temperature. Most notably, the dynamics of the radicals can be directly visualized during manipulation,...
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