Photoionization of small silicon clusters: ionization potentials for Si2 to Si40 |
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Authors: | K Fuke K Tsukamoto and F Misaizu |
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Abstract: | Photoionization thresholds of Si
n
(n=2–40) were examined by vacuum UV radiation (5.7–8.5 eV) generated by stimulated Raman scattering of narrow-bandwidth 193-nm radiation in high pressure hydrogen and deuterium gases. A strong threshold energy dependence on cluster size is observed, featuring major maxima at 10 and 20. The magic behavior atn=10 is consistent with the results of the photofragmentation and CID experiments reported previously. |
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Keywords: | PACS" target="_blank">PACS 36 40 +d 34 50 Lf |
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