Laser ablation of a silicon carbide target: a time-of-flight quadrupole mass spectrometric study |
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Authors: | SH Nam SM Park |
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Institution: | (1) Department of Chemistry, Kyunghee University, Seoul, 130-701, Korea |
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Abstract: | Laser ablation of a SiC target was attempted to investigate the formation mechanisms and expansion dynamics of ionic species including silicon carbide cluster ions in the plume. Time-of-arrival distributions of ions were analysed to obtain their mean velocities and spatial distributions. Laser-plume interaction was examined by illuminating the plume with a UV laser pulse. Si2C was found to be the major photodissociation product of silicon carbide cluster ions. PACS 82.40.Ra; 79.20.Ds; 79.20.La |
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