Dendritic surface structures on excimer-laser irradiated PET foils |
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| Authors: | J Heitz E Arenholz D Bäuerle H Hibst A Hagemeyer G Cox |
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| Institution: | (1) Angewandte Physik, Johannes-Kepler-Universität Linz, A-4040 Linz, Austria;(2) BASF AG, W-6700 Ludwigshafen, Germany |
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| Abstract: | A new kind of surface structure was observed on polyethylene-terephthalate (PET) foils after 248 nm KrF-excimer-laser irradiation in vacuum. The laser fluences employed were around the ablation threshold. The branched fractal structures observed have a lateral dimension in the micrometer range and a heigth of 30 to 60 nm. |
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| Keywords: | 42 60 61 80 68 35 |
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