Surface free energy of laser-produced bond percolators |
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Authors: | M. Thuillard M. von Allmen |
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Affiliation: | (1) Institut für Angewandte Physik Universität, CH-3012 Bern, Switzerland |
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Abstract: | Pulsed laser irradiation of thin metallic films on non-wetted substrates creates two-dimensional bond percolator structures. We show that these can be understood as frozen minimum free energy configurations. The spacing between nodes is found to depend linearly on the initial film thickness, as verified experimentally for the case of a Ti film on sapphire. |
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Keywords: | 81.90.+c 64.70.-p |
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