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Superhydrophobic polytetrafluoroethylene surfaces with leaf-like micro-protrusions...
Superhydrophobic polytetrafluoroethylene surfaces with leaf-like micro-protrusions through Ar+O2 plasma etching process, H. C. Barshilia, Nitant Gupta, Vacuum, 99 (2014) 42-48, doi: 10.1016/j.vacuum.2013.04.020