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. 2015 Dec 18;5:18185. doi: 10.1038/srep18185

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(a,c) SEM images of thin-skeleton wood-pile pattern and FCC pattern in a tilted view, respectively. (b,d) SEM images of each pattern treated at 200 °C immersed in hexadecane. The insets show the surface image of each pattern. (Scale bar, 1 μm).