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Fig. 11 | Journal of the European Optical Society-Rapid Publications

Fig. 11

From: Photoinduced supramolecular chirality and spontaneous surface patterning in high-performance azo materials

Fig. 11

AFM and FFT images of samples a) 1, b), c) 2, and d), e) 3 after irradiating by EPL from the layer side. Various surface structures were obtained after irradiation by EPL with different ε. Irradiation with ε=15 (as seen in b) and d)) leads to anisotropically oriented structures, and irradiation with ε=22.5 in a), c), and e) leads to rather randomly distributed bump patterns. Here, the FFT images show higher order of surface structures. The AFM images show the condition after an exposure time of 70 min

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