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Fig. 6. Atomic force micrographs showing phase image, phase color scheme (bottom, dark = soft phase, light = hard phase). (a) 2H100, (b) 2M100, (c) 2N50H50, (d) 2N50M50 (top right corner of each image recolored to highlight shape outlines, not scaled to phase). Scale bar = 1 μm.