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2D and 3D AFM topography images of (A) Pattern 1 500/300/500 (S), (B) Pattern 2 700/700/300 (S), and (C) Pattern 3 500/500/600 (S) with square pillars, (D) Pattern 4 400/400/600 (R) and (E) Pattern 5 500/500/600 (R) with round pillars. All samples use polyurethane urea MS/0.4 as substrate. (S=square-shaped, R=Round-shaped)
