Complex multilayered sector column

XN = 30, and N = 20). Lines 1-3 concentric cylinder barrel phase at K= 0.01,0.02, and 0.03, respectively lines 4-6 sector column phase at K = 0.01, 0.02, and 0.03, respectively lines 7-9 complex multilayered sector column phase at K = 0.01, 0.02, and 0.03, respectively, (b) A sketch of morphology transition for a set of competing structures between the concentric cylinder barrel phase and the sector column phase in part (a), where sec means the sector column phase, and conVj means the concentric cylinder barrel structure with N ayer = n. 

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