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The dependence of nanostructures on the molecule rigidity of -type miktoarm block copolymer
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View: Figures


Image of FIG. 1.
FIG. 1.

The schematic miktoarm block copolymer model used in this study. The black particles represent the beads and the white particles the beads.

Image of FIG. 2.
FIG. 2.

Resulted isodensity surfaces of miktoarm block copolymer with (a) no bond angle potentials (pure coil-coil) and (b) coil and rod arms with bond angle potential in arms and when any bead is an bead.

Image of FIG. 3.
FIG. 3.

Structure factors for (a) the structure in Fig. 2(a) and (b) the structure of Fig. 2(b). The peaks in (b) appear at 1.0, 1.414, 1.75, 2.0, and 2.236 corresponding to the bcc symmetry in Fig. 2(b). The positions of the peaks are marked with arrows. Both curves in this figure are obtained via calculating the scattering function [Eq. (2)] by averaging over all the configurations in the last 4000 DPD time steps.

Image of FIG. 4.
FIG. 4.

Isodensity surfaces for system (III) with different values of interaction parameter : (a) liquid rods phase with , (b) modulated hexagonal cylinders with spheres emerging in cylinders with , and (c) hexagonally cylinders with .

Image of FIG. 5.
FIG. 5.

Isodensity surfaces for the rod-rod systems (IV) and (V): (a) hexagonal cylinders with the preferred angle and (b) a new ordered phase which has 2D parallel ellipsoidal rods in lamellae (PERL) with the preferred angle .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The dependence of nanostructures on the molecule rigidity of A2(B4)2-type miktoarm block copolymer