Edge Effects on the Order and Freezing of a 2D Array of Block Copolymer Spheres
- 3 November 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 91 (19), 196101
- https://doi.org/10.1103/physrevlett.91.196101
Abstract
The order in a single layer of spherical domains of a block copolymer melt is investigated as a function of distance from the edges of the wide, 30 nm deep wells that confine it along a substrate. At 255 °C the edge induces the formation of a hexatic phase whose orientational and translational order decreases slowly away from the edge until in the center of the well the block copolymer spheres have liquidlike order.
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