Atomic Force Microscopy of Isotactic Polystyrene Crystals
- 1 November 1994
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 33 (11B) , L1628
- https://doi.org/10.1143/jjap.33.l1628
Abstract
The growth of isotactic polystyrene crystals from a thin melt film is examined by atomic force microscopy. The crystals protrude from the film up to about 100 nm to form a hexagonal spiral with a hollow screw dislocation at the center; the distance between neighboring steps of the growth spiral is discussed on the basis of the critical nucleus. The entire crystal has collapsed to the substrate. An amorphous layer a few nanometers thick covers the surface of the crystal. At the crystal-liquid interface, a concave region about 2 nm deep extends ca. 400 nm.Keywords
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