Author Archives: Jason Stewart

AFM of a thin film of a block copolymer

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AFM of a thin film of a block copolymer – a molecule with a long section that can crystallise (polyethylene oxide), attached to a shorter length of a non-crystallisable material (poly-vinyl pyridine). What you can see is a crystal growing from a screw dislocation. The steps have a thickness of a single molecule folded up […]

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AFM image of a thin film about 120 nm thick of poly-vinyl pyridine-β-ethylene oxide block copolymer.

AFM image of a thin film about 120 nm thick of poly-vinyl pyridine-β-ethylene oxide block copolymer. Image by Cvetelin Vasilev – University of Sheffield, UK

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