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Thickness dependence of the melting temperature in thin polymer films

Macromolecular Rapid Communications
Wiley Blackwell (John Wiley & Sons)
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The melting temperature (Tm) of thin poly[ethylene-co-(vinyl acetate)] films coated on a silicon wafer was investigated. Ellipsometry was used to measure the Tm which was found to decrease dramatically when the thickness of the film is less than 300 A° . The relationship between the lamellar thickness and the Tm was thought to be responsible this thickness dependence of the Tm in thin polymer films.

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