Abstract
Transmission electron microscopy is used to investigate the tin deposits formed when tin is thermally evaporated on to softened polystyrene substrates, the polystyrenes being softened by heating them to above their glass transition temperature. The structure of the deposit is dependent on the molecular weight of the polystyrene. For low molecular weights, islands of tin grown on the polystyrene surface rapidly “sink” to form a microstructure consisting of subsurface spheres of tin. As the molecular weight is increased the reduced rate at which islands can sink is reflected in the particle size distribution of the deposit.
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Payne, R.S., Swann, A. & Mills, P.J. Thermal evaporation of tin on to softened polystyrene substrates. J Mater Sci 25, 3133–3138 (1990). https://doi.org/10.1007/BF00587662
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DOI: https://doi.org/10.1007/BF00587662