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Highly oriented polytetrafluoroethylene (PTFE) thin films might be useful as substrates for oriented growth of well-organized layers of organic materials. In this study, such PTFE films were deposited onto oxide-covered Si wafers by sliding of a PTFE rod at constant speed under controlled conditions of deposition temperature T d and load W. The morphology of these films was studied down to...
Parasexiphenyl was synthesized by electroreduction of monobromoterphenyl in the presence of a Ni catalyst and purified by vacuum sublimation and condensation in a temperature gradient. Thin films can be processed by vacuum evaporation under controlled deposition conditions, which play a major role. A high substrate temperature (470 K), a very low deposition rate (10 -2 nm s - ...
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