Surface ferroelectric phase transition in multilayer polymer Langmuir filmsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The ferroelectric phase transition on the free surface of a polymer ferroelectric Langmuir-Blodgett film was studied by the optical second harmonic generation (SHG) technique. A hysteresis in the temperature dependence of the SHG intensity observed for a multilayer film of a poly(vinylidene fluoride)-trifluoroethylene copolymer in the vicinity of T approximate to 15degreesC is a manifestation of the first-order ferroelectric phase transition in the topmost surface monolayer of the film. (C) 2003 MAIK "Nauka / Interperiodica".