Surface ferroelectric phase transition in multilayer polymer Langmuir films

被引：0
|
作者：
T. V. Murzina
T. V. Misyuryaev
Yu. G. Fokin
S. P. Palto
S. G. Yudin
O. A. Aktsipetrov
机构：
[1] Moscow State University,Department of Physics
[2] Russian Academy of Sciences,Shubnikov Institute of Crystallography
来源：
Journal of Experimental and Theoretical Physics Letters | 2003年 / 78卷
关键词：
75.70.Cn; 77.84.Jd; 75.30.Kz; 68.47.Pe; 426.5.Ky;
D O I：
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学科分类号：
摘要：
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≈15°C is a manifestation of the first-order ferroelectric phase transition in the topmost surface monolayer of the film.
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页码：129 / 133
页数：4
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