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首页> 外文期刊>Journal of surface investigation: x-ray, synchrotron and neutron techniques >Changes in the optical and electrophysical properties of langmuir films of liquid crystals upon a ferroelectric phase transition
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Changes in the optical and electrophysical properties of langmuir films of liquid crystals upon a ferroelectric phase transition

机译:铁电相变后液晶朗缪尔薄膜的光学和电物理性质的变化

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摘要

The adsorption isotherms of water molecules, spectra of diffuse reflection and of reflected-light polarization, and electrophysical properties of hyperfine films fabricated on the basis of liquid crystals have been studied. A structural phase transition was detected at a temperature of about 70°C; near the transition, features of light polarization, of the reflection coefficient's behavior, and of the temperature dependence of the sample capacitance have been found. Hypotheses regarding the nature of the phase transition are proposed.
机译:研究了水分子的吸附等温线,漫反射光谱和反射光偏振光谱以及基于液晶制备的超细薄膜的电物理性质。在约70°C的温度下检测到结构相变;在过渡附近,已经发现了光偏振,反射系数特性以及样品电容的温度依赖性的特征。提出了有关相变性质的假设。

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