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摘要:
The composite materials based on nanopowder dispersed liquid crystals are important both from fundamental research and device applications due to their unique properties such as improvement in various properties like electrical,optical,thermal,energy storage and spontaneous polarization etc.The proper selection of nanoparticle and its size which to be dispersed in particular liquid crystals is very important for a particular application.In the present study,a ferroelectric nanopowder of Barium Titanate(BaTiO3)was dispersed in cholesteric liquid crystal and the same was confirmed by Fourier Transform Infrared(FTIR)Spectroscopy.The various acoustical properties like ultrasonic velocity,density,Adiabatic Compressibility,Rao Constant,Wada Constant and Acoustic Impedance were investigated by ultrasonic interferometer at room temperature at fixed frequency.The dielectric constant was determined by Precision Impedance Analyzer.In addition to these investigations,particle size and surface area were also measured.Our investigation shows enhanced in dielectric and acoustical properties which may be useful for device applications extensively in microelectronics,low cost-photovoltaic devices,and custom-shaped containers possibly applied as a coating.
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篇名 Effect of Ferroelectric Nanopowder on Electrical and Acoustical Properties of Cholesteric Liquid Crystal
来源期刊 非金属材料科学(英文) 学科 工学
关键词 FERROELECTRIC NANOPOWDER CHOLESTERIC liquid CRYSTAL DIELECTRIC Acoustical ULTRASONIC
年,卷(期) 2020,(1) 所属期刊栏目
研究方向 页码范围 12-16
页数 5页 分类号 TB3
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
FERROELECTRIC
NANOPOWDER
CHOLESTERIC
liquid
CRYSTAL
DIELECTRIC
Acoustical
ULTRASONIC
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
非金属材料科学(英文)
半年刊
2661-3301
12 Eu Tong Sen Stree
出版文献量(篇)
22
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0
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0
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