Size dependence of harvested BaTiO_3 nanoparticles on the electro-optic and dielectric properties of ferroelectric liquid crystal nanocolloids

Arkadiusz Rudzki; Dean R. Evans; Gary Cook; Wolfgang Haase

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Size dependence of harvested BaTiO_3 nanoparticles on the electro-optic and dielectric properties of ferroelectric liquid crystal nanocolloids

机译：BaTiO_3纳米粒子的尺寸依赖性对铁电液晶纳米胶体的电光和介电性能的影响

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The influence of the size of harvested barium titanate nanoparticles on the properties of ferroelectric liquid crystal (FLC) nanocolloids was investigated by electro-optical and dielectric methods. The spontaneous polarization and the switching time are decreased for the liquid crystalline nanocolloids compared to nondoped FLC mixtures of different dipole strengths; this dependence is stronger for small size particles (9 nm) and weaker for larger size particles (26 nm) by the same concentration in weight. The decrease of the Goldstone mode (GM) relaxation frequency and the decrease of the dielectric GM absorption strength of the nanocomposites compared to the nondoped FLC mixture go stepwise with the increase of the nanoparticles diameter. Results have been interpreted via strong interaction between the FLC dipoles and the dipoles of the highly polar barium titanate nanoparticles.

机译：通过电光和介电方法研究了收获的钛酸钡纳米粒子的尺寸对铁电液晶纳米胶体性能的影响。与不同偶极强度的非掺杂FLC混合物相比，液晶纳米胶体的自发极化和转换时间减少。在相同的重量浓度下，这种依赖性对于小尺寸颗粒（9 nm）更强，而对大尺寸颗粒（26 nm）更弱。与未掺杂的FLC混合物相比，纳米复合材料的Goldstone模（GM）弛豫频率的降低和介电GM吸收强度的降低随着纳米颗粒直径的增加而逐步增加。通过FLC偶极子与高极性钛酸钡纳米粒子的偶极子之间的强相互作用来解释结果。

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《Applied optics》 |2013年第22期|共9页
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Arkadiusz Rudzki; Dean R. Evans; Gary Cook; Wolfgang Haase;
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1. Size dependence of harvested BaTiO_3 nanoparticles on the electro-optic and dielectric properties of ferroelectric liquid crystal nanocolloids [J] . Arkadiusz Rudzki, Dean R. Evans, Gary Cook, Applied optics . 2013,第22期

机译：BaTiO_3纳米粒子的尺寸依赖性对铁电液晶纳米胶体的电光和介电性能的影响
2. The Effect of the Size of BaTiO_3 Nanoparticles on the Electro-Optic Properties of Nematic Liquid Crystals [J] . M. R. HERRINGTON, O. BUCHNEV, M. KACZMAREK, Molecular crystals and liquid crystals . 2010,第527期

机译：BaTiO_3纳米粒子的尺寸对向列液晶电光性质的影响
3. A comparative study of nematic liquid crystals doped with harvested and non-harvested ferroelectric nanoparticles: phase transitions and dielectric properties [J] . Y. Lin, A. Daoudi, F. Dubois, RSC Advances . 2017,第56期

机译：掺杂有收获和未收获铁电纳米粒子的向列液晶的比较研究：相变和介电性能
4. Electro-Optic Characteristics of the Intrinsic Half-V-Mode Ferroelectric Liquid Crystal Display and the Polymer-Stabilized V-Mode Ferroelectric Liquid Crystal Displays [C] . Jun Xu, Shunsuke Kobayashi The Ninth International Display Workshops (IDW '02) Dec 4-6, 2002 Hiroshima, Japan . 2002

机译：本征半V型铁电液晶显示器和聚合物稳定的V型铁电液晶显示器的光电特性
5. Electro -optical and dielectric properties of ferroelectric liquid crystals formed by banana -shaped molecules. [D] . Huang, Yuan Ming. 2004

机译：香蕉形分子形成的铁电液晶的电光和介电特性。
6. Facile Fabrication of Size-Tunable Core/Shell Ferroelectric/Polymeric Nanoparticles with Tailorable Dielectric Properties via Organocatalyzed Atom Transfer Radical Polymerization Driven by Visible Light [O] . Ning You, Chenxi Zhang, Yachao Liang, -1

机译：通过可见光驱动的有机催化原子转移自由基聚合轻松制备可调节介电性能的尺寸可调的核/壳铁电/聚合物纳米粒子
7. A comparative study of nematic liquid crystals doped with harvested and non-harvested ferroelectric nanoparticles: phase transitions and dielectric properties [O] . Lin, Y., Daoudi, A., Dubois, F., 2017

机译：掺有收获和未收获铁电纳米粒子的向列液晶的比较研究：相变和介电性能
8. Electro-Optic and Photorefractive Response of Liquid Crystals with Inorganic Ferroelectric Nanoparticles [R] . Kaczmarek, M. 2009

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Size dependence of harvested BaTiO_3 nanoparticles on the electro-optic and dielectric properties of ferroelectric liquid crystal nanocolloids

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