Super-structured smectics and their application

机译：超结构力学及其应用

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Super-structures produced in the smectic molecular organization are reviewed, and the origin for the structures discussed, in which it is emphasized that the frustration plays an important role in the emergence of the super-structures. Properties and structures of mysterious smectic phases possessing chirality-induced super-structures are introduced, including smectic blue and smectic Q (SmQ) phases that possess three dimensional (3D) structures. The molecular design on stabilizing the 3D structure is proposed. The molecular orientations in the 3D structures are not so sensitive to the external electric field due to an intricate smectic ordering, thus it has been difficult to imagine practical applications of these structures. The SmQ compound possessing an azobenzene core in the molecular structure is designed and the liquid-crystalline properties and photoresponse investigated. By means of the photoisomerization of the azobenzene moiety, we demonstrate that the 3D structure of the SmQ phase can be controlled by light as an external stimulus, suggesting a possibility for new applications utilizing the liquid-crystalline 3D structure.

机译：审查了近晶分子组织中产生的超结构，并讨论了该结构的起源，其中强调挫败感在超结构的出现中起着重要作用。介绍了具有手性诱导超结构的神秘近晶相的性质和结构，包括具有三维（3D）结构的近晶蓝相和近晶Q（SmQ）相。提出了稳定3D结构的分子设计。由于复杂的近晶排列，3D结构中的分子取向对外部电场不太敏感，因此很难想象这些结构的实际应用。设计了在分子结构中具有偶氮苯核的SmQ化合物，并研究了液晶性质和光响应。通过偶氮苯部分的光异构化，我们证明了SmQ相的3D结构可以通过光作为外部刺激来控制，这表明利用液晶3D结构进行新应用的可能性。

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来源
《Liquid Crystals XI; Proceedings of SPIE-The International Society for Optical Engineering; vol.6654》|2007年|P.9.1-9.11|共11页
会议地点 San DiegoCA(US)
作者
I. Nishiyama; T. Yamamoto; J. Yamamoto; H. Yokoyama;
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作者单位

Liquid Crystal Materials Technical Department, Dainippon Ink Chemicals Inc., 4472-1 Komuro, Ina-machi, Saitama 362-8577, Japan;

Nanotechnology Research Institute, National Institute of Advanced Industrial Science Technology, Central 2, 1-1-1 Umezo;

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原文格式 PDF
正文语种 eng
中图分类显示材料;
关键词
liquid crystal; smectic; chirality; three dimensional structure; photoinduced phase transition; smectic Q;

机译：液晶;近晶;手性;三维结构;光致相变;近晶Q;

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专利

1. Smectic order parameters via liquid crystal NMR spectroscopy: Application to a partial bilayer smectic A phase [J] . Di Pietro M.E., Celebre G., De Luca G., The European physical journal, E. Soft matter . 2012,第10期

机译：通过液晶NMR光谱的近晶阶参数：应用于部分双层近晶A相
2. Measurement of the anisotropy of the energy of an isotropic-smectic interface in a smectic cylinder: Application to the L-3-L-alpha interface - art. no. 011702 [J] . Blanc C. Physical review, E. Statistical physics, plasmas, fluids, and related interdisciplinary topics . 2001,第1aPta1期

机译：近晶圆柱体中各向同性-近晶界面能量各向异性的测量：在L-3-L-alpha界面中的应用-艺术。没有。 011702
3. A Possible Phenomenological Description of Smectic-C*_(#alpha#)-Smectic-C*- Smectic-C*_(FI2)- Smectic-C*_(FI1)-Smectic-C*_A Phases Sequence [J] . Loginov E.B., Raase W. Ferroelectrics: Letters Section . 2000,第1a4期

机译：Smectic-C * _（＃alpha＃）-Smectic-C *-Smectic-C * _（FI2）-Smectic-C * _（FI1）-Smectic-C * _A相序的可能现象学描述
4. Super-structured smectics and their application [C] . I. Nishiyama, T. Yamamoto, J. Yamamoto, Conference on Liquid Crystals . 2007

机译：超结构化椎体及其应用
5. Main-chain chiral smectic liquid crystalline polymers for electro-mechanical and NLO application. [D] . Yang, Hong. 2007

机译：用于机电和NLO应用的主链手性近晶液晶聚合物。
6. Focal Conic Stacking in Smectic A Liquid Crystals: Smectic Flower and Apollonius Tiling [O] . Claire Meyer, Loic Le Cunff, Malika Belloul, 2009

机译：Smectic A液晶中的焦点圆锥堆叠：Smectic花和Apollonius平铺
7. de Vries behavior of the electroclinic effect in the smectic-A* phase near a biaxiality-induced smectic-A* -- smectic-C* tricritical point [O] . Saunders, Karl 2011

机译：de Vries在近晶a *相中的电斜效应接近双轴性诱导的近晶 - a * - 近晶 - C *三临界点

Super-structured smectics and their application

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