Search Results - "Takezoe, H"

Spontaneous achiral symmetry breaking in liquid crystalline phases by Takezoe, H

“…It is well known that spontaneous deracemization or spontaneous chiral resolution occasionally occurs when racemic molecules are crystallized. However, it is…”
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Polarization-Modulated Smectic Liquid Crystal Phases by Coleman, D. A., Fernsler, J., Chattham, N., Nakata, M., Takanishi, Y., Körblova, E., Link, D. R., R. -F. Shao, Jang, W. G., Maclennan, J. E., Mondainn-Monval, O., Boyer, C., Weissflog, W., Pelzl, C., L. -C. Chien, Zasadzinski, J., Watanabe, J., Walba, D. M., Takezoe, H., Clark, N. A.

“…Any polar-ordered material with a spatially uniform polarization field is internally frustrated: The symmetry-required local preference for polarization is to…”
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Laser-driven microflow-induced bistable orientation of a nematic liquid crystal in perfluoropolymer-treated unrubbed cells by Jampani, V S R, Skarabot, M, Takezoe, H, Muševič, I, Dhara, S

“…We demonstrate laser-driven microflow-induced orientational change (homeotropic to planar) in a dye-doped nematic liquid crystal. The homeotropic to planar…”
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Effect of Phase Retardation on Defect-Mode Lasing in Polymeric Cholesteric Liquid Crystals by Song, M. H., Park, B., Shin, K.-C., Ohta, T., Tsunoda, Y., Hoshi, H., Takanishi, Y., Ishikawa, K., Watanabe, J., Nishimura, S., Toyooka, T., Zhu, Z., Swager, T. M., Takezoe, H.

“…Lasing via a phase retardation defect mode is reported for the first time. The Figure shows the far‐field pattern of laser emission realized by inserting an…”
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Distinctive thermal behavior and nanoscale phase separation in the heterogeneous liquid-crystal B4 matrix of bent-core molecules by Sasaki, Y, Nagayama, H, Araoka, F, Yao, H, Takezoe, H, Ema, K

“…By means of high-resolution calorimetry, we studied thermodynamic properties of the liquid-crystal B(4) phase where bent-core molecules form a helical…”
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Room-temperature discotic cholesteric and nematic phases: influence of 3,7-dimethyloctane peripheral chain on the molecular self-assembly of radial polyalkynylbenzene by Varshney, Sanjay K., Prasad, V., Takezoe, H.

“…A series of novel radial symmetrical and non-symmetrical polyalkynylbenzene-based chiral and achiral disc-shaped materials with respectively five and six…”
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Defect-Mode Lasing with Lowered Threshold in a Three-Layered Hetero-Cholesteric Liquid-Crystal Structure by Song, M. H., Ha, N. Y., Amemiya, K., Park, B., Takanishi, Y., Ishikawa, K., Wu, J. W., Nishimura, S., Toyooka, T., Takezoe, H.

“…A novel defect mode is realized in a three‐layered structure: a left‐handed cholesteric liquid crystal (CLC) layer sandwiched between right‐handed CLC films…”
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Electrotunable Non-reciprocal Laser Emission from a Liquid-Crystal Photonic Device by Song, M. H., Park, B., Nishimura, S., Toyooka, T., Chung, I. J., Takanishi, Y., Ishikawa, K., Takezoe, H.

“…A liquid crystal (LC) photonic device with an anisotropic optical heterojunction structure has been fabricated. The device has a phase‐retarding nematic LC…”
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Appearance of a liquid crystalline nematic-isotropic critical point in a mixture system of rod- and bent-shaped molecules by Takekoshi, K, Ema, K, Yao, H, Takanishi, Y, Watanabe, J, Takezoe, H

“…Heat capacity measurements have been made on a liquid-crystal mixture system formed from bent-shaped molecule 1,3-phenylene…”
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Non-symmetrical discotic liquid crystalline dimers: molecular design, synthesis and mesomorphic properties by Varshney, S.K., Monobe, H., Shimizu, Y., Takezoe, H., Prasad, V.

“…The synthesis and mesomorphic properties of novel non-symmetrical discotic dimers have been investigated. Dimers have been prepared by the combination of…”
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Splay bend elasticity of a bent-core nematic liquid crystal by Sathyanarayana, P, Mathew, M, Li, Q, Sastry, V S S, Kundu, B, Le, K V, Takezoe, H, Dhara, Surajit

“…We measured the splay (K11) and bend (K33) elastic constants in the nematic phase of a bent-core liquid crystal. In the vicinity of the nematic-isotropic…”
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A racemic layer structure in a chiral bent-core ferroelectric liquid crystal by Nakata, M., Link, D. R., Araoka, F., Thisayukta, J., Takanishi, Y., Ishikawa, K., Watanabe, J., Takezoe, H.

“…A fluid smectic phase of a chiral bent-core liquid crystal was found to have a ground state structure that is anticlinic in tilt and ferroelectric in polar…”
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Transparent Organic Thin-Film Transistor with a Laterally Grown Non-Planar Phthalocyanine Channel by Ohta, H., Kambayashi, T., Nomura, K., Hirano, M., Ishikawa, K., Takezoe, H., Hosono, H.

“…An improved‐performance transparent organic thin‐film transistor (OTFT) is described, which has a vanadyl‐phthalocyanine (VOPc) film as an active p‐channel,…”
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Blue Phase III-Isotropic Phase Transition in a Bent-Core Liquid Crystal with Chiral Dopant by Aihara, K., Le, K. V., Isobe, M., Sasaki, Y., Mieczkowski, J., Takezoe, H., Ema, K.

“…Calorimetric measurements and optical observations have been performed to investigate the effect of chirality on a bent-core nematic (BCN) material which can…”
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Alignment of unconventional nematic liquid crystals by Arun Kumar, T., Le, K.V., Kim, Jin Ki, Takezoe, H., Dhara, Surajit

“…Planar (homogeneous) and homeotropic alignment of some unconventional nematic liquid crystals with both positive (Δε > 0) and negative (Δε < 0) dielectric…”
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Calorimetric studies on isotropic-B4 phase transition in the mixture of bent-shaped and rod-like molecules by Sasaki, Y., Setoguchi, Y., Nagayama, H., Yao, H., Takezoe, H., Ema, K.

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Viscoelasticity of ambient-temperature nematic binary mixtures of bent-core and rodlike molecules by Sathyanarayana, P, Jampani, V S R, Skarabot, M, Musevic, I, Le, K V, Takezoe, H, Dhara, S

“…We report measurements of the temperature variations of physical parameters in ambient-temperature nematic liquid crystal mixtures of bent-core (BC) and…”
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Application of a Transparent Conductive Substrate with an Atomically Flat and Stepped Surface to Lateral Growth of an Organic Molecule: Vanadyl Phthalocyanine by Ohta, H., Kambayashi, T., Hirano, M., Hoshi, H., Ishikawa, K., Takezoe, H., Hosono, H.

“…The lateral growth of an organic molecule on a transparent conductive substrate—important for molecular electronics—is demonstrated using vanadyl…”
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Self-Assembled Silica Photonic Crystal as a Liquid-Crystal Alignment Layer and its Electro-optic Applications in Fabry-Perot Cavity Structures by Ha, N. Y., Woo, Y. K., Park, B., Takezoe, H., Wu, J. W.

“…Microgrooves on self‐assembled photonic‐crystal (PC) films align liquid crystals (LCs) without any additional rubbing or surface treatment. Nematic (see Figure…”
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Ideal Liquid Crystal Display Mode Using Achiral Banana-Shaped Liquid Crystals by Shimbo, Yoshio, Takanishi, Yoichi, Ishikawa, Ken, Gorecka, Ewa, Pociecha, Damian, Mieczkowski, Jozef, Gomola, Kinga, Takezoe, Hideo

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