Results 261 to 270 of about 175,341 (310)

Dual-band high-dissymmetry circularly polarized luminescence from cholesteric liquid crystals overlaid a gold cluster film. [PDF]

Nat Commun
Hao X, Chen Z, Ma H, Wang Y, Cao Y, Yao B, Wang R, Cao R, Xiao Y, Liu C, Liu Y, Feng S, Dai H, Zhang XD, Liu YJ.   +14 more
europepmc   +1 more source

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Photoalignment of Liquid Crystals by Liquid Crystals

Physical Review Letters, 2000
We observed light-induced alignment of the nematic liquid crystal, 4, 4(')-n-pentylcyanobiphenyl (5CB), on a fused quartz. Irradiation of the adsorbed layer with polarized ultraviolet light produced homogeneous alignment in a 5CB-filled liquid crystal cell with the easy orientation axis perpendicular to the polarization direction.
, Reznikov, , Ostroverkhova, , Singer, , Kim, , Kumar, , Lavrentovich, , Wang, , West   +7 more
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Comment on “Photoalignment of Liquid Crystals by Liquid Crystals”

Physical Review Letters, 2001
Physical Review ...
B. Park, J. W. Wu, H. Takezoe
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Liquids, Crystals and Liquid Crystals

Physics Today, 1989
In thinking about the states of condensed matter, we usually consider two extremes. At one extreme are crystalline solids, in which atoms form a perfectly periodic array that extends to infinity in three directions. At the other extreme are fluids or glasses, in which the atoms or molecules are completely disordered and the system is both ...
Joel D. Brock, Robert J. Birgeneau, J. David Litster, Amnon Aharony   +3 more
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Liquid Crystals Align Liquid Crystals

Japanese Journal of Applied Physics, 2002
We have investigated the molecular orientation of a liquid crystal (LC), pentylcyanobiphenyl (5CB), evaporated on a rubbed polymer by means of polarized ultraviolet absorption spectroscopy and surface second-harmonic generation. The results unambiguously reveal that the in-plane anisotropy is diminishingly small before the molecules form a monolayer ...
T. Shioda, Y. Okada, D.-H. Chung, .Y. Takanishi, K. Ishikawa, .B. Park, H. Takezoe   +6 more
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Liquid Crystals and Liquid Crystal Solutions Studied By NMR

1999
Abstract Since the first publication on this subject in 1963, {NMR} in liquid crystalline systems has been a wide and active field of research in many branches of chemistry, physics, biology, and materials science. Indeed, thanks to the wealth of exploitable nuclei and interactions, {NMR} spectroscopy has revealed a powerful means of probing structure ...
Lucia Calucci, Carlo Alberto Veracini
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Antiferroelectricity in Liquid Crystals

Physical Review Letters, 2001
Physical Review ...
Brand, H., Cladis, P., Pleiner, H.
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Liquid crystal pump

Lab Chip, 2013
We report a dielectrically actuated liquid crystal (LC) pump. A small volume of LC forms a pillar-like droplet in a cylindrical hole which partially touches the bottom substrate with embedded interdigitated electrodes. By applying a voltage, the LC droplet can be largely stretched along the electrode direction by the generated dielectric force, which ...
Ren, Hongwen, Xu, Su, Wu, Shin Tson
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Carbohydrate liquid crystals

Carbohydrate Polymers, 1984
Abstract Certain alkyl l-O and l-S glycosides with hydrocarbon chain lengths greater than hexyl have been shown to form thermotropic liquid crystals at temperatures between 60 and 100[ddot]C. These are believed to be members of a large class of alkyl and acyl carbohydrate mesogens which, apart from their intrinsic value as potentially useful solid ...
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Supermolecular liquid crystals

Journal of Materials Chemistry, 2005
In this article we review recent work on the development and study of the properties of self-organising supermolecular and supramolecular materials, that are in size comparable to small proteins. We take the concept of the creation of dendritic liquid crystals, and apply it to the creation of new materials with single identifiable entities, so that ...
Isabel M. Saez, John W. Goodby
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