Search Results - "Brimicombe, P. D."

Thermotropic biaxial nematic order parameters and phase transitions deduced by Raman scattering by Southern, C. D, Brimicombe, P. D, Siemianowski, S. D, Jaradat, S, Roberts, N, Görtz, V, Goodby, J. W, Gleeson, H. F

“…Raman Scattering was used to investigate biaxiality in the nematic phase formed by the bent-core material, C5-Ph-ODBP-Ph-OC12. Linearly polarised light was…”
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Continuously rotating chiral liquid crystal droplets in a linearly polarized laser trap by Yang, Y, Brimicombe, P D, Roberts, N W, Dickinson, M R, Osipov, M, Gleeson, H F

“…The transfer of optical angular momentum to birefringent particles via circularly polarized light is common. We report here on the unexpected, continuous…”
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Optical measurements of orientational order in uniaxial and biaxial nematic liquid crystals by Gleeson, H.F., Southern, C.D., Brimicombe, P.D., Goodby, J.W., Görtz, V.

“…The use of optical methods to study the orientational order in nematic liquid crystals is both convenient and powerful. Some of the earliest approaches made…”
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Deduction of the temperature-dependent structure of the four-layer intermediate smectic phase using resonant X-ray scattering by BRIMICOMBE, P. D, ROBERTS, N. W, JARADAT, S, SOUTHERN, C, WANG, S.-T, HUANG, C.-C, DIMASI, E, PINDAK, R, GLEESON, H. F

“…A binary mixture of an antiferroelectric liquid-crystal material containing a selenium atom and a highly chiral dopant is investigated using resonant X-ray…”
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The influence of flow on symmetric and asymmetric splay state relaxations by Brimicombe, P. D., Raynes, E. P.

“…We present a detailed discussion of the relaxation of splayed states in untwisted devices - the asymmetric H state (Ha), and the recently observed symmetric H…”
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Comment on "Raman scattering study of phase biaxiality in a thermotropic bent-core nematic liquid crystal" by Gleeson, H F, Brimicombe, P D

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A field-induced ferrielectric liquid crystal phase by Jaradat, S., Brimicombe, P. D., Osipov, M. A., Pindak, R., Gleeson, H. F.

“…Understanding the structures and stability conditions of emerging liquid crystal (LC) phases brings us a step closer to the crucial understanding of delicate…”
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Unexpected field-induced phase transitions between ferrielectric and antiferroelectric liquid crystal structures by Jaradat, S, Brimicombe, P D, Southern, C, Siemianowski, S D, DiMasi, E, Osipov, M, Pindak, R, Gleeson, H F

“…Liquid crystals are intriguing electrically responsive soft matter systems. We report previously unexplored field-induced changes in the structures of some…”
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Symmetric H state lifetime in splayed nematic liquid crystal devices by Brimicombe, P. D., Raynes, E. P.

“…The dynamic behavior of splayed nematic devices during sudden voltage application is investigated in detail, both experimentally and through simulation. The…”
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Reorientation mechanisms in smectic A liquid crystals by Siemianowski, S.D., Brimicombe, P.D., Jaradat, S., Thompson, P., Bras, W., Gleeson, H.F.

“…The reorientation mechanism of smectic A (SmA) layers in a field is non-trivial; at least two different mechanisms have been reported. In thin samples…”
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Time-resolved x-ray studies of the dynamics of smectic- A layer realignment by magnetic fields by Brimicombe, P D, Siemianowski, S D, Jaradat, S, Levine, Y K, Thompson, P, Bras, W, Gleeson, H F

“…While the rotation of smectic layers under an applied field may at first appear to be a relatively simple problem, the dynamic processes involved are rather…”
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Asymmetric switching in a ferrielectric liquid crystal device by Jaradat, S., Brimicombe, P. D., Roberts, N. W., Southern, C., Gleeson, H. F.

“…The fast multistate switching associated with ferroelectric and antiferroelectric smectic liquid crystals makes them important materials for electro-optic…”
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Stable field-induced ferrielectric liquid crystal phases in devices by Jaradat, S., Brimicombe, P. D., Southern, C., Siemianowski, S. D., DiMasi, E., Pindak, R., Gleeson, H. F.

“…The field-induced transitions between ferri-, antiferro-, and ferroelectric liquid crystal phases are interesting because although there are only small…”
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A dual frequency addressed polymer stabilized pi-cell liquid crystal device by Brimicombe, P. D., Elston, S. J., Raynes, E. P.

“…Dual frequency addressing of nematic pi-cell devices produces submillisecond switching times since the liquid crystal can be driven both parallel and…”
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Graphene-Based Liquid Crystal Device by Blake, P, Brimicombe, P. D, Nair, R. R, Booth, T. J, Jiang, D, Schedin, F, Ponomarenko, L. A, Morozov, S. V, Gleeson, H. F, Hill, E. W, Geim, A. K, Novoselov, K. S

“…Nano Lett., 8 (6), 1704--1708, 2008. Graphene is only one atom thick, optically transparent, chemically inert and an excellent conductor. These properties seem…”
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Dynamic Properties of Polymer Stabilised Pi-Cells by Brimicombe, P. D., Elston, S. J., Raynes, E. P.

“…The influence of the polymer network on the dynamic switching behaviour of polymer-stabilised pi-cell devices is investigated in detail. The stabilisation…”
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Sub-millisecond transient vertical chevron formation during the electroclinic effect in the smectic A phase by Parry-Jones, L. A., Beldon, S. M., Brimicombe, P. D., Richardson, R. M., Rodriguez-Martin, D., Elston, S. J., Grossmann, J. G., Mant, G. R.

“…X-ray diffraction studies are carried out in order to probe the smectic layer structure in liquid crystal devices filled with FLC mixture SCE8 and AFLC mixture…”
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