Search Results - "Dunmur, D A"

Phase behavior and properties of the liquid-crystal dimer 1'',7''-bis(4-cyanobiphenyl-4'-yl) heptane: a twist-bend nematic liquid crystal by Cestari, M, Diez-Berart, S, Dunmur, D A, Ferrarini, A, de la Fuente, M R, Jackson, D J B, Lopez, D O, Luckhurst, G R, Perez-Jubindo, M A, Richardson, R M, Salud, J, Timimi, B A, Zimmermann, H

“…The liquid-crystal dimer 1'',7''-bis(4-cyanobiphenyl-4'-yl)heptane (CB7CB) exhibits two liquid-crystalline mesophases on cooling from the isotropic phase. The…”
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Distinctive dielectric properties of nematic liquid crystal dimers by Sebastián, N., Robles-Hernández, B., Diez-Berart, S., Salud, J., Luckhurst, G. R., Dunmur, D. A., López, D. O., de la Fuente, M. R.

“…We provide an overview of the effect of the molecular structure on the dielectric properties of dimers exhibiting nematic and twist-bend nematic phases with…”
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Cylindrical Sub-micrometer Confinement Results for the Odd-Symmetric Dimer α,ω-Bis[(4-cyanobiphenyl)-4′-yloxy]undecane (BCB.O11) by de la Fuente, M. R, López, D. O, Pérez-Jubindo, M. A, Dunmur, D. A, Diez-Berart, S, Salud, J

“…Broadband dielectric spectroscopy (102 Hz to 1.9 × 109 Hz) and specific heat measurements have been performed on the odd-symmetric dimer…”
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The magic of cyanobiphenyls: celebrity molecules by Dunmur, D.A.

“…The research achievements of George Gray extended over more than 50 years and embraced many areas of liquid crystal science. Above all he was lauded for the…”
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Electroluminescent properties of a family of dialkoxy PPV derivatives by Brandon, K.L., Bentley, P.G., Bradley, D.D.C., Dunmur, D.A.

“…This paper presents results on the effect of the length and symmetry of alkoxy side chains on the optical and electrical properties of a family of soluble…”
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Molecular theory of helical sense inversions in chiral nematic liquid crystals by Emelyanenko, AV, Osipov, MA, Dunmur, DA

“…A molecular theory of the helical twisting in chiral liquid crystals is developed, which provides an explanation for the experimentally observed helical sense…”
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The determination of molecular parameters from dielectric measurements on nematic liquid crystals by Dunmur, D. A.

“…The physical properties of liquid crystal phases (mesophases) depend in a very sensitive manner on the structure of the constituent liquid crystal-forming…”
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Dielectric studies of liquid crystals: the influence of molecular shape by Dunmur, D.A., de la Fuente, M.R., Perez Jubindo, M.A., Diez, S.

“…One of the first applications of the molecular field theory developed by Maier and Saupe (Maier W.; Saupe, A. Z. Naturforsch. 1958, 13a, 564-566) was to the…”
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On the Investigation of Field-Induced Director Dynamics: A Novel Esr Experiment by Becker, J., Dunmur, D. A., Dunn, C. J., Luckhurst, G. R., Marchant-Lane, S. E., Timimi, B. A.

“…The rotational viscosity coefficient of a nematic liquid crystal with a positive diamagnetic susceptibility anisotropy can be determined by monitoring the time…”
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Highly efficient syntheses of 3-aryl-2-cycloalken-1-ones and an evaluation of their liquid crystalline properties by Marson, C.M, Farrand, L.D, Brettle, R, Dunmur, D.A

“…Cycloalkenones are shown to be mesogens and can be synthesised in near quantitative yields by a convergent palladium(0)-catalysed cross-coupling strategy; a…”
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Chirality measure and chiral order parameter for a two-dimensional system by OSIPOV, M. A., PICKUP, B. T., FEHERVARI, M., DUNMUR, D. A.

“…A chirality measure and a chiral order parameter are defined for two-dimensional systems based upon the transformation properties of pseudotensors. The…”
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Quadrupole moments of some simple molecules by Buckingham, A. D, Disch, R. L, Dunmur, D. A

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Stability of a biaxial phase in a binary mixture of nematic liquid crystals by SHARMA, S. R, PALFFY-MUHORAY, P, BERGENSEN, B

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Numerical analysis of the radial-axial structure transition with an applied field in a nematic droplet by KOMURA, S., ATKIN, R. J., STERN, M. S., DUNMUR, D. A.

“…In this paper the director configurations and the free energies of a nematic droplet with a surface normal anchoring condition are calculated numerically. For…”
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The computation of molecular properties of flexible molecules by DUNMUR, DAVID A., GRAYSON, MARTIN, WILSON, BARRY T. PICKUP MARK R.

“…Temperature dependent molecular properties have been calculated using a combination of classical molecular dynamics and Monte Carlo methods and semiempirical…”
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Low-Molar-Mass Thermotropic Liquid Crystals [and Discussion] by Gray, G. W., Dunmur, D. A., Coles, H. J., Chandrasekhar, S.

“…The impact of liquid crystals over the past 20 years in the area of electro-optical displays is generally acknowledged as stemming from a combination of…”
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Effect of electric and magnetic fields on orientational disorder in liquid crystals by Dunmur, David A, Palffy-Muhoray, Peter

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Local electric field in ice I by Cummins, P. G, Dunmur, D. A

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Dielectric studies of a laterally-linked siloxane ester dimer by Diez, Sergio, Dunmur, David A., Rosario De La Fuente, M., Karahaliou, Panagiota K., Mehl, Georg, Meyer, Thomas, Ángel PerÉz Jubindo, Miguel, Photinos, Demetri J.

“…This paper reports measurements of the dielectric response over the frequency range 10 2 to 10 9  Hz of a liquid crystal dimer consisting of two ester mesogens…”
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Synthesis and Liquid Crystal Phase Behaviour of 2-(4-Cyanophenyl)-7-n-alkylfluorenes: Luminescent Mesogens by Boardman, Frederick H, Dunmur, David A, Grossel, Martin C, Luckhurst, Geoffrey R

“…A new range of nematic liquid crystals containing the 2-phenylfluorene core has been prepared which may be considered as a model system for luminescent…”
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