S. D. Evans

Anomalous uniform domain in a twisted nematic cell constructed from micropatterned surfaces (2008)

Atherton, T. J., Sambles, J. R., Bramble, J. P., Henderson, J. R., Evans, S. D.

We have discovered an optically uniform type of domain that occurs in Twisted Nematic (TN) cells that are constructed from substrates chemically patterned with stripes via microcontact printing of...

Magnetic field enhanced nano-tip fabrication for four-probe STM studies (2008)

McKendry, J E, Allen, C S, Critchley, K, Gorzny, M L, Walton, A S, Evans, S D

We present an improved method for fabricating tungsten STM tips for measuring nanoscale objects using a multiprobe STM. The tips were prepared by a 'drop-off' technique combined with a magnetic...

Nematic liquid crystal alignment on chemical patterns (2007)

Bramble, J. P., Evans, S. D., Henderson, J. R., Anquetil, C., Cleaver, D. J., Smith, N. J.

Patterned Self-Assembled Monolayers (SAMs) promoting both homeotropic and planar degenerate alignment of 6CB and 9CB in their nematic phase, were created using microcontact printing of functionalised...

Four-probe electrical transport measurements on individual metallic nanowires (2007)

Walton, A. S., Allen, C. S., Critchley, K, Gorzny, M. L., McKendry, J. E., Brydson, R. M. D., ...

This work presents nanoscale four-probe measurements on metallic nanowires using independently controlled scanning tunnelling microscope tips. This technique has allowed us to follow the change in...

Site-directed conjugation of "Clicked" glycopolymers to form glycoprotein mimics: Binding to mammalian lectin and induction of immunological function (2007)

Geng, J., Mantovani, G., Tao, L., Nicolas, J., Wallis, R., ...

Synthesis of well-defined neoglycopolymer-protein biohybrid materials and a preliminary study focused on their ability of binding mammalian lectins and inducing immunological function is reported....

Fabrication of biological nanostructures by scanning near-field photolithography of chloromethylphenyisiloxane monolayers (2006)

Sun, S. Q., Montague, M, Critchley, K, Chen, M. S., Dressick, W. J., Evans, S. D., ...

We demonstrate the fabrication of sub-100-nm DNA surface patterns by scanning near-field optical lithography using a near-field scanning optical microscope coupled to a UV laser and a...

PH-dependent gold nanoparticle self-organization on functionalized Si/SiO2 surfaces (2006)

Diegoli, S, Mendes, P. M., Baguley, E. R., Leigh, S. J., Iqbal, P, Diaz, Y. R. Garcia, ...

The self-organization of citrate- and acrylate-stabilized gold nanoparticles onto SiO2/hydroxyl-, amino- and nitro-terminated surfaces was investigated as a function of pH. Bare clean Si/SiO2...

Gold nanoparticle patterning of silicon wafers using chemical e-beam lithography (2004)

Chen, Y., Mendes, P.M., Jacke, S., Critchley, K., Plaza, J., Nikitin, K., ...

This paper demonstrates a novel facile method for fabrication of patterned arrays of gold nanoparticles on Si/SiO2 by combining electron beam lithography and self-assembly techniques. Our strategy is...

Gold nanoparticle patterning of silicon wafers using chemical e-beam lithography (2004)

Chen, Y., Mendes, P.M., Jacke, S., Critchley, K., Plaza, J., Nikitin, K., ...

This paper demonstrates a novel facile method for fabrication of patterned arrays of gold nanoparticles on Si/SiO2 by combining electron beam lithography and self-assembly techniques. Our strategy is...

Lipid vesicle fusion on mu CP patterned self-assembled monolayers: Effect of pattern geometry on bilayer formation (2002)

Jenkins, A. T. A., Bushby, R. J., Evans, S. D., Knoll, Wolfgang, Offenhäusser, Andreas, Ogier, S. D.

Microcontact printing (muCP) of lipophilic self-assembled monolayers (SAMs) has been used to fabricate micron dimensioned patterned surfaces that can be used as a means of attaching lipid bilayers to...

Lipid vesicle fusion on mu CP patterned self-assembled monolayers: Effect of pattern geometry on bilayer formation (2002)

Jenkins, A. T. A., Bushby, R. J., Evans, S. D., Knoll, W., Offenhausser, A., Ogier, S. D.

Microcontact printing (muCP) of lipophilic self-assembled monolayers (SAMs) has been used to fabricate micron dimensioned patterned surfaces that can be used as a means of attaching lipid bilayers to...

Anchoring and orientational wetting of nematic liquid crystals on semi-fluorinated self-assembled monolayer surfaces (2002)

Alkhairalla, B., Boden, N., Cheadle, E., Evans, S.D., Henderson, J.R., Fukushima, H., ...

We demonstrate that it is possible to achieve exceptionally fine control over the anchoring of liquid crystals via the use of semi-fluorinated self-assembled monolayers of varying spacer length. We...

Electronic Transport in Self-organised Molecular Nanostructured Devices (2001)

A. Pecchia, B. Movaghar, R. W. Kelsall, A. Bourlange, S. D. Evans, B. J. Hickey, ...

We analyse the frequency dependent conductivity of a system which is fabricated using the combination of a quasi 2-dimensional MBE grown metal film and an ordered self-assembled overlayer of adsorbed...

Self-Assembled Monolayers of Symmetrical and Mixed Alkyl Fluoroalkyl Disulfides on Gold. 1. Synthesis of Disulfides and Investigation of Monolayer Properties (1996)

Schönherr, H., Ringsdorf, H., Jaschke, M., Bamberg, E., Allison, H., ...

The synthesis of a variety of symmetrical bis(alkyl) and bis(fluoroalkyl) disulfides as well as mixed alkyl fluoroalkyl disulfides containing ester or amide groups is described. Self-assembled...