All Outputs (209)

L-band-related interband transition in InSb/GaSb self-assembled quantum dots (2008)
Book Chapter
Rybchenko, S. I., Gupta, R., Itskevich, I. E., & Haywood, S. K. (2008). L-band-related interband transition in InSb/GaSb self-assembled quantum dots. In Springer Proceedings in Physics; Narrow Gap Semiconductors 2007 (81-83). Springer Verlag. https://doi.org/10.1007/978-1-4020-8425-6_20

Effect of lattice-mismatch-induced strain on Γ-, X- and L-conduction-band edges in III-V self-assembled quantum dots has been calculated. The misfit strain is shown to strongly affect the band edges, leading to a possibility of Γ-L and Γ-X crossover.... Read More about L-band-related interband transition in InSb/GaSb self-assembled quantum dots.

Banana-shaped dopants for flexoelectric nematic mixtures (2008)
Journal Article
Aziz, N., Kelly, S. M., Duffy, W., & Goulding, M. (2008). Banana-shaped dopants for flexoelectric nematic mixtures. Liquid crystals, 35(11), 1279-1292. https://doi.org/10.1080/02678290802522114

The synthesis is reported of new meta-substituted quaterphenyls and several related dimers as dopants for nematic mixtures with flexoelectric properties. The number and nature of the terminal substituents is varied from apolar with a small dipole mom... Read More about Banana-shaped dopants for flexoelectric nematic mixtures.

A new approach to photoalignment: photo-addition to a self-assembled monolayer (2008)
Journal Article
Dröge, S., O'Neill, M., Löbbert, A., Kitney, S. P., Kelly, S. M., Wei, P., & Dong, D. (2009). A new approach to photoalignment: photo-addition to a self-assembled monolayer. Journal of Materials Chemistry, 19(2), 274-279. https://doi.org/10.1039/b812226a

Photoalignment used to control the orientation of nematic liquid crystals in LCDs usually involves the photochemical modification of the chemical structure of an organic thin film so that an optical and/or steric anisotropy is developed. We now demon... Read More about A new approach to photoalignment: photo-addition to a self-assembled monolayer.

Parallel kinetic resolution of racemic 1-phenylethanol using quasi-enantiomeric combinations of carboxylic acids mediated by N,N′-dicyclohexylcarbodiimide and 3,5-lutidine (2008)
Journal Article
Al Shaye, N., Boa, A. N., Coulbeck, E., & Eames, J. (2008). Parallel kinetic resolution of racemic 1-phenylethanol using quasi-enantiomeric combinations of carboxylic acids mediated by N,N′-dicyclohexylcarbodiimide and 3,5-lutidine. Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry, 49(31), 4661-4665. https://doi.org/10.1016/j.tetlet.2008.05.036

The parallel kinetic resolution of racemic 1-phenylethanol using an equimolar combination of quasi-enantiomeric 2-arylpropionic and butanoic acids mediated by a N,N′-dicyclohexylcarbodiimide (DCC)/3,5-lutidine coupling is discussed. The levels of dia... Read More about Parallel kinetic resolution of racemic 1-phenylethanol using quasi-enantiomeric combinations of carboxylic acids mediated by N,N′-dicyclohexylcarbodiimide and 3,5-lutidine.

On the structure and chiroptical properties of (S)-4-isopropyl-oxazolidin-2-one (2008)
Journal Article
Benoit, D., Coulbeck, E., Eames, J., & Motevalli, M. (2008). On the structure and chiroptical properties of (S)-4-isopropyl-oxazolidin-2-one. Tetrahedron: Asymmetry, 19(9), 1068-1077. https://doi.org/10.1016/j.tetasy.2008.03.032

The specific rotation of (S)-4-isopropyl-oxazolidin-2-one is extremely solvent dependent. In chloroform it is dextrorotatory {[α] D 26 = + 15.5 (c 5.2, CHCl 3 )}, whereas in ethanol it is levorotatory {[α] D 26 = - 16.1 (c 5.2, EtOH)}. © 2008 Elsevie... Read More about On the structure and chiroptical properties of (S)-4-isopropyl-oxazolidin-2-one.

White-light OLEDs using liquid crystal polymer networks (2008)
Journal Article
Liedtke, A., O'Neill, M., Wertmöller, A., Kitney, S. P., & Kelly, S. M. (2008). White-light OLEDs using liquid crystal polymer networks. Chemistry of materials : a publication of the American Chemical Society, 20(11), 3579-3586. https://doi.org/10.1021/cm702925f

We have mixed nematic light-emitting liquid crystals and incorporated them as insoluble cross-linked polymer networks in a liquid crystal white-light organic light-emitting diode (LC-WOLED). The light emission is not voltage-dependent and polarized w... Read More about White-light OLEDs using liquid crystal polymer networks.

Electroluminescent segmented liquid crystalline trimers (2008)
Journal Article
Aldred, M. P., Hudson, R., Kitney, S. P., Vlachos, P., Liedtke, A., Woon, K. L., O'Neill, M., & Kelly, S. M. (2008). Electroluminescent segmented liquid crystalline trimers. Liquid crystals, 35(4), 413-427. https://doi.org/10.1080/02678290801924931

The synthesis and liquid crystal behaviour of light-emitting trimeric liquid crystals consisting of three mesomorphic moieties connected by aliphatic spacers are reported. The combination of an aromatic light-emitting central core and two cholestanyl... Read More about Electroluminescent segmented liquid crystalline trimers.

Room temperature photoluminescence at 4.5 μm from InAsN (2008)
Journal Article
Zhuang, Q., Godenir, A. M. R., Krier, A., Lai, K. T., & Haywood, S. K. (2008). Room temperature photoluminescence at 4.5 μm from InAsN. Journal of applied physics, 103(6), 063520. https://doi.org/10.1063/1.2896638

Nitrogen incorporation in InAsN epilayers grown by radio-frequency plasma-assisted molecular beam epitaxy was investigated as a function of growth conditions. Reduced growth rate, growth temperature, and arsenic flux significantly enhance the nitroge... Read More about Room temperature photoluminescence at 4.5 μm from InAsN.

Rapid on-chip multi-step (bio)chemical procedures in continuous flow - manoeuvring particles through co-laminar reagent streams (2008)
Journal Article
Peyman, S. A., Iles, A., & Pamme, N. (2008). Rapid on-chip multi-step (bio)chemical procedures in continuous flow - manoeuvring particles through co-laminar reagent streams. Chemical communications : Chem comm / the Royal Society of Chemistry, 1220-1222. https://doi.org/10.1039/b716532c

We introduce a novel and extremely versatile microfluidic platform in which tedious multi-step biochemical processes can be performed in continuous flow within a fraction of the time required for conventional methods.

Accurate quantification of the influence of benthic macro- and meio-fauna on the geometric properties of estuarine muds by micro computer tomography (2007)
Journal Article
Mazik, K., Curtis, N., Fagan, M. J., Taft, S., & Elliott, M. (2008). Accurate quantification of the influence of benthic macro- and meio-fauna on the geometric properties of estuarine muds by micro computer tomography. Journal of experimental marine biology and ecology, 354(2), 192-201. https://doi.org/10.1016/j.jembe.2007.11.006

This paper describes the novel application of high resolution micro computer tomography (microCT) to the quantification of the properties of marine biogenic structures. CT scanning has been used to examine sediments in the past but the resolution of... Read More about Accurate quantification of the influence of benthic macro- and meio-fauna on the geometric properties of estuarine muds by micro computer tomography.

Conduction-band crossover induced by misfit strain in InSb/GaSb self-assembled quantum dots (2007)
Journal Article
Rybchenko, S. I., Gupta, R., Lai, K. T., Itskevich, I. E., Haywood, S. K., Tasco, V., Deguffroy, N., Baranov, A. N., & Tournié, E. (2007). Conduction-band crossover induced by misfit strain in InSb/GaSb self-assembled quantum dots. Physical review B: Condensed matter and materials physics, 76(19), 0 - 0. https://doi.org/10.1103/physrevb.76.193309

We address the occurrence of conduction-band crossover in III-V self-assembled quantum dots solely due to misfit strain. Band structure analysis in terms of standard deformation-potential theory shows that Γ-X crossover can occur in the dot, while bo... Read More about Conduction-band crossover induced by misfit strain in InSb/GaSb self-assembled quantum dots.

The guppy as a conservation model: Implications of parasitism and inbreeding for reintroduction success (2007)
Journal Article
Van Oosterhout, C., Smith, A. M., Hänfling, B., Ramnarine, I. W., Mohammed, R. S., & Cable, J. (2007). The guppy as a conservation model: Implications of parasitism and inbreeding for reintroduction success. Conservation Biology, 21(6), 1573-1583. https://doi.org/10.1111/j.1523-1739.2007.00809.x

Ex situ conservation is of increasing importance to prevent the extinction of endangered animals in the wild. Despite low success rates of reintroduction programs few researchers have investigated empirically the efficacy of captive breeding regimes... Read More about The guppy as a conservation model: Implications of parasitism and inbreeding for reintroduction success.

Physical and biological development of a newly breached managed realignment site, Humber estuary, UK (2007)
Journal Article
Mazik, K., Smith, J. E., Leighton, A., & Elliott, M. (2007). Physical and biological development of a newly breached managed realignment site, Humber estuary, UK. Marine pollution bulletin, 55(10-12), 564-578. https://doi.org/10.1016/j.marpolbul.2007.09.017

As part of the Humber flood defence upgrade works (Urgent works) undertaken by the Environment Agency, the Paull Holme Strays site was identified as one of twelve potential managed realignment sites within the Humber catchment. The site was breached... Read More about Physical and biological development of a newly breached managed realignment site, Humber estuary, UK.

Midinfrared photoluminescence and compositional modulation in pentanary GaInAsPSb alloys grown by liquid phase epitaxy (2007)
Journal Article
Krier, A., Smirnov, V. M., Batty, P. J., Yin, M., Lai, K. T., Rybchenko, S., Haywood, S. K., Vasil'ev, V. I., Gagis, G. S., & Kuchinskii, V. I. (2007). Midinfrared photoluminescence and compositional modulation in pentanary GaInAsPSb alloys grown by liquid phase epitaxy. Applied physics letters, 91(8), 082102. https://doi.org/10.1063/1.2768892

Room temperature photoluminescence is reported from GaInAsSbP pentanary alloys grown by liquid phase epitaxy on GaSb. The epitaxial layers exhibited emission in the midinfrared between 3 and 4 μm. Investigation of the structural and photoluminescence... Read More about Midinfrared photoluminescence and compositional modulation in pentanary GaInAsPSb alloys grown by liquid phase epitaxy.

Importance of aspect ratio over shape in determining the quantization potential of self-assembled zinc-blende III-V quantum dots (2007)
Journal Article
Rybchenko, S. I., Yeap, G., Gupta, R., Itskevich, I. E., & Haywood, S. K. (2007). Importance of aspect ratio over shape in determining the quantization potential of self-assembled zinc-blende III-V quantum dots. Journal of applied physics, 102(1), 013706. https://doi.org/10.1063/1.2752127

We have studied the effect of shape on the strain-modified electron/hole confinement potential in zinc-blende quantum dots (QDs), using standard deformation potential theory and an anisotropic continuum-elasticity approximation. Calculations were per... Read More about Importance of aspect ratio over shape in determining the quantization potential of self-assembled zinc-blende III-V quantum dots.

Electric field induced blueshift of the e1-hh1 exciton transition in a GaAs1-xNx/GaAs (x<1%) stepped quantum well (2006)
Journal Article
Hill, G., Hopkinson, M., Steer, M. J., Gupta, R., Lim, A. C., & Haywood, S. K. (2006). Electric field induced blueshift of the e1-hh1 exciton transition in a GaAs1-xNx/GaAs (x

The authors present room temperature photoluminescence and photocurrent measurements on a three layer GaAsNGaAs Al0.35 Ga0.65 As (N≤1%) stepped quantum well. A blueshift in the ground state transition energy is observed with the application of an ele... Read More about Electric field induced blueshift of the e1-hh1 exciton transition in a GaAs1-xNx/GaAs (x<1%) stepped quantum well.

Preparation of mesoporous Pd/Si3N4nanocomposites as heterogeneous catalysts via three different chemical routes (2006)
Journal Article
Cheng, F., Kelly, S. M., Young, N. A., Hope, C. N., Beverley, K., Francesconi, M. G., Clark, S., Bradley, J. S., & Lefebvre, F. (2006). Preparation of mesoporous Pd/Si3N4nanocomposites as heterogeneous catalysts via three different chemical routes. Chemistry of materials : a publication of the American Chemical Society, 18(25), 5996-6005. https://doi.org/10.1021/cm061106h

Mesoporous palladium/silicon nitride nanocomposites were prepared via three different chemical routes to generate simultaneous control of the solid-state morphology of the palladium nanoparticles and that of the silicon nitride support at the same ti... Read More about Preparation of mesoporous Pd/Si3N4nanocomposites as heterogeneous catalysts via three different chemical routes.

Computer assisted orthopaedic surgical system for insertion of distal locking screws in intra-medullary nails: a valid and reliable navigation system (2005)
Journal Article
Malek, S., Phillips, R., Mohsen, A., Viant, W., Bielby, M., & Sherman, K. (2005). Computer assisted orthopaedic surgical system for insertion of distal locking screws in intra-medullary nails: a valid and reliable navigation system. International Journal of Medical Robotics and Computer Assisted Surgery, 1(4), 34-44. https://doi.org/10.1002/rcs.54

The insertion of distal locking screws is a difficult task in intra-medullary (IM) nailing operations of long bones and contributes a significant proportion to the overall operating time. The current technique to insert these screws uses numerous flu... Read More about Computer assisted orthopaedic surgical system for insertion of distal locking screws in intra-medullary nails: a valid and reliable navigation system.

General method of preparation of mesoporous M/Si3N4 nano-composites via a non-aqueous sol-gel route (2005)
Journal Article
Cheng, F., Kelly, S. M., Young, N. A., Clark, S., Francesconi, M. G., Lefebvre, F., & Bradley, J. S. (2005). General method of preparation of mesoporous M/Si3N4 nano-composites via a non-aqueous sol-gel route. Chemical communications : Chem comm / the Royal Society of Chemistry, 5662-5664. https://doi.org/10.1039/b511790a

We report a general method for the preparation of transition-metal silicon nitride nanocomposites; for example, mesoporous Pd-Si 3 N 4 nanocomposite materials with high surface area were prepared by pyrolysis of a silicon palladium imide-chloride co... Read More about General method of preparation of mesoporous M/Si3N4 nano-composites via a non-aqueous sol-gel route.

Plasma tissue factor, a predictor for restenosis following percutaneous transluminal angioplasty (2005)
Presentation / Conference Contribution
Ray, B., Ettles, D., Lee, D., Robinson, G., Bryce, J., Mylankal, K., Heng, M., McCollum, P., Chetter, I., & Ettelaie, C. Plasma tissue factor, a predictor for restenosis following percutaneous transluminal angioplasty