All Outputs (133)

High-frequency acousto-optic effects in Bragg reflectors (2014)
Journal Article
Farmer, D., Akimov, A. V., Gippius, N., Bailey, J., Sharp, J. S., & Kent, A. (2014). High-frequency acousto-optic effects in Bragg reflectors. Optics Express, 22(12), 15218-15231. https://doi.org/10.1364/OE.22.015218

Picosecond acoustic interferometry was used to study the acousto-optic properties of a distributed Bragg reflector (DBR) manufactured from two immiscible polymers (cellulose acetate and polyvinylcarbyzole). Picosecond strain pulses were injected into... Read More about High-frequency acousto-optic effects in Bragg reflectors.

Tuneable paramagnetic susceptibility and exciton g-factor in Mn-doped PbS colloidal nanocrystals (2014)
Journal Article
Turyanska, L., Hill, R. J. A., Makarovsky, O., Moro, F., Knott, A. N., Larkin, O. J., …Curry, R. J. (2014). Tuneable paramagnetic susceptibility and exciton g-factor in Mn-doped PbS colloidal nanocrystals. Nanoscale, 6(15), 8919-8925. https://doi.org/10.1039/c4nr02336f

We report on PbS colloidal nanocrystals that combine within one structure solubility in physiological solvents with near-infrared photoluminescence, and magnetic and optical properties tuneable by the controlled incorporation of magnetic impurities (... Read More about Tuneable paramagnetic susceptibility and exciton g-factor in Mn-doped PbS colloidal nanocrystals.

Rapidly growing black holes and host galaxies in the distant universe from the Herschel Radio Galaxy Evolution Project (2014)
Journal Article
Drouart, G., De Breuck, C., Vernet, J., Seymour, N., Lehnert, M., Barthel, P., …Wylezalek, D. (2014). Rapidly growing black holes and host galaxies in the distant universe from the Herschel Radio Galaxy Evolution Project. Astronomy and Astrophysics, 566, Article A53. https://doi.org/10.1051/0004-6361/201323310

We present results from a comprehensive survey of 70 radio galaxies at redshifts 1 2.5 are higher than the sSFR of typical star forming galaxies over the same redshift range, but are similar or perhaps lower than the galaxy population for radio gala... Read More about Rapidly growing black holes and host galaxies in the distant universe from the Herschel Radio Galaxy Evolution Project.

Subhaloes gone Notts: subhaloes as tracers of the dark matter halo shape (2014)
Journal Article
Hoffmann, K., Planelles, S., Gaztanaga, E., Knebe, A., Pearce, F. R., Lux, H., …Sgro, M. A. (2014). Subhaloes gone Notts: subhaloes as tracers of the dark matter halo shape. Monthly Notices of the Royal Astronomical Society, 442(2), https://doi.org/10.1093/mnras/stu933

We study the shapes of subhalo distributions from four dark-matter-only simulations of Milky Way-type haloes. Comparing the shapes derived from the subhalo distributions at high resolution to those of the underlying dark matter fields, we find the fo... Read More about Subhaloes gone Notts: subhaloes as tracers of the dark matter halo shape.

Mechanical vibrations of magnetically levitatedviscoelastic droplets (2014)
Journal Article
Temperton, R. H., Hill, R. J., & Sharp, J. S. (2014). Mechanical vibrations of magnetically levitatedviscoelastic droplets. Soft Matter, 10(29), 5375-5379. https://doi.org/10.1039/c4sm00982g

The mechanical vibrations of magnetically levitated droplets were investigated using a simple optical deflection technique. Droplets of water and a water-based solution of poly(acrylamide-co-acrylic acid) were levitated in the bore of a superconducti... Read More about Mechanical vibrations of magnetically levitatedviscoelastic droplets.

tDCS-induced alterations in GABA concentration within primary motor cortex predict motor learning and motor memory: A 7T magnetic resonance spectroscopy study (2014)
Journal Article
Kim, S., Stephenson, M. C., Morris, P. G., & Jackson, S. R. (2014). tDCS-induced alterations in GABA concentration within primary motor cortex predict motor learning and motor memory: A 7T magnetic resonance spectroscopy study. NeuroImage, 99, 237-243. https://doi.org/10.1016/j.neuroimage.2014.05.070

Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique that alters cortical excitability in a polarity specific manner and has been shown to influence learning and memory. tDCS may have both on-line and after-eff... Read More about tDCS-induced alterations in GABA concentration within primary motor cortex predict motor learning and motor memory: A 7T magnetic resonance spectroscopy study.

Herschel-ATLAS: properties of dusty massive galaxies at low and high redshifts (2014)
Journal Article
Rowlands, K., Dunne, L., Dye, S., Aragón-Salamanca, A., Maddox, S., da Cunha, E., …Valiante, E. (2014). Herschel-ATLAS: properties of dusty massive galaxies at low and high redshifts. Monthly Notices of the Royal Astronomical Society, 441(2), https://doi.org/10.1093/mnras/stu510

We present a comparison of the physical properties of a rest-frame 250-μm-selected sample of massive, dusty galaxies from 0 < z < 5.3. Our sample comprises 29 high-redshift submillimetre galaxies (SMGs) from the literature and 843 dusty galaxies at z... Read More about Herschel-ATLAS: properties of dusty massive galaxies at low and high redshifts.

A Randomized, Controlled, Double-Blind Crossover Study on the Effects of 1-L Infusions of 6% Hydroxyethyl Starch Suspended in 0.9% Saline (Voluven) and a Balanced Solution (Plasma Volume Redibag) on Blood Volume, Renal Blood Flow Velocity, and Renal Cortical Tissue Perfusion in Healthy Volunteers (2014)
Journal Article
Chowdhury, A., Fox, E., Francis, S., & Lobo, D. (2014). A Randomized, Controlled, Double-Blind Crossover Study on the Effects of 1-L Infusions of 6% Hydroxyethyl Starch Suspended in 0.9% Saline (Voluven) and a Balanced Solution (Plasma Volume Redibag) on Blood Volume, Renal Blood Flow Velocity, and Renal Cortical Tissue Perfusion in Healthy Volunteers. Annals of Surgery, 259(5), 881–887. https://doi.org/10.1097/SLA.0000000000000324

Objective: We compared the effects of intravenous administration of 6% hydroxyethyl starch (maize-derived) in 0.9% saline (Voluven; Fresenius Kabi, Runcorn, United Kingdom) and a “balanced” preparation of 6% hydroxyethyl starch (potato-derived) [Plas... Read More about A Randomized, Controlled, Double-Blind Crossover Study on the Effects of 1-L Infusions of 6% Hydroxyethyl Starch Suspended in 0.9% Saline (Voluven) and a Balanced Solution (Plasma Volume Redibag) on Blood Volume, Renal Blood Flow Velocity, and Renal Cortical Tissue Perfusion in Healthy Volunteers.

Sussing merger trees: the influence of the halo finder (2014)
Journal Article
Avila, S., Knebe, A., Pearce, F. R., Schneider, A., Srisawat, C., Thomas, P. A., …Tweed, D. (2014). Sussing merger trees: the influence of the halo finder. Monthly Notices of the Royal Astronomical Society, 441(4), https://doi.org/10.1093/mnras/stu799

Merger tree codes are routinely used to follow the growth and merger of dark matter haloes in simulations of cosmic structure formation. Whereas in Srisawat et. al. we compared the trees built using a wide variety of such codes, here we study the inf... Read More about Sussing merger trees: the influence of the halo finder.

Mapping the force field of a hydrogen-bonded assembly (2014)
Journal Article
Sweetman, A., Jarvis, S. P., Sang, H., Lekkas, I., Rahe, P., Wang, Y., …Moriarty, P. (2020). Mapping the force field of a hydrogen-bonded assembly. Nature Communications, 5, Article 3931. https://doi.org/10.1038/ncomms4931

Hydrogen bonding underpins the properties of a vast array of systems spanning a wide variety of scientific fields. From the elegance of base pair interactions in DNA to the symmetry of extended supramolecular assemblies, hydrogen bonds play an essent... Read More about Mapping the force field of a hydrogen-bonded assembly.

Nuclear spin conversion of water inside fullerene cages detected by low-temperature nuclear magnetic resonance (2014)
Journal Article
Mamone, S., Concistre, M., Carignani, E., Meier, B., Krachmalnicoff, A., Johannessen, O. G., …Levitt, M. H. (2014). Nuclear spin conversion of water inside fullerene cages detected by low-temperature nuclear magnetic resonance. Journal of Chemical Physics, 140(19), https://doi.org/10.1063/1.4873343

The water-endofullerene H2O@C60 provides a unique chemical system in which freely rotating water molecules are confined inside homogeneous and symmetrical carbon cages. The spin conversion between the ortho and para species of the endohedral H2O was... Read More about Nuclear spin conversion of water inside fullerene cages detected by low-temperature nuclear magnetic resonance.

Height dependent molecular trapping in stacked cyclic porphyrin nanorings (2014)
Journal Article
Wieland, M. B., Perdigão, L. M., Kondratuk, D. V., O'Shea, J. N., Anderson, H. L., & Beton, P. H. (2014). Height dependent molecular trapping in stacked cyclic porphyrin nanorings. Chemical Communications, 50(55), 7332-7335. https://doi.org/10.1039/c4cc02629b

Stacked layers of cyclic porphyrin nanorings constitute nanoscale receptacles with variable height and diameter which preferentially adsorb sublimed molecules. Using scanning tunnelling microscopy we determine the filling capacity of these nanoring t... Read More about Height dependent molecular trapping in stacked cyclic porphyrin nanorings.

Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph (2014)
Journal Article
Vulcani, B., Bamford, S. P., Häußler, B., Vika, M., Rojas, A. L., Agius, N., …Tuffs, R. J. (in press). Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph. Monthly Notices of the Royal Astronomical Society, 441(2), 1340-1362. https://doi.org/10.1093/mnras/stu632

We investigate the relationship between colour and structure within galaxies using a large, volume-limited sample of bright, low-redshift galaxies with optical–near-infrared imaging from the Galaxy And Mass Assembly survey. We fit single-component, w... Read More about Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph.

The thermal history of the intergalactic medium down to redshift z=1.5: a new curvature measurement (2014)
Journal Article
Boera, E., Murphy, M. T., Becker, G. D., & Bolton, J. S. (2014). The thermal history of the intergalactic medium down to redshift z=1.5: a new curvature measurement. Monthly Notices of the Royal Astronomical Society, 441(3), https://doi.org/10.1093/mnras/stu660

According to the photoheating model of the intergalactic medium (IGM), He ii reionization is expected to affect its thermal evolution. Evidence for additional energy injection into the IGM has been found at 3 ≲ z ≲ 4, though the evidence for the subs... Read More about The thermal history of the intergalactic medium down to redshift z=1.5: a new curvature measurement.

A cavity-Cooper pair transistor scheme for investigating quantum optomechanics in the ultrastrong coupling regime (2014)
Journal Article
Rimberg, A., Blencowe, M., Armour, A., & Nation, P. (2014). A cavity-Cooper pair transistor scheme for investigating quantum optomechanics in the ultrastrong coupling regime. New Journal of Physics, 16, Article 055008. https://doi.org/10.1088/1367-2630/16/5/055008

We propose a scheme involving a Cooper pair transistor (CPT) embedded in a superconducting microwave cavity, where the CPT serves as a charge tunable quantum inductor to facilitate ultra-strong coupling between photons in the cavity and a nano- to me... Read More about A cavity-Cooper pair transistor scheme for investigating quantum optomechanics in the ultrastrong coupling regime.

Galaxy cluster mass reconstruction project – I. Methods and first results on galaxy-based techniques (2014)
Journal Article
Old, L., Skibba, R., Pearce, F. R., Croton, D., Muldrew, S. I., Muñoz-Cuartas, J., …Wojtak, R. (2014). Galaxy cluster mass reconstruction project – I. Methods and first results on galaxy-based techniques. Monthly Notices of the Royal Astronomical Society, 441(2), 1513-1536. https://doi.org/10.1093/mnras/stu545

This paper is the first in a series in which we perform an extensive comparison of various galaxy-based cluster mass estimation techniques that utilize the positions, velocities and colours of galaxies. Our primary aim is to test the performance of t... Read More about Galaxy cluster mass reconstruction project – I. Methods and first results on galaxy-based techniques.

Raman scattering reveals strong LO-phonon-hole-plasmon coupling in nominally undoped GaAsBi: optical determination of carrier concentration (2014)
Journal Article
Steele, J., Lewis, R., Henini, M., Lemine, O., Fan, D., Mazur, Y., …Salamo, G. (2014). Raman scattering reveals strong LO-phonon-hole-plasmon coupling in nominally undoped GaAsBi: optical determination of carrier concentration. Optics Express, 22(10), https://doi.org/10.1364/OE.22.011680

We report room-temperature Raman scattering studies of nominally undoped (100) GaAs1−xBix epitaxial layers exhibiting Biinduced (p-type) longitudinal-optical-plasmon coupled (LOPC) modes for 0.018≤x≤0.048. Redshifts in the GaAs-like optical modes due... Read More about Raman scattering reveals strong LO-phonon-hole-plasmon coupling in nominally undoped GaAsBi: optical determination of carrier concentration.

The dust budget crisis in high-redshift submillimetre galaxies (2014)
Journal Article
Rowlands, K., Gomez, H., Dunne, L., Aragón-Salamanca, A., Dye, S., Maddox, S., …van der Werf, P. (in press). The dust budget crisis in high-redshift submillimetre galaxies. Monthly Notices of the Royal Astronomical Society, 441(2), https://doi.org/10.1093/mnras/stu605

We apply a chemical evolution model to investigate the sources and evolution of dust in a sample of 26 high-redshift (z > 1) submillimetre galaxies (SMGs) from the literature, with complete photometry from ultraviolet to the submillimetre. We show th... Read More about The dust budget crisis in high-redshift submillimetre galaxies.

Compositional variations in In0.5Ga0.5N nanorods grown by molecular beam epitaxy (2014)
Journal Article
Cherns, D., Webster, R. F., Novikov, S. V., Foxon, C. T., Fischer, A. M., Ponce, F. A., & Haigh, S. J. (2014). Compositional variations in In0.5Ga0.5N nanorods grown by molecular beam epitaxy. Nanotechnology, 25(21), Article 215705. https://doi.org/10.1088/0957-4484/25/21/215705

The composition of InxGa1 ? xN nanorods grown by molecular beam epitaxy with nominal x = 0.5 has been mapped by electron microscopy using Z-contrast imaging and x-ray microanalysis. This shows a coherent and highly strained core-shell structure with... Read More about Compositional variations in In0.5Ga0.5N nanorods grown by molecular beam epitaxy.

Ionized gas discs in elliptical and S0 galaxies at z < 1 (2014)
Journal Article
Jaffe, Y. L., Aragón-Salamanca, A., Ziegler, B., Kuntschner, H., Zaritsky, D., Rudnick, G., …Demarco, R. (2014). Ionized gas discs in elliptical and S0 galaxies at z < 1. Monthly Notices of the Royal Astronomical Society, 440(4), https://doi.org/10.1093/mnras/stu507

We analyse the extended, ionized-gas emission of 24 early-type galaxies (ETGs) at 0 < z < 1 from the ESO Distant Cluster Survey (EDisCS). We discuss different possible sources of ionization and favour star formation as the main cause of the observed... Read More about Ionized gas discs in elliptical and S0 galaxies at z < 1.