231 Works

Brownfield land dataset

Clare Bambra, Steve Robertson, Adetayo Kasim, Joe Smith, Jo Cairns, Alison Copeland, Nina Finlay & Karen Johnson
This dataset contains the relative proportion of brownfield land (or previously developed land) at Census Statistical Ward Level in England taken from 2009 National Land Use Database, age and sex standardised morbidity (from 2001 UK Census) and age and sex standardised all-cause premature mortality (below 75 years) from the Office for National Statistics (1998-2003)

Comparison of Jc in GdBCO tape using Dc magnetisation and harmonic Ac susceptibility measurements [dataset]

Elizabeth Surrey, Seung Hyun Moon & Damian Hampshire
We have measured the critical current density (Jc) of a sample of SuNAM HTS tape using Ac Susceptibility (ACS) and Dc Magnetisation (DCM) techniques. In DCM measurements, inhomogeneity in the applied Dc field causes a systematic underestimate of Jc. The error in DCM measurements is characterized by the penetration parameter, gamma, and grows as Jc decreases. Using a harmonic ACS analysis, we have obtained more accurate measurements of Jc as a function of applied Dc...

Ultra-high speed Terahertz imaging using atomic vapour [dataset]

Lucy Alexandra Downes, Kevin John Weatherill, Andrew Rae MacKellar, Daniel James Whiting, Charles S. Adams & Cyril Bourgenot

Radiation trapping in a dense cold Rydberg gas: Supporting data

Daniel P. Sadler, Elizabeth M. Bridge, Danielle Boddy, Alistair D. Bounds, Niamh C. Keegan, Graham Lochead, Matthew P. A. Jones & Beatriz Olmos
Data files can be opened in Matlab. The authors used Matlab R2015a. If you do not have access to Matlab, Mathematica, Scilab (freeware) or similar applications should be able to open the files.

Data from: Towards a mechanistic understanding of carbon stabilization in manganese oxides.

Karen Johnson, Graham Purvis, Elisa Lopez-Capel & Jesus Ojeda
Minerals are known to stabilise organic carbon in sediments, affecting biogeochemical cycles and global climate, but the mechanism is not understood. Here, the authors suggest that manganese oxides can trap organic carbon and may act as a 'mineral pump', transforming carbon between labile and refractory forms.

The effect of ambient humidity on the stiffness and strength of a hyper-compacted silty clay for earth building [dataset]

Alessia Cuccurullo
The effect of pore suction and water content on the engineering properties of partially saturated soils has been extensively studied by geotechnical researchers. It is well known that unsaturated soils become stiffer, stronger and less permeable as suction increases and saturation decreases. The results from these studies are however not directly applicable to the analysis of earth buildings, which are made of coarser soils compacted to a much denser state. The present paper investigates the...

Vikki Bird thesis supplementary data: Structure and dynamics in polystyrene/single-walled carbon nanotube nanocomposites via neutron scattering techniques

Vikki Bird
The dataset archive contains Origin software project files (*.opj). A free viewer to inspect data can be downloaded form http://www.originlab.com

Rethinking Iberian ‘warrior’ stelae: a multidisciplinary investigation of Mirasiviene and its connection to Setefilla (Lora del Río, Seville, Spain) [dataset]

Marta Diaz-Guardamino
Iberian ‘warrior’ stelae have captured the imagination of researchers and the public for more than a century. Traditionally, stelae were considered ‘de-contextualised’ monuments, and research typically focused on the study of their iconography, paying little or no attention to their immediate contexts. As a result, despite the large number of these stelae known to date (c. 140) and the ample body of literature that has dealt with them, fundamental questions remain unanswered. This paper aims...

Electrical and mechanical diagnostic indicators of wind turbine induction generator rotor faults [dataset]

Donatella Zappalá
In MW-sized wind turbines, the most widely-used generator is the wound rotor induction machine, with a partially-rated voltage source converter connected to the rotor. This generator is a significant cause of wind turbine fault modes. In this paper, a harmonic time-stepped generator model is applied to derive wound rotor induction generator electrical & mechanical signals for fault measurement, and propose simple closed-form analytical expressions to describe them. Predictions are then validated with tests on a...

Magnetic phases of skyrmion-hosting GaV4S8−ySey ( y = 0, 2, 4, 8) probed with muon spectroscopy [dataset]

Tom Lancaster, Kévin Franke, Benjamin Huddart, Thomas Hicken, Fan Xiao, Stephen Blundell, Francis Pratt, Joel Barker, Stewart Clark, Ales Stefancic, Monica Ciomaga Hatnean & Geetha Balakrishnan
We present the results of a muon-spin spectroscopy investigation of GaV4S8−ySey with y=0,2,4, and 8. Zero-field measurements suggest that GaV4Se8 and GaV4S8 have distinct magnetic ground states, with the latter material showing an anomalous temperature dependence of the local magnetic field. It is not possible to evolve the magnetic state continuously between these two systems, with the intermediate y=2 and 4 materials showing glassy magnetic behavior at low temperature. The skyrmion lattice (SkL) phase is...

Data for "Enhanced optical cross section via collective coupling of atomic dipoles in a 2D array"

Robert J. Bettles
Enhancing the optical cross section is an enticing goal in light-matter interactions, due to its fundamental role in quantum and non-linear optics. Here, we show how dipolar interactions can suppress off-axis scattering in a two-dimensional atomic array, leading to a subradiant collective mode where the optical cross section is enhanced by almost an order of magnitude. As a consequence, it is possible to attain an optical depth which implies high fidelity extinction, from a monolayer....

Deviations from Born-Oppenheimer mass scaling in spectroscopy and ultracold molecular physics: research data

Jeremy M. Hutson & Jesse J. Lutz
We investigate Born-Oppenheimer breakdown (BOB) effects (beyond the usual mass scaling) for the electronic ground states of a series of homonuclear and heteronuclear alkali-metal diatoms, together with the Sr$_2$ and Yb$_2$ diatomics. Several widely available electronic structure software packages are used to calculate the leading contributions to the total isotope shift for commonly occurring isotopologs of each species. Computed quantities include diagonal Born-Oppenheimer corrections (mass shifts) and isotopic field shifts. Mass shifts dominate for light...

Muon-spin relaxation study of the double perovskite insulators Sr2BOsO6 (B = Fe, Y, ln): Supporting data.

T Lancaster, R C Williams, F Xiao, I O Thomas, S J Clark, G A Cornish, S J Blundell, W Hayes, A K Paul, C Felser & M Jansen
Supporting data for the paper "Muon-spin relaxation study of the double perovskite insulators Sr2BOsO6 (B = Fe, Y, ln)"

Wafer Defect Microscopy Enhancement using Perceptually Motivated Super-Resolution Convolutional Neural Networks [dataset]

Russell Maguire
The silicon super-resolution (SiSR) network is a new convolutional neural network for enhancing the inspection of defects in silicon devices. This paper demonstrates how the proposed SiSR network is able to upscale microscopy images of patterns and defects by x4 in each direction, aiding inspection in small--medium scale device fabrication. The alignment cameras of a laser-writer were repurposed to capture a large dataset of patterned wafer microscopy examples at two different magnification factors, but small...

A high-order elliptic PDE based level set reinitialisation method using a discontinuous Galerkin discretisation [figure data]

Thomas Adams, Stefano Giani & William M Coombs
Abstract from paper: In this paper, an efficient, high-order accurate, level set reinitialisation method is proposed, based on the elliptic reinitialisation method (Basting and Kuzmin, 2013), which is discretised spatially using the discontinuous Galerkin (DG) symmetric interior penalty method (SIPG). In order to achieve this a number of improvements have been made to the elliptic reinitialisation method including; reformulation of the underlying minimisation problem driving the solution; adoption of a Lagrange multiplier approach for enforcing...

Directory of UK Based Test and Demonstration Facilities for Wind Technologies [database]

Donatella Zappalá
This report gives an insight into the UK testing and demonstration facilities landscape for the wind energy sector used by the scientific and industrial communities. It provides an exten sive directory of the facilities of use to the UK and European wind research and development community, ident ifying where cutting-edge facilities exist within the UK for validation testing of new developments across th e full range of Technology Readiness Levels. By providing a comprehensive understanding...

On Lagrangian mechanics and the material point method for large deformation elasto-plasticity [dataset]

W.M. Coombs, C.E. Augarde, A.J. Brennan, M.J. Brown, T.J. Charlton, J.A. Knappett, Y. Ghaffari Motlagh & L. Wang
Figure dataset for "On Lagrangian mechanics and the material point method for large deformation elasto-plasticity"

Supporting Data for Pharmaceutical Polymorph Control in a Drug-Mimetic Supramolecular Gel

Jonathan A. Foster, Krishna K. Damodaran, Antoine Maurin, Graeme M. Day, Hugh P. G. Thompson, Gary S. Cameron, Jenifer Cuestra & Jonathan W. Steed
We report the synthesis of a bis(urea) gelator designed to specifically mimic the chemical structure of the highly polymorphic drug substance ROY. Crystallization of ROY from toluene gels of this gelator results in the formation of the metastable red form instead of the thermodynamic yellow polymorph. In contrast, all other gels and solution control experimetns give the yellow form. Conformational and crystal structure prediction methods have been used to propose the structure of the gel...

Data and Software for Degiacomi et al, Structure, 2017

Matteo T. Degiacomi, Justin L. P. Benesch, Carla Schmidt & Andrew J. Baldwin
Data and Software supporting Degiacomi et al study about a new method and associated software, DynamXL, that accommodates intrinsic protein dynamics in the modelling of cross-linking data. This approach substantially reduces error rates, leading to higher confidence in structure assessment and improved protein-protein docking.

Domain wall encoding of integer variables for quantum annealing and QAOA [dataset]

Nicholas Chancellor
All of the data from the paper, as well as an easy python module or creating domain wall encodings. Marked as software, even though it also does contain the datasets.

Data from "Spectroscopic detection of atom-surface interactions in an atomic vapour layer with nanoscale thickness"

K.A. Whittaker, J. Keaveney, A. Sargsyan, D. Sarkisyan, I.G. Hughes & C.S. Adams
Abstract from article: We measure the resonance line shape of atomic vapor layers with nanoscale thickness confined between two sapphire windows. The measurement is performed by scanning a probe laser through resonance and collecting the scattered light. The line shape is dominated by the effects of Dicke narrowing, self-broadening, and atom-surface interactions. By fitting the measured line shape to a simple model we discuss the possibility to extract information about the atom-surface interaction.

Why do Animal Eyes have Pupils of Different Shapes? (Data Files)

Gordon Love
There is a striking correlation between terrestrial species' pupil shape and ecological niche (i.e., foraging mode and time of day they are active). Species with vertically elongated pupils are very likely to be ambush predators and active day and night. Species with horizontally elongated pupils are very likely to be prey and to have laterally placed eyes. Vertically elongated pupils create astigmatic depth of field such that images of vertical contours nearer or farther than...

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