247 Works

Rydberg-Dressed Magneto-Optical Trap [dataset]

N. C. Jackson, A.D. Bounds, R.K. Hanley, R. Faoro, E.M. Bridge, P. Huillery & M. P. A. Jones
Data supporting the publication "Rydberg-Dressed Magneto-Optical Trap". Contains data for each of the Figures 1-5 shown in the main text.

The role of crustal buoyancy on generation and emplacement of magmatism during continental collision [dataset]

Nicholas Schliffke
During continental collision, considerable amounts of buoyant continental crust subduct to depth and subsequently exhume. Whether various exhumation paths contribute to contrasting styles of magmatism across modern collision zones is unclear. Here, we present 2D thermomechanical models of continental collision combined with petrological databases to investigate the effect of the main contrasting buoyancy forces, in the form of continental crustal buoyancy vs oceanic slab age (i.e. its thickness). We specifically focus on the consequences for...

Supporting data: Mechanism for the uniaxial strain dependence of the critical current in practical REBCO tapes

Kozo Osamura, Shutaro Machiya & Damian Hampshire
Abstract form paper: In order to elucidate the effect of uniaxial strain on the critical current of practical REBCO tapes (REBa2Cu3O7−d , RE = Y and Gd) fabricated by Superpower and SuNAM, two types of critical current measurements were carried out. In the first, the tape sample was attached directly to a universal testing machine and pulled under a tensile load. In the second, the tape was soldered to a Cu–Be springboard and then attached...

Substrate-Independent Epitaxial Growth of the Metal–Organic Framework MOF-508a. [dataset]

Matthew Wilson
Plasmachemical deposition is a substrate-independent method for the conformal surface functionalization of solid substrates. Structurally well-defined pulsed plasma deposited poly(1-allylimidazole) layers provide surface imidazole linker groups for the directed liquid-phase epitaxial (layer-by-layer) growth of metal–organic frameworks (MOFs) at room temperature. For the case of microporous [Zn (benzene-1,4-dicarboxylate)-(4,4′-bipyridine)0.5] (MOF-508), the MOF-508a polymorph containing two interpenetrating crystal lattice frameworks undergoes orientated Volmer–Weber growth and displays CO2 gas capture behavior at atmospheric concentrations in proportion to the number...

Approaches to novel B-N chemistry at the boundary of Frustrated Lewis Pairs and bifunctional catalysis

Sergey Arkhipenko
This project is devoted to boron chemistry in two ways. Firstly, the development of the boron – nitrogen “Frustrated” Lewis Pairs (FLPs) was investigated by combining the principles of this approach with known bifunctional catalytic methods. This also included design and synthetic efforts towards new bifunctional catalysts 108 and 157 on the basis of L-proline connected to Lewis acidic borane or borinic derivatives, which revealed multiple peculiarities of boron chemistry. Catalyst 176 was successfully utilised...

Weakly-Emergent Strain Dependent Properties of High Field Superconductors [dataset]

Damian Hampshire
All superconductors in high field magnets operating above 12 T are brittle and subjected to large strains because of the differential thermal contraction between component parts on cool-down and the large Lorentz forces produced in operation. The continuous scientific requirement for higher magnetic fields in superconducting energy-efficient magnets means we must understand and control the high sensitivity of critical current density Jc to strain ε. Here we present very detailed Jc(B, θ, T, ε) measurements...

Quantum reflection of bright solitary matter-waves from a narrow attractive potential: Supporting data.

A. L. Marchant, T. P. Billam, M. M. H. Yu, A. Rakonjac, J. L. Helm, J. Polo, C. Weiss, S. A. Gardiner & S. L. Cornish
Data supporting the work "Quantum reflection of bright solitary matter-waves from a narrow attractive potential". Prepr int available at http://www.arxiv.org/abs/1507.04639.

Data from "Fluorescent Carbon Dot – Molecular Salt Hydrogels"

Angelina Cayuela, Stuart R. Kennedy, M. Laura Soriano, Christopher D. Jones, M. Laura Soriano, Miguel Valcárcel & Jonathan W. Steed
The incorporation of functionalised carbon nanodots within a novel low molecular weight salt hydrogel derived from 5-aminosalycilic acid is reported. The carbon dots result in markedly enhanced gelation properties, while inclusion within the hydrophobic gel results in a dramatic fluorescence enhancement for the carbon nanomaterials. The resulting hybrid CD Gels exhibit a useful sensor response for heavy metal ions, particularly Pb2+.

Supporting data: A posteriori discontinuous Galerkin error estimator for linear elasticity

R.E. Bird, S. Giani & W.M. Coombs

Versatile Zeeman slower CsYb data

Stephen A. Hopkins, Kirsteen L. Butler, Alexander Guttridge, Stefan L. Kemp, Ruben Freytag, Ed A. Hinds, Michael R. Tarbutt & Simon L. Cornish
We describe the design, construction and operation of a versatile dual-species Zeeman slower for both Cs and Yb, which is easily adaptable for use with other alkali metals and alkaline earths. With the aid of analytic models and numerical simulation of decelerator action, we highlight several real-world problems affecting the performance of a slower and discuss effective solutions. To capture Yb into a magneto-optical trap (MOT), we use the broad 1S0 to 1P1 transition at...

Progress towards quantum-enhanced interferometry with harmonically trapped quantum matter-wave bright solitons: Supporting data

Bettina Gertjerenken, Timothy P. Wiles & Christoph Weiss
Supporting data for the publication "Progress towards quantum-enhanced interferometry with harmonically trapped quantum matter-wave bright solitons"

Quantum magnetism in molecular spin ladders probed with muon-spin spectroscopy [dataset]

Tom Lancaster, Fan Xiao, Ben Huddart, Robert Williams, Francis Pratt, Blundell, Stephen, , Stewart Clark, Robert Scheuermann, Tatsuo Goko, Simon Ward, Jamie Manson, Christian Ruegg & Karl Kramer
We present the results of muon-spin spectroscopy (μ+SR) measurements on the molecular spin ladder system (Hpip)2CuBr4(1−x)Cl4x, [Hpip=(C5H12N)]. Using transverse field μ+SR we are able to identify characteristic behaviour in each of the regions of the phase diagram of the x=0 strong-rung spin ladder system (Hpip)2CuBr4. Comparison of our results to those of the dimer-based molecular magnet Cu(pyz)(gly)(ClO4) shows several common features. We locate the crossovers in partially disordered (Hpip)2CuBr4(1−x)Cl4x (x=0.05), where a region of behaviour...

Characterisation of phosphorylated nucleotides by collisional and electron-based tandem mass spectrometry by FTICR MS

Jackie Mosely
FT ICR mass spectrometry: collision induced dissociation and electron-based dissociation of phosphorylated nucleotides

Supporting Data for Metal ‘Turn-off’, Anion ‘Turn-On’ Gelation Cascade in Pyridinylmethyl Ureas

Jonathan W. Steed
Underlying data for paper "Metal ‘Turn-off’, Anion ‘Turn-On’ Gelation Cascade in Pyridinylmethyl Ureas" submitted to Chemical Communications 15/11/16

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

Kate Whittaker, James Keaveney, Charles S Adams & Ifan Hughes
Abstract from paper: 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.

Negative vector chirality 120◦ spin structure in the defect- and distortion-free quantum kagome antiferromagnet YCu3(OH)6Cl3 [dataset]

Matjaž Gomilšek
The magnetic ground state of the ideal quantum kagome antiferromagnet (QKA) has been a long-standing puzzle, mainly because perturbations to the nearest-neighbor isotropic Heisenberg Hamiltonian can lead to various fundamentally different ground states. Here we investigate a recently synthesized QKA representative, YCu3(OH)6Cl3, in which perturbations commonly present in real materials, like lattice distortion and intersite ion mixing, are absent. Nevertheless, this compound enters a long-range magnetically ordered state below TN = 15K. Our powder neutron...

Durham RCUK [Green] Open Access Data Year 3 (Aug2015-Jul2016)

Sarah Hyland & James Bisset
Data listing all articles and conference papers published by a Durham author acknowledging RCUK funding between August 2015 and July 2016, which met the RCUK Open Access policy requirements via the Green OA route.

Data archive for Chem Comm paper | Furosemide's one little hydrogen atom: NMR crystallography structure verification of powdered molecular organics

Cory Widdifield
The potential of NMR crystallography to verify molecular crystal structures deposited in structural databases is evaluated, with two structures of the pharmaceutical furosemide serving as examples. While the structures differ in the placement of one H atom, using this approach, we verify one of the structures in the Cambridge Structural Database using quantitative tools, while establishing that the other structure does not meet the verification criteria.

Data from: "Canonical finite temperature data for an attractive Bose gas in one dimension"

Christoph Weiss
The data was obtained by using an exact recurrence relation.

Data for "Optimised conditions for the synthesis of 17O and 18O labelled cholesterol"

Robert V Law, Celia De La Calle Arregui, Jonathan A Purdie, Catherine A Haslam & John M Sanderson
A file index info.txt is present in the zip archive

Could High H98-Factor Commercial Tokamak Power Plants Use Nb–Ti Toroidal Field Coils? [dataset]

S. B. L. Chislett-McDonald
In large engineering applications, materials that can fail by brittle fracture are avoided if there are practical, ductile alterna-tives. In recent years, advances in the experimental control and shaping of fusion energy plasmas have produced confinement times that are longer than the accepted IPB98(y,2) values (i.e. higher H98-factors). Detailed understanding of these enhancements in H98-factor is not available, but values as large as 1.5 - 1.8 may be possible [1, 2]. If such high values...

Fast native-MATLAB stiffness assembly for SIPG linear elasticity

R. Bird, W.M. Coombs & S. Giani
When written in MATLAB the finite element method (FEM) can be implemented quickly and with significantly fewer lines, when compared to compiled code. MATLAB is also an attractive environment for generating bespoke routines for scientific computation as it contains a library of easily accessible inbuilt functions, effective debugging tools and a simple syntax for generating scripts. However, there is a general view that MATLAB is too inefficient for the analysis of large problems. Here this...

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