S
Stephen Hull
Researcher at Rutherford Appleton Laboratory
Publications - 78
Citations - 3516
Stephen Hull is an academic researcher from Rutherford Appleton Laboratory. The author has contributed to research in topics: Neutron diffraction & Crystal structure. The author has an hindex of 29, co-authored 77 publications receiving 3175 citations.
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Superionics: crystal structures and conduction processes
TL;DR: A review of the state of current knowledge concerning the crystal structures and conduction processes of superionic conductors can be found in this article, where the relative importance of factors such as bonding character and the properties of the mobile and immobile ions in promoting the extensive lattice disorder which characterizes superionic behaviour is assessed and the possibilities for predicting a priori which compounds will display high ionic conductivity discussed.
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Structure and electrochemistry of lithium cobalt oxide synthesised at 400°C
TL;DR: LiCoO2 (400°C) as discussed by the authors is a compound that was prepared by the reaction of Li2CO3 and CoCO3 at 400°C, which has approximately 6% cobalt within the lithium layers and is stable in many of the organic-based electrolytes that are currently employed in lithium cells.
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Defect structure of yttria-stabilized zirconia and its influence on the ionic conductivity at elevated temperatures
TL;DR: The defect structure of cubic fluorite structured yttria-stabilized zirconia has been investigated over the composition range $0.100(4)l~xl~0.15)$ using single-crystal specimens as discussed by the authors.
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Alpha manganese dioxide for lithium batteries: A structural and electrochemical study
Margaretha Hendrina Rossouw,D.C. Liles,Michael M. Thackeray,William I. F. David,Stephen Hull +4 more
TL;DR: In this paper, a highly crystalline α-MnO2 phase has been synthesized by acid treatment of Li2Mn0.91O2 (or MnO2·0.2A2O) where A refers predominantly to H+ ions and Li+ ions.
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High-pressure polymorphism of the copper(I) halides: A neutron-diffraction study to ∼10 GPa
Stephen Hull,David A. Keen +1 more
TL;DR: The structural changes within the copper(I) halides induced by hydrostatic pressure have been investigated using the powder neutron-diffraction technique and the evolution of the structures of these I-VII compounds is very different from that observed in the more covalent II-VI and III-V systems.