Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Ivana Radosavljevic, Evans"'
Autor:
Bettina Schwaighofer, Miguel Angel Gonzalez, Markus Appel, Michael Marek Koza, Ivana Radosavljevic Evans
Publikováno v:
Chemistry of Materials, 2023, Vol.35(3), pp.1125-1133 [Peer Reviewed Journal]
We report the direct observation of oxide ion dynamics on both nano- and picosecond timescales in the isostructural Bi2O3-derived solid electrolytes Bi0.852V0.148O1.648 and Bi0.852P0.148O1.648 using quasielastic neutron scattering. Comprehensive ab i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edba8a88ce8ef4df936d901851b52c22
http://dro.dur.ac.uk/37905/
http://dro.dur.ac.uk/37905/
Autor:
Chloe A. Fuller, James Iain Murrell, Douglas A. Blom, Thomas Vogt, Weiguo Zhang, P. Shiv Halasyamani, Ivana Radosavljevic Evans, John S. O. Evans
Publikováno v:
Chemistry of Materials, 2022, Vol.34(7), pp.3185-3196 [Peer Reviewed Journal]
We report the synthesis, structural characterization, oxide ion and proton conductivities of the perovskite-related Ba3–xSrxYGa2O7.5 family. Single-phase samples are prepared for 0 x 3 and show a complex structural evolution from P2/c to C2
Publikováno v:
Journal of materials chemistry A, 2021, Vol.9(7), pp.4091-4102 [Peer Reviewed Journal]
A number of metal oxides that crystallise in the scheelite structure type are known to be excellent oxide ion conductors. Here we report the synthesis of a series of materials with general formula LaNb1−xMoxO4+0.5x (x = 0, 0.08, 0.12, 0.16, 0.20) a
Publikováno v:
Journal of Chemical Education, 2021, Vol.98(2), pp.495-505 [Peer Reviewed Journal]
Powder diffraction is one of the most widely used analytical techniques for characterizing solid state materials. It can be used for phase or polymorph identification, quantitative analysis, cell parameter determination, or even full crystal structur
Publikováno v:
Journal of the American Chemical Society, 2022, Vol.144(1), pp.615-624 [Peer Reviewed Journal]
Functional oxides showing high ionic conductivity have many important technological applications. We report oxide ion and proton conductivity in a family of perovskite-related compounds of the general formula A3OhTd2O7.5, where Oh is an octahedrally
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4385337a5c91c3844aa1bc962ea2ce20
http://dro.dur.ac.uk/35530/1/35530AM.pdf
http://dro.dur.ac.uk/35530/1/35530AM.pdf
Autor:
Chloe A. Fuller, Matthias J. Gutmann, Chris D. Ling, Chun-Hai Wang, Weiguo Zhang, P. Shiv Halasyamani, Ivana Radosavljevic Evans, John S. O. Evans
Publikováno v:
Journal of Materials Chemistry A, 2022, Vol.10(27) [Peer Reviewed Journal]
The structure and composition of La-silicate apatite oxide ion conductor, La10Si6O27, in which the types of defects it contains are controversial, has been thoroughly investigated. Large crystals were grown using the floating zone method, and their s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8af158410ff042d87a78c25542079bd2
http://dro.dur.ac.uk/36554/1/36554.pdf
http://dro.dur.ac.uk/36554/1/36554.pdf
Publikováno v:
Inorganic Chemistry. 59:14245-14250
A correlation between oxygen site distributions and ionic conductivity has been established in the recently discovered family of oxide-ion conductors Ba3M2O8.5±δ (M = Nb, V, Mo, W). We rationalize ...
Autor:
Quentin Berrod, John S. O. Evans, Mark R. Johnson, Chloe A. Fuller, Maxim Avdeev, Bernhard Frick, Ivana Radosavljevic Evans
Publikováno v:
Chemistry of Materials
Chemistry of Materials, 2020, ⟨10.1021/acs.chemmater.0c01378⟩
Chemistry of Materials, American Chemical Society, 2020, ⟨10.1021/acs.chemmater.0c01378⟩
Chemistry of Materials, 2020, ⟨10.1021/acs.chemmater.0c01378⟩
Chemistry of Materials, American Chemical Society, 2020, ⟨10.1021/acs.chemmater.0c01378⟩
International audience; A series of Zn-substituted compounds, Sr2Sc1-xZnxGaO5-0.5x, based on the brownmillerite-type oxide ion conductor Sr2ScGaO5 have been synthesized and a single-phase region identified at 0.4 ≤ x < 0.6. The structure and dynami
Autor:
John S. O. Evans, David O. Scanlon, Christopher N. Savory, Ivana Radosavljevic Evans, Aron Walsh, Warda Rahim, Jonathan M. Skelton
Publikováno v:
Chemical Science
Rahim, W, Skelton, J M, Savory, C N, Evans, I R, Evans, J S O, Walsh, A & Scanlon, D O 2020, ' Polymorph exploration of bismuth stannate using first-principles phonon mode mapping ', Chemical Science, vol. 11, no. 30, pp. 7904-7909 . https://doi.org/10.1039/D0SC02995E
Rahim, W, Skelton, J M, Savory, C N, Evans, I R, Evans, J S O, Walsh, A & Scanlon, D O 2020, ' Polymorph exploration of bismuth stannate using first-principles phonon mode mapping ', Chemical Science, vol. 11, no. 30, pp. 7904-7909 . https://doi.org/10.1039/D0SC02995E
Accurately modelling polymorphism in crystalline solids remains a key challenge in computational chemistry. In this work, we apply a theoretically-rigorous phonon mode-mapping approach to understand the polymorphism in the ternary metal oxide Bi2Sn2O
Autor:
Chloe A, Fuller, James Iain, Murrell, Douglas A, Blom, Thomas, Vogt, Weiguo, Zhang, P Shiv, Halasyamani, Ivana Radosavljevic, Evans, John S O, Evans
Publikováno v:
Chemistry of materials : a publication of the American Chemical Society. 34(7)
We report the synthesis, structural characterization, and oxide ion and proton conductivities of the perovskite-related Ba