Neutron scattering study of ionic diffusion in Cu–Se superionic compounds

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dc.contributor.authorDanilkin, SAen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorSale, Men_AU
dc.contributor.authorSakuma, Ten_AU
dc.date.accessioned2014-04-22T06:34:32Zen_AU
dc.date.available2014-04-22T06:34:32Zen_AU
dc.date.issued2012-10-04en_AU
dc.date.statistics2014-04-22en_AU
dc.description.abstractPaper reports the results of the neutron scattering study of crystal structure and diffusion of Cu2 − δSe compounds in superionic α-phase. We found that the crystallographic model with Cu atoms in the 8c (0.25, 0.25, 0.25) and 32f (x, x, x) (x = 0.33–0.39) sites in fluorite lattice provides the best description of the average structure. The quasi-elastic neutron scattering data reveal the decrease of the self-diffusion coefficient with the deviation from the stoichiometry due to the longer residence time of Cu atoms between diffusion hops. Combination of neutron diffraction, quasi-elastic scattering experimental data with the Bond-Valence Method simulations strongly suggests that the Cu atoms diffuse between the nearest 8c sites through the 32f sites. © 2012, Elsevier Ltd.en_AU
dc.identifier.citationDanilkin, S. A., Avdeev, M., Sale, M., & Sakuma, T. (2012). Neutron scattering study of ionic diffusion in Cu–Se superionic compounds. Solid State Ionics, 225, 190-193 (Special Issue SI). doi:10.1016/j.ssi.2012.02.046en_AU
dc.identifier.govdoc4565en_AU
dc.identifier.issn0167-2738en_AU
dc.identifier.issueSpecial issue S1en_AU
dc.identifier.journaltitleSolid State Ionicsen_AU
dc.identifier.pagination190-193en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.ssi.2012.02.046en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5466en_AU
dc.identifier.volume225en_AU
dc.language.isoenen_AU
dc.publisherElsevier Science BVen_AU
dc.subjectIonic conductivityen_AU
dc.subjectIonsen_AU
dc.subjectCopperen_AU
dc.subjectChalcogenidesen_AU
dc.subjectNeutronsen_AU
dc.subjectDiffractionen_AU
dc.titleNeutron scattering study of ionic diffusion in Cu–Se superionic compoundsen_AU
dc.typeJournal Articleen_AU
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