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Structure and dynamics in nanoionic materials

Chadwick, Alan V., Savin, Shelly L. P. (2006) Structure and dynamics in nanoionic materials. Solid State Ionics, 177 (35-36). pp. 3001-3008. ISSN 0167-2738. (doi:10.1016/j.ssi.2006.07.046) (KAR id:8919)

Language: English
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Nanomaterials, materials with particle dimensions less than 100 nm, show a range of unusual properties when compared with their bulk counterparts. Atomic transport is one of these properties and nanomaterials have been reported as having exceptionally high diffusion coefficients. In the case of ionic materials the atomic transport is important in a number of technological applications where they are used as solid electrolytes, for example in sensors, batteries and fuel cells. Hence ionic nanomaterials often referred to as nanoionics, can offer the means of producing electrolytes with improved performance. This contribution will examine the mechanisms of atomic transport in nanoionics in two model materials, zirconia and lithium niobate. Since an understanding of these mechanisms is dependent on knowledge of the microstructure of the materials consideration will also be given to the structural characterisation of the materials, with a focus on X-ray absorption spectroscopy. The use of this technique to characterise mesoporous a-Fe2O3 is also discussed.

Item Type: Article
DOI/Identification number: 10.1016/j.ssi.2006.07.046
Uncontrolled keywords: Nanoionics, Diffusion, XAS, Nanocrystals, Oxides
Subjects: Q Science
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Funders: Engineering and Physical Sciences Research Council (
Depositing User: Alan Chadwick
Date Deposited: 23 Sep 2008 15:06 UTC
Last Modified: 12 Jul 2022 10:38 UTC
Resource URI: (The current URI for this page, for reference purposes)
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