Three-dimensional coherent X-ray diffraction imaging of a ceramic nanofoam: determination of structural deformation mechanisms

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dc.creatorBarty, A.
dc.creatorMarchesini, S.
dc.creatorChapman, H. N.
dc.creatorCui, C.
dc.creatorHowells, M. R.
dc.creatorShapiro, D. A.
dc.creatorMinor, A. M.
dc.creatorSpence, J. C. H.
dc.creatorWeierstall, U.
dc.creatorIlavsky, J.
dc.creatorNoy, A.
dc.creatorHau-Riege, S. P.
dc.creatorArtyukhin, A. B.
dc.creatorBaumann, T.
dc.creatorWilley, T.
dc.creatorStolken, J.
dc.creatorvan Buuren, T.
dc.creatorKinney, J. H.
dc.date2007-08-30
dc.date2008-06-25
dc.date.accessioned2026-07-07T09:53:03Z
dc.date.available2026-07-07T09:53:03Z
dc.descriptionUltra-low density polymers, metals, and ceramic nanofoams are valued for their high strength-to-weight ratio, high surface area and insulating properties ascribed to their structural geometry. We obtain the labrynthine internal structure of a tantalum oxide nanofoam by X-ray diffractive imaging. Finite element analysis from the structure reveals mechanical properties consistent with bulk samples and with a diffusion limited cluster aggregation model, while excess mass on the nodes discounts the dangling fragments hypothesis of percolation theory.
dc.description8 pages, 5 figures, 30 references
dc.identifierhttps://arxiv.org/abs/0708.4035
dc.identifierhttp://arxiv.org/abs/0708.4035
dc.identifierPhys. Rev. Lett. 101, 055501 (2008).
dc.identifierdoi:10.1103/PhysRevLett.101.055501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/165812
dc.subjectMaterials Science
dc.subjectOptics
dc.titleThree-dimensional coherent X-ray diffraction imaging of a ceramic nanofoam: determination of structural deformation mechanisms
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