Three-dimensional coherent x-ray diffraction imaging of a ceramic nanofoam: Determination of structural deformation mechanisms

A. Barty; S. Marchesini; H. N. Chapman; C. Cui; M. R. Howells; D. A. Shapiro; A. M. Minor; John Spence; Uwe Weierstall; J. Ilavsky; A. Noy; S. P. Hau-Riege; A. B. Artyukhin; T. Baumann; T. Willey; J. Stolken; T. Van Buuren; J. H. Kinney

doi:10.1103/PhysRevLett.101.055501

Three-dimensional coherent x-ray diffraction imaging of a ceramic nanofoam: Determination of structural deformation mechanisms

A. Barty, S. Marchesini, H. N. Chapman, C. Cui, M. R. Howells, D. A. Shapiro, A. M. Minor, John Spence, Uwe Weierstall, J. Ilavsky, A. Noy, S. P. Hau-Riege, A. B. Artyukhin, T. Baumann, T. Willey, J. Stolken, T. Van Buuren, J. H. Kinney

Physics

Research output: Contribution to journal › Article › peer-review

82 Scopus citations

Abstract

Ultralow 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.

Original language	English (US)
Article number	055501
Journal	Physical Review Letters
Volume	101
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.101.055501
State	Published - Jul 28 2008

ASJC Scopus subject areas

Physics and Astronomy(all)

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Barty, A., Marchesini, S., Chapman, H. N., Cui, C., Howells, M. R., Shapiro, D. A., Minor, A. M., Spence, J., Weierstall, U., Ilavsky, J., Noy, A., Hau-Riege, S. P., Artyukhin, A. B., Baumann, T., Willey, T., Stolken, J., Van Buuren, T., & Kinney, J. H. (2008). Three-dimensional coherent x-ray diffraction imaging of a ceramic nanofoam: Determination of structural deformation mechanisms. Physical Review Letters, 101(5), [055501]. https://doi.org/10.1103/PhysRevLett.101.055501

Barty, A, Marchesini, S, Chapman, HN, Cui, C, Howells, MR, Shapiro, DA, Minor, AM, Spence, J, Weierstall, U, Ilavsky, J, Noy, A, Hau-Riege, SP, Artyukhin, AB, Baumann, T, Willey, T, Stolken, J, Van Buuren, T & Kinney, JH 2008, 'Three-dimensional coherent x-ray diffraction imaging of a ceramic nanofoam: Determination of structural deformation mechanisms', Physical Review Letters, vol. 101, no. 5, 055501. https://doi.org/10.1103/PhysRevLett.101.055501

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abstract = "Ultralow 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.",

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AU - Cui, C.

AU - Howells, M. R.

AU - Shapiro, D. A.

AU - Minor, A. M.

AU - Spence, John

AU - Weierstall, Uwe

AU - Ilavsky, J.

AU - Noy, A.

AU - Hau-Riege, S. P.

AU - Artyukhin, A. B.

AU - Baumann, T.

AU - Willey, T.

AU - Stolken, J.

AU - Van Buuren, T.

AU - Kinney, J. H.

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AB - Ultralow 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.

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Three-dimensional coherent x-ray diffraction imaging of a ceramic nanofoam: Determination of structural deformation mechanisms

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