Combined synchrotron X-ray tomography and X-ray powder diffraction using a fluorescing metal foil

P. Kappen, Benedicta D. Arhatari, Mac B. Luu, E Balaur, T. Caradoc-Davies

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This study realizes the concept of simultaneous micro-X-ray computed tomography and X-ray powder diffraction using a synchrotron beamline. A thin zinc metal foil was placed in the primary, monochromatic synchrotron beam to generate a divergent wave to propagate through the samples of interest onto a CCD detector for tomographic imaging, thus removing the need for large beam illumination and high spatial resolution detection. Both low density materials (kapton tubing and a piece of plant) and higher density materials (Egyptian faience) were investigated, and elemental contrast was explored for the example of Cu and Ni meshes. The viability of parallel powder diffraction using the direct beam transmitted through the foil was demonstrated. The outcomes of this study enable further development of the technique towards in situ tomography/diffraction studies combining micrometer and crystallographic length scales, and towards elemental contrast imaging and reconstruction methods using well defined fluorescence outputs from combinations of known fluorescence targets (elements).

Original languageEnglish
Article number063703
Number of pages7
JournalReview of Scientific Instruments
Volume84
Issue number6
DOIs
Publication statusPublished - Jun 2013
Externally publishedYes

Cite this

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title = "Combined synchrotron X-ray tomography and X-ray powder diffraction using a fluorescing metal foil",
abstract = "This study realizes the concept of simultaneous micro-X-ray computed tomography and X-ray powder diffraction using a synchrotron beamline. A thin zinc metal foil was placed in the primary, monochromatic synchrotron beam to generate a divergent wave to propagate through the samples of interest onto a CCD detector for tomographic imaging, thus removing the need for large beam illumination and high spatial resolution detection. Both low density materials (kapton tubing and a piece of plant) and higher density materials (Egyptian faience) were investigated, and elemental contrast was explored for the example of Cu and Ni meshes. The viability of parallel powder diffraction using the direct beam transmitted through the foil was demonstrated. The outcomes of this study enable further development of the technique towards in situ tomography/diffraction studies combining micrometer and crystallographic length scales, and towards elemental contrast imaging and reconstruction methods using well defined fluorescence outputs from combinations of known fluorescence targets (elements).",
author = "P. Kappen and Arhatari, {Benedicta D.} and Luu, {Mac B.} and E Balaur and T. Caradoc-Davies",
year = "2013",
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language = "English",
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journal = "Review of Scientific Instruments",
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}

Combined synchrotron X-ray tomography and X-ray powder diffraction using a fluorescing metal foil. / Kappen, P.; Arhatari, Benedicta D.; Luu, Mac B.; Balaur, E; Caradoc-Davies, T.

In: Review of Scientific Instruments, Vol. 84, No. 6, 063703, 06.2013.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Combined synchrotron X-ray tomography and X-ray powder diffraction using a fluorescing metal foil

AU - Kappen, P.

AU - Arhatari, Benedicta D.

AU - Luu, Mac B.

AU - Balaur, E

AU - Caradoc-Davies, T.

PY - 2013/6

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AB - This study realizes the concept of simultaneous micro-X-ray computed tomography and X-ray powder diffraction using a synchrotron beamline. A thin zinc metal foil was placed in the primary, monochromatic synchrotron beam to generate a divergent wave to propagate through the samples of interest onto a CCD detector for tomographic imaging, thus removing the need for large beam illumination and high spatial resolution detection. Both low density materials (kapton tubing and a piece of plant) and higher density materials (Egyptian faience) were investigated, and elemental contrast was explored for the example of Cu and Ni meshes. The viability of parallel powder diffraction using the direct beam transmitted through the foil was demonstrated. The outcomes of this study enable further development of the technique towards in situ tomography/diffraction studies combining micrometer and crystallographic length scales, and towards elemental contrast imaging and reconstruction methods using well defined fluorescence outputs from combinations of known fluorescence targets (elements).

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