Investigation of (micro-)meteoritic materials at the new hard X-ray imaging PUMA beamline for heritage sciences

Pieter Tack, Benjamin Bazi, Bart Vekemans, Tulin Okbinoglu, Flore Van Maldeghem, Steven Goderis, Sebastian Schöder, Vincze Laszlo

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

At the French synchrotron facility SOLEIL, a new X-ray imaging facility PUMA (Photons Utilise ́s pour les Mate ́riaux Anciens) has been made available to scientific communities studying materials from cultural heritage. This new instrument aims to achieve 2D and 3D imaging with microscopic resolution, applying different analytical techniques including X-ray fluorescence spectro- scopy (XRF), X-ray absorption spectroscopy (XAS), X-ray diffraction and phase-contrast imaging. In order to discover its capabilities a detailed analytical characterization of this beamline as an analytical and imaging tool is deemed necessary. In this work, (confocal) XRF and XAS analyses are demonstrated using the Seymchan pallasite meteorite and an Antarctic unmelted micro- meteorite as case studies. The obtained spatial resolution (2 mm ﰀ 3 mm) and sensitivity (detection limits <10 p.p.m. for 1 s acquisition at 18 keV) show that PUMA is a competitive state-of-the-art beamline, providing several high-profile and high-in-demand analytical methods while maintaining applicability towards a wide range of heritage-oriented sciences.
Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalJournal of synchrotron radiation
Volume26
Issue number1
DOIs
Publication statusPublished - Jan 2019

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