Non-destructive Phase Analysis of Archaeological Ceramics using TOF Neutron Diffraction |
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| Institution: | 1. Mineralogisch-Petrologisches Institut, Universität Bonn, D-53115, Bonn, Germany;2. Freilichtmuseum Kommern, D-53894, Kommern, Germany;1. Archaeometry Laboratory, Chemistry Department, Atomic Energy Commission of Syria, P. O. Box 6091, Damascus, Syria;2. CNRS – Maison de l’Orient et de la Méditerranée, Laboratoire “Archéorient”, CNRS/Université Lumière-Lyon 2, France;1. Institute of Physics of the Earth, Russian Academy of Sciences, Moscow, Russia;2. Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, UMR 7154, CNRS, Paris, France;3. Sorbonne Universités, UPMC Univ. Paris 6, CNRS, UMR 8220, Laboratoire d’archéologie moléculaire et structurale (LAMS), Paris, France;4. Institute of History, St Petersburg State University, St Petersburg, Russia;1. Department of Chemistry, University of Turin, Via Giuria 7, 10125 Torino, Italy;2. National Institute of Nuclear Physics, National Laboratory of Frascati, via Enrico Fermi 40, 00044, Frascati, Roma, Italy;3. Arvedi Laboratory of Non-Invasive Diagnostics, CISRiC, University of Pavia, Via Bell’Aspa 3, 26100 Cremona, Italy;4. Department of Musicology and Cultural Heritage, University of Pavia, Corso Garibaldi 178, 26100 Cremona, Italy;5. Museo delle Civiltà, piazza Guglielmo Marconi 14, 00144 Roma, Italy;6. Institute of Prehistoric Archaeology, University of Cologne, Weyertal 125, 50931 Köln, Germany;7. Department of Physics, University of Turin and INFN Turin Division, Via Pietro Giuria 1, 10125 Torino, Italy;8. Italian National Research Council, Institute of Heritage Sciences, A.d.R. RM1, Via Salaria km 29.300, 00015 Montelibretti, Roma, Italy;9. Department of Historical studies, University of Turin, Via Sant’Ottavio 20, 10124 Torino, Italy |
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| Abstract: | Mineral phase analysis of ancient ceramics carried out by neutron diffraction yields complementary information to X-ray diffraction analysis. Since neutrons are highly penetrating, neutron diffraction in general allows non-destructive investigations of bulk samples rather than of surface layers or powdered material. This means complete, intact specimens can be studied. A time-of-flight (TOF) neutron diffractometer offers additional advantages considering experimental set-up, accommodation of large objects and data collection times. First test measurements with respect to archaeometric applications have been performed on different fragments of medieval Rhenish pottery using the TOF neutron diffractometer ROTAX at the spallation source ISIS, U.K. Phase fractions obtained from a Rhenish stoneware jar fragment compare well with those from a powder sample prepared from the same fragment. This finding indicates that reliable results can be obtained by illuminating a large piece or even a complete ceramic object without causing damage. |
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